Electric Boiler Installation & Costs

Electric Boiler Installation

Clean, Compact Heating for Flats, Smaller Homes and Properties Without Mains Gas

An electric boiler installation can provide central heating and hot water without requiring a gas supply, oil storage tank or combustion flue.

Electric boilers are compact, quiet and can be installed in places where a gas or oil boiler may be impractical. This can make them particularly useful for flats, small houses, extensions, converted buildings and properties without access to mains gas.

However, an electric boiler is not automatically the right solution for every home.

The boiler must be correctly sized for the property, the electrical supply must be able to support the required load and the heating system must be designed around the boiler’s available output.

Hot-water demand must also be carefully assessed. A small electric combi boiler may work well in a compact flat with one shower, but it may be unsuitable for a larger family home where several taps and bathrooms are used at the same time.

A successful electric boiler installation should therefore begin with a proper assessment of the property, heating requirements, electrical capacity, hot-water demand and likely running costs.

APN Boilers helps homeowners find experienced heating and electrical professionals who can assess the complete installation and recommend a system that is appropriate for the home.

Why Install an Electric Boiler?

Homeowners consider electric boilers for many different reasons.

The property may not be connected to mains gas, or the homeowner may want to remove an existing gas appliance. An electric boiler may also be easier to position in a flat or internal cupboard because it does not require a combustion flue.

Common reasons to install an electric boiler include:

The property has no mains gas supply.
Installing a gas supply would be too expensive.
There is no suitable position for a gas boiler flue.
The property is a small flat or apartment.
The existing electric heating system is being upgraded.
Storage heaters are being replaced with wet central heating.
A separate annex or extension needs heating.
An old gas boiler is being removed.
The property has limited internal space.
The homeowner wants a quiet heating appliance.
Oil or LPG storage is not practical.
A compact heating system is required.
The boiler needs to be installed away from an external wall.

Electric boilers can solve some of the practical problems associated with gas and oil heating, but the decision should not be based on convenience alone.

The electrical demand, running costs and heating output must all be considered before the system is selected.

How Does an Electric Boiler Work?

An electric boiler uses electricity to heat water that circulates through radiators, underfloor heating or a hot-water cylinder.

In many ways, the rest of the heating system operates in a similar manner to a conventional wet central-heating system.

The installation may include:

An electric boiler.
Heating flow and return pipes.
Radiators.
Underfloor heating.
A circulating pump.
An expansion vessel.
Heating controls.
A room thermostat.
Thermostatic radiator valves.
A hot-water cylinder.
Motorised valves.
Electrical isolation and protection.
System cleaning and water treatment.

Unlike a gas or oil boiler, an electric boiler does not burn fuel within the appliance.

This means it does not normally require:

A gas supply pipe.
An oil storage tank.
An oil fuel line.
A combustion flue.
A condensate pipe.
Combustion ventilation.
Carbon-monoxide production from the boiler itself.

This can simplify the installation and allow greater freedom when choosing the boiler position.

However, the lack of a flue does not mean the installation is automatically simple. The property’s electrical system must be capable of supporting the boiler, and significant electrical upgrading may be necessary.

Is an Electric Boiler Suitable for Every Home?

Electric boilers can work very well in the right property.

They are generally most suitable for:

Flats and apartments.
Smaller houses.
Homes with modest heating requirements.
Well-insulated properties.
Annexes and garden accommodation.
Properties without mains gas.
Homes where a flue cannot easily be installed.
Households with moderate hot-water demand.
Properties with solar panels and suitable energy management.
Buildings where the homeowner wants to retain wet radiators.

An electric boiler may be less suitable for:

Large detached houses.
Poorly insulated properties.
Homes with several bathrooms.
Households with very high hot-water demand.
Properties with a limited electrical supply.
Homes where heating runs continuously for long periods.
Buildings where the electricity tariff makes running costs excessive.

The boiler should not be selected simply because it is small or inexpensive to install.

A property that requires a large amount of heat may need an electrical supply upgrade, a three-phase supply or an alternative heating system.

The running cost must also be considered. Electric boilers can convert electricity into heat very efficiently at the appliance, but electricity commonly costs more per unit than mains gas.

This means a highly efficient electric boiler can still cost more to run than a modern gas boiler in a larger or poorly insulated home.

