External Wall Insulation

EXTERNAL WALL
INSULATION

Under the official Government backed ECO4 scheme, you can get FREE home energy improvements!

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You may still be eligible for 100% FREE heating improvements funded by the UK Government

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Are you eligible?

To qualify for a new boiler you must be a homeowner with a qualifying benefit from those listed below. For all other measures privately rented properties with a qualifying benefit meet the qualification criteria.

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Please Note

As a private tenant with this type of heating source there are some restrictions (e.g. the scheme does not allow for a replacement boiler) however there are measures we can install to help improve your home"s energy efficiency (e.g. insulation).

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As a social housing tenant you are entitled to a grant, please confirm you can provide contact details for your social housing provider, as they will be required to agree to any works.

Unfortunately you are not eligible for a free heating grant.Thank you for enquiring.

The Benefits of External Wall Insulation

Installing external wall insulation (also known as solid wall insulation) in your home can lead to substantial savings of up to £660 a year on energy bills and significantly reduce household carbon emissions. With external wall insulation, you can cut down heat loss by approximately 35%, contributing to a more energy-efficient and environmentally friendly home.

Understanding the Costs and Savings

External wall insulation generally costs between £7,000 and £15,000, depending on the type and size of your home. However, you could be eligible for external wall insulation grants through the ECO (Energy Company Obligation) scheme, making this investment more affordable.

Below are the estimated annual savings you could enjoy by having external wall insulation installed, according to the Energy Saving Trust (based on fuel prices as of January 2024):

Detached house: £660 a year