Electric Boiler or Heat Pump?

An electric boiler and a heat pump both use electricity, but they work in very different ways.

An electric boiler creates heat directly using electrical resistance. In simple terms, one unit of electricity produces approximately one unit of heat within the appliance.

A heat pump moves heat from the outside air or ground into the home. Under suitable conditions, it can deliver several units of heat for each unit of electricity consumed.

This can make a heat pump less expensive to operate than a direct electric boiler, particularly in a well-insulated home with appropriately sized radiators or underfloor heating.

However, heat pumps generally require:

External equipment.
More space.
More detailed design.
Lower heating flow temperatures.
Larger radiators in some homes.
A greater initial investment.
Careful assessment of noise and positioning.
A suitable location for the external unit.

An electric boiler may be easier to install where external space is limited, particularly in a flat or listed building.

The correct choice depends on the property, available budget, heat loss, electrical supply and long-term running costs.

Types of Electric Boiler

Electric boilers are available in several different arrangements.

Electric Heat-Only Boilers

An electric heat-only boiler provides heat for the central-heating system and normally works with a separate hot-water cylinder.

This arrangement may be suitable for:

Homes with more than one bathroom.
Properties that need stored hot water.
Households with higher hot-water demand.
Homes already fitted with a suitable cylinder.
Systems using several heating zones.
Properties where hot water is required at several outlets simultaneously.

The boiler heats the water within the cylinder, which then provides stored hot water to the taps and showers.

The cylinder must be correctly sized for the household.

Electric System Boilers

An electric system boiler may incorporate components such as the circulating pump and expansion vessel within the appliance or installation package.

It still normally works with a separate hot-water cylinder.

This can provide a neat installation while retaining the benefits of stored hot water.

Electric Combi Boilers

An electric combi boiler provides central heating and hot water from one appliance or combined unit.

It does not normally require a separate conventional hot-water cylinder.

An electric combi boiler installation may be suitable for:

A studio flat.
A one-bedroom flat.
A compact two-bedroom home.
A small office.
An annex.
A property with one bathroom.
A household with relatively low hot-water demand.

Electric combi boilers can be attractive because they are compact and avoid the need for a cylinder.

However, their hot-water performance must be examined carefully.

Heating water instantly requires a substantial amount of power. A domestic electrical supply may not be able to support the same hot-water flow that a high-output gas combi boiler can provide.

An electric combi boiler may therefore provide a lower flow rate, particularly in winter when the incoming mains water is colder.

Electric Combi Boiler Installation

An electric combi boiler installation can be a practical solution where space is limited and the property has modest heating and hot-water requirements.

The installation may remove the need for:

A gas connection.
A boiler flue.
A hot-water cylinder.
A cold-water storage tank.
An oil tank.
A separate fuel supply.

This can be particularly helpful in flats where installing a new flue through an external wall would require freeholder consent or affect the appearance of the building.

An electric combi boiler may also fit within a kitchen cupboard or utility area, depending on the appliance dimensions and manufacturer’s access requirements.

Before recommending an electric combi, the installer should establish:

The number of occupants.
The number of bathrooms.
The expected shower use.
The incoming water pressure.
The incoming water flow.
The temperature rise required.
The boiler’s hot-water output.
The available electrical supply.
Whether heating and hot water will be required simultaneously.
Whether the property may be extended in the future.

A low-output appliance may provide adequate hot water for a basin tap but struggle to provide a strong shower.

The homeowner should understand the expected flow rate before the boiler is ordered.

Instantaneous Hot Water or Stored Hot Water?

One of the most important decisions is whether the property should use instantaneous or stored hot water.

Instantaneous Hot Water

An electric combi heats water as it is required.

The advantages may include:

No separate cylinder.
Reduced storage-space requirements.
No standing heat loss from a cylinder.
Hot water is not limited to the amount stored.
A compact overall system.

The limitations may include:

Lower hot-water flow.
High electrical demand.
Reduced performance when several outlets are used.
Difficulty supplying large baths quickly.
Limitations within larger households.

Stored Hot Water

An electric boiler can heat a separate cylinder, or the property may use immersion heaters within the cylinder.

The benefits may include:

Better support for several outlets.
A larger supply of hot water.
Improved performance for baths and showers.
The ability to heat water during off-peak electricity periods.
Compatibility with solar thermal or other heat sources.
Greater flexibility for larger homes.

The limitations include:

Space is required for the cylinder.
Hot water is limited to the stored volume.
The cylinder has some standing heat loss.
More components are required.

For many family homes, an electric boiler with a properly sized cylinder may provide a better experience than an electric combi.

Correct Electric Boiler Sizing

Electric boiler size should be based on the heat loss of the property rather than the number of bedrooms alone.

The assessment should consider:

The floor area.
Wall construction.
Roof and floor insulation.
Window sizes.
Glazing performance.
Air leakage and draughts.
Ceiling heights.
Exposed walls.
The number and size of radiators.
Underfloor-heating requirements.
Local winter temperatures.
Hot-water demand.
Future extensions.
Planned insulation improvements.

A compact modern flat may only require a relatively small boiler.

An older detached property with solid walls and large rooms could require considerably more heat than a standard domestic electrical supply can comfortably provide.

Oversizing should also be avoided.

A boiler that is much larger than required may increase electrical demand unnecessarily and require more extensive supply upgrades.

The installer should calculate the heating requirement and select an appliance that can operate effectively within the available electrical capacity.

The Electrical Supply Is Critical

The electrical supply is one of the most important parts of an electric boiler installation.

A small electric boiler can draw substantially more power than an ordinary household appliance.

The installer and electrician may need to check:

The incoming electricity supply.
The main service fuse.
The consumer unit.
Available spare capacity.
Existing high-load appliances.
Electric showers.
Electric vehicle chargers.
Electric cookers and hobs.
Immersion heaters.
Solar panels.
Battery storage.
The required cable size.
The route of the new electrical circuit.
Earthing and bonding.
Isolation arrangements.
Protective devices.
Whether load management is needed.
Whether the electricity network operator must be consulted.

A property may already have several large electrical loads.

For example, the home may have an electric shower, induction hob, electric vehicle charger and immersion heater. Adding a high-output electric boiler without assessing the total demand could overload the supply.

The boiler should normally have a dedicated electrical circuit with correctly selected protection and isolation.

This work must be designed and installed by someone competent to undertake the electrical installation.

Will the Property Need a Supply Upgrade?

Some electric boiler installations can operate using the existing domestic electrical supply.

Others may require an upgrade.

The need for an upgrade depends on:

Boiler output.
Main fuse rating.
Other electrical loads.
Cable capacity.
Consumer-unit capacity.
The condition of the existing electrical installation.
Whether the property has a single-phase or three-phase supply.
The diversity and timing of appliance use.

A larger electric boiler may not be suitable for a standard single-phase residential supply.

In some cases, the homeowner may need:

A larger main fuse.
A new meter arrangement.
A consumer-unit upgrade.
A dedicated high-capacity cable.
Load-limiting equipment.
Three-phase electricity.
Approval or alterations by the electricity network operator.

These costs should be identified before the boiler is purchased.

A low appliance price can become misleading if substantial electrical infrastructure work is needed.

Single-Phase and Three-Phase Electric Boilers

Most UK homes have a single-phase electricity supply.

Smaller electric boilers are commonly designed to operate on this type of supply, although the available output will still depend on the property’s electrical capacity.

Larger boilers may require three-phase electricity.

Three-phase supplies are more common in:

Commercial buildings.
Larger properties.
Converted industrial buildings.
Farms.
Workshops.
Blocks of flats.
Properties with substantial electrical equipment.

Installing or upgrading to a three-phase supply can involve additional cost and coordination with the electricity network operator.

The supply arrangement should therefore be confirmed at the beginning of the project.

Electric Boiler Installation Cost

The electric boiler installation cost depends on the boiler type, required output, electrical work and the condition of the existing heating system.

As a broad guide, a straightforward installation using existing radiators and suitable electrical capacity may cost approximately £1,500 to £3,500.

The cost may rise to £4,000 or more where the work includes:

A larger boiler.
A new hot-water cylinder.
Significant electrical upgrades.
A new dedicated cable.
A consumer-unit replacement.
A supply upgrade.
New radiators.
New heating pipework.
Removal of an old gas boiler.
Removal of storage heaters.
New heating controls.
Extensive making good.
A complete new wet central-heating system.

The appliance itself may represent only part of the complete installation price.

Homeowners should also consider the ongoing running cost, not merely the initial installation cost.

What Affects Electric Boiler Installation Cost?

The principal cost factors include:

Boiler Type

An electric heat-only boiler may cost less than a larger electric combi or packaged electric heating unit.

Boiler Output

Higher-output boilers may cost more and require larger cables, stronger electrical protection and supply upgrades.

Existing Heating System

Connecting to serviceable radiators and pipework is normally less expensive than creating a completely new heating system.

Electrical Upgrades

The installation may require:

A dedicated cable.
New isolation.
Consumer-unit alterations.
Earthing upgrades.
A larger main fuse.
Network operator involvement.
Three-phase electricity.

Hot-Water Cylinder

A new cylinder can increase the cost, particularly where the installation includes an unvented cylinder, controls and extensive pipework alterations.

Boiler Relocation

Moving the boiler may require new heating pipes, electrical circuits and wall or floor alterations.

Removal of the Existing System

Removing a gas boiler, flue, cylinder, storage heaters or redundant pipework can add labour and disposal costs.

Heating Controls

Smart controls, multiple heating zones and individual room controls can increase the initial price but may provide better management of energy use.

Electric Combi Boiler Installation Cost

The electric combi boiler installation cost will depend on the boiler output, electrical capacity and hot-water arrangement.

A straightforward electric combi installation in a small property may cost approximately £1,800 to £3,500 where:

The existing electrical supply is suitable.
The boiler is installed close to existing services.
The heating pipes are in reasonable condition.
No major consumer-unit work is needed.
Only one bathroom requires hot water.
The system uses standard controls.

The price can rise where:

The boiler requires a larger electrical supply.
A long dedicated cable is required.
The consumer unit must be upgraded.
Existing radiators need replacing.
New heating pipes are required.
The boiler is being relocated.
A gas appliance and flue must be removed.
Water flow or pressure problems need to be addressed.
A more advanced stored-water or hybrid arrangement is selected.

The installer should explain the expected hot-water flow as well as the price.

A cheaper electric combi that cannot provide the shower performance the homeowner expects is not good value.

Installation Costs for a New Wet Heating System

Some homeowners choose an electric boiler because they want to replace storage heaters or panel heaters with radiators.

This requires more than a boiler installation.

A complete wet central-heating system may include:

The electric boiler.
Heating pipes.
Radiators.
Radiator valves.
A circulating pump.
Expansion equipment.
Heating controls.
Electrical supplies.
A hot-water cylinder.
Floor and wall alterations.
System filling and commissioning.

The cost will depend on the size and layout of the property.

Installing pipework in an empty property during a refurbishment is normally easier than working in a fully decorated and occupied home.

The heating design should be coordinated with any proposed extension, new flooring, kitchen installation or internal remodelling.

Electric Boiler Running Costs

Installation cost is only one part of the decision.

The homeowner should also estimate the likely running cost.

Electric boilers are highly efficient at converting electricity into heat at the appliance. There is no combustion flue through which a substantial amount of heat can escape.

However, electricity usually costs more per unit than mains gas.

This means an electric boiler can be inexpensive to install but relatively expensive to run in a larger home.

The actual running cost will depend on:

The property’s heat loss.
The electricity tariff.
Heating hours.
Desired room temperatures.
Hot-water use.
Insulation.
Heating controls.
The number of occupants.
Solar generation.
Battery storage.
Off-peak tariffs.
Whether different rooms are zoned.

A small, well-insulated flat may have manageable running costs because it requires relatively little heat.

A large, poorly insulated house may consume a substantial amount of electricity during cold weather.

The installer should not recommend an electric boiler without discussing this issue honestly.

Can Solar Panels Reduce Electric Boiler Costs?

Solar panels can contribute electricity towards the operation of an electric boiler, but they should not be treated as a complete solution to winter heating costs.

The greatest heating demand normally occurs during the colder and darker months when solar generation is lower.

Solar electricity may still help by:

Contributing to daytime heating.
Heating a hot-water cylinder.
Charging a battery.
Supporting other household electrical loads.
Reducing imported electricity during sunnier periods.

Battery storage may allow some solar electricity to be used later in the day, but the battery capacity must be considered against the relatively high demand of an electric boiler.

An energy-management system can help decide whether available solar electricity should be used for:

Space heating.
Hot water.
Battery charging.
An electric vehicle.
General household use.

The complete energy strategy should be designed around the property rather than assuming solar panels will make all electric heating inexpensive.

Off-Peak Electricity and Hot-Water Storage

Properties with suitable electricity tariffs may be able to heat stored hot water during lower-cost periods.

This can make a cylinder-based system attractive.

The system may use:

The electric boiler.
An immersion heater.
A thermal store.
A hot-water cylinder.
Smart tariff controls.
Timed heating periods.

The homeowner should review:

The tariff structure.
The available off-peak hours.
The cylinder size.
The household’s hot-water use.
Standing heat losses.
Whether daytime reheating will be required.

A system designed around an outdated tariff may not remain economical if the electricity pricing arrangement changes.

Heating Controls

Good controls are particularly important with electric heating because unnecessary heating can quickly increase electricity consumption.

A basic system may include:

A programmable timer.
A room thermostat.
Thermostatic radiator valves.
A cylinder thermostat.
Separate hot-water timing.
Frost protection.

More advanced controls may provide:

Mobile app access.
Individual room control.
Multiple heating zones.
Weekly schedules.
Holiday settings.
Occupancy detection.
Open-window detection.
Energy-use monitoring.
Tariff-based heating.
Solar and battery integration.
Load management.

Zoning can be particularly useful in larger or intermittently occupied properties.

For example, a homeowner may wish to heat the living space during the evening without heating bedrooms or unused rooms to the same temperature.

The controls should be straightforward enough for the household to use correctly.

Radiators and Flow Temperatures

An electric boiler can work with conventional radiators, but the radiators must be suitably sized.

The installer should inspect:

Radiator dimensions.
Room heat requirements.
Existing valve condition.
Heating pipe sizes.
Circulation.
Balancing.
Insulation.
The proposed heating flow temperature.

Increasing the boiler output will not correct undersized radiators.

If the system is being designed to operate at lower flow temperatures, larger radiators may be required.

The homeowner may also wish to consider improving the insulation before installing the new heating system.

Reducing the heat loss can:

Lower the required boiler output.
Reduce electrical demand.
Lower running costs.
Improve room comfort.
Allow smaller or lower-temperature radiators.
Reduce the frequency with which the boiler operates.

Underfloor Heating

Electric boilers can be used with wet underfloor heating.

This may be suitable for:

New extensions.
Kitchen and dining areas.
Well-insulated new homes.
Ground-floor refurbishments.
Properties with limited wall space for radiators.

Underfloor heating normally operates at a lower water temperature than conventional radiators.

The system may require:

A manifold.
Separate pumps.
Mixing controls.
Individual room thermostats.
Heating zones.
Carefully designed pipe loops.
Suitable floor construction.
Insulation beneath the system.

The electric boiler must be sized for the combined heating load.

Wet underfloor heating should not be confused with direct electric underfloor heating, which uses electrical cables or mats within the floor and does not require a boiler.

Boiler Location

Electric boilers offer greater flexibility because they do not require a combustion flue.

Possible locations include:

A kitchen cupboard.
A utility room.
An airing cupboard.
A hallway cupboard.
A garage.
A plant room.
A suitable internal service area.

The proposed position must still provide:

Access for maintenance.
Manufacturer-required clearances.
Suitable wall or floor support.
Heating pipe connections.
Water connections where applicable.
A safe electrical supply.
Isolation.
Protection from water damage.
Frost protection where necessary.
Appropriate separation from baths and showers.

The boiler should not be concealed in a way that prevents future access.

A neat installation today should not create a major repair problem later.

Electric Boilers in Flats

Electric boilers can be particularly useful in flats.

Potential advantages include:

No external boiler flue.
No gas pipe.
No oil tank.
Compact dimensions.
Quiet operation.
Flexible internal siting.
No combustion gases.
Reduced external alterations.
Suitability for small heating loads.

However, flats can present other considerations:

The capacity of the electrical supply.
Shared intake arrangements.
Freeholder consent.
Lease restrictions.
Meter capacity.
Consumer-unit location.
Cable routes through communal areas.
Hot-water flow.
Noise from pumps.
Access for maintenance.
Fire-stopping around service penetrations.

The homeowner may need permission before altering electrical supplies, communal services or parts of the building controlled by the freeholder.

These matters should be checked before installation work begins.

Electric Boilers for Extensions and Annexes

An electric boiler may be suitable for a self-contained extension, annex or garden building where extending the existing gas heating system is difficult.

It may provide:

Independent heating control.
A separate heating zone.
Hot water for a small shower room or kitchen.
A compact internal installation.
No new gas pipe.
No oil storage.
Simple connection to wet underfloor heating.

The electrician must still confirm that the main property supply can support the additional load.

A new electric boiler, electric vehicle charger and induction hob may create substantial combined demand.

The project should be assessed as part of the complete electrical installation.

Replacing a Gas Boiler With an Electric Boiler

Some homeowners consider removing an existing gas boiler and installing an electric boiler.

This may avoid future gas-boiler servicing and remove the need for a flue.

However, the change should be carefully assessed.

The work may involve:

Removing the gas boiler.
Safely disconnecting the gas supply.
Removing or sealing the flue.
Installing a new electrical circuit.
Upgrading the consumer unit.
Altering heating pipework.
Changing the hot-water system.
Installing a cylinder.
Upgrading the electricity supply.
Making good walls and cupboards.

The running costs may also be higher than the existing gas system, particularly in a larger home.

The homeowner should compare:

Installation cost.
Future energy cost.
Boiler lifespan.
Maintenance requirements.
Available space.
Electrical upgrades.
Heat-pump alternatives.
Insulation improvements.

The decision should be based on the complete heating strategy rather than a desire to remove the gas appliance alone.

Who Can Install an Electric Boiler?

An electric boiler installation involves both heating and electrical work.

The installer must understand:

Wet central-heating systems.
Boiler sizing.
Radiator design.
Hot-water cylinders.
Heating controls.
System cleaning.
Electrical loading.
Cable sizing.
Circuit protection.
Isolation.
Earthing and bonding.
Commissioning.

A heating engineer may complete the water and heating work, while a suitably qualified electrician completes or certifies the electrical installation.

Some installers are qualified to coordinate both elements.

The homeowner should confirm:

Who is responsible for the heating design.
Who is completing the electrical work.
Who checks the incoming supply.
Who contacts the electricity network operator if required.
Who installs the controls.
Who commissions the system.
What certificates will be provided.
Who registers the boiler warranty.

A general plumber should not undertake high-load electrical work unless appropriately qualified and competent to do so.

Electrical Certification and Building Regulations

Electrical work associated with an electric boiler must comply with the applicable electrical safety and Building Regulations requirements.

The installation may include:

A new dedicated circuit.
Consumer-unit alterations.
A high-load isolation switch.
New protective devices.
Earthing or bonding improvements.
Electrical testing.
Certification.
Building Regulations notification where applicable.

The exact requirements depend on the location of the work and the electrical installation.

The homeowner should retain:

The electrical installation certificate.
Boiler commissioning documents.
Manufacturer warranty confirmation.
Control instructions.
The boiler manual.
Any Building Regulations documents.
Details of system cleaning.
The final invoice and specification.

These documents may be important for future maintenance, warranty claims and property sales.

Commissioning the Electric Boiler

Commissioning should include more than switching on the appliance.

The installer should check:

Electrical safety.
Supply voltage.
Circuit protection.
Isolation.
Earthing.
Water pressure.
Heating circulation.
Pump operation.
System controls.
Thermostats.
Radiator balancing.
Hot-water operation.
Cylinder controls where fitted.
System leaks.
Boiler settings.
Fault protection.
The homeowner’s operating instructions.

The heating system should be filled, cleaned, treated and tested.

The installer should explain:

How to turn the heating on and off.
How to set heating periods.
How to adjust temperatures.
How to check system pressure.
How to operate the hot water.
What to do if a fault appears.
How to isolate the boiler.
When the system should be inspected or serviced.

Cleaning and Protecting the Heating System

An electric boiler can still be damaged by contaminated heating water.

The absence of combustion does not remove the need for a clean and properly treated system.

Older radiators and pipes may contain:

Rust.
Black sludge.
Scale.
Flux.
Installation debris.
Contaminated water.

The installation may require:

Chemical cleaning.
System flushing.
Cleaning individual radiators.
A magnetic filter.
Corrosion inhibitor.
Replacement radiator valves.
System balancing.
Water-quality testing.

A new electric boiler connected to dirty pipework may experience poor circulation, noise and premature component failure.

Electric Boiler Installation Near Me

A homeowner searching for electric boiler installation near me needs an installer who understands both wet heating systems and high-load electrical installations.

The nearest general plumber may not be the right person for the project.

A suitable installer should be able to assess:

The property’s heat loss.
Boiler output.
Radiator sizes.
Hot-water demand.
The electrical supply.
Main fuse capacity.
Consumer-unit capacity.
Existing high-load appliances.
Cable routes.
Heating controls.
Commissioning and certification.

A local installer may offer several advantages:

Easier property assessment.
Knowledge of local housing types.
Reduced travelling charges.
Faster access for follow-up work.
Local electrical and heating contacts.
More convenient servicing.

However, location should not be the only consideration.

A complicated electric boiler installation may require coordination between a heating designer, electrician and electricity network operator.

The most appropriate installer is the person or business with the right experience for the complete project.

What Should an Electric Boiler Quote Include?

A detailed quotation should identify:

The boiler manufacturer and model.
Boiler output.
Boiler warranty.
Boiler location.
Heating pipe alterations.
Hot-water arrangements.
Cylinder work.
Radiator work.
Heating controls.
Electrical circuit requirements.
Cable route and size.
Consumer-unit alterations.
Main-fuse or supply upgrades.
Electrical isolation.
System cleaning.
Magnetic filter.
Chemical inhibitor.
Removal of existing equipment.
Making good.
Commissioning.
Electrical testing and certification.
Warranty registration.
VAT.
Payment terms.
Exclusions.

Avoid accepting a quotation that simply states “supply and install electric boiler.”

The price may not include essential electrical work, controls, system cleaning or certification.

Questions to Ask an Electric Boiler Installer

Before accepting a quotation, ask:

Why have you recommended an electric boiler?
How was the required boiler output calculated?
Is the property suitable for direct electric heating?
What will the likely running costs be?
Is the existing electrical supply large enough?
Will the main fuse need upgrading?
Does the consumer unit need altering?
Is a dedicated electrical circuit included?
Will the electricity network operator need to be contacted?
Is single-phase electricity sufficient?
Is an electric combi suitable for our hot-water demand?
What hot-water flow should we expect?
Would a separate cylinder perform better?
Are the existing radiators suitable?
How will the heating system be cleaned?
What controls are included?
Who will undertake the electrical work?
What certificates will we receive?
Who will register the warranty?
What work is excluded from the quotation?

An experienced installer should explain the advantages and limitations of the proposed system before the homeowner commits to the installation.

Electric Boiler Installation Through APN Boilers

APN Boilers helps homeowners find experienced professionals for electric boiler installation, electric combi boilers and complete electric heating upgrades throughout the UK.

The APN network is supported by more than 40 years of experience in homes, heating design, building projects and property improvement.

Our approach considers the complete installation, including:

The size and construction of the property.
Heat-loss requirements.
Boiler type and output.
Electrical capacity.
Main fuse and consumer unit.
Existing high-load appliances.
Hot-water demand.
Electric combi performance.
Hot-water cylinder requirements.
Radiators and heating pipes.
Heating controls.
Solar panels and battery storage.
Future extensions and improvements.
Installation and running costs.
The homeowner’s budget.

Whether you need an electric boiler for a small flat, an electric combi boiler for an annex or a complete wet central-heating system for a property without mains gas, the project should begin with a proper assessment.

A carefully designed electric boiler installation can provide quiet, compact and dependable heating without a gas supply, oil tank or combustion flue.

The key is to ensure that the boiler suits the property, the electrical supply is adequate and the homeowner understands both the installation cost and likely running costs.

Tell APN Boilers about your property, the heating system you currently have and what you want the new installation to achieve. We will help connect you with an experienced heating professional who can assess the electrical supply, heating requirements and hot-water demand before recommending the right electric boiler installation for your home.

Tell Us What You Need

Book a Callback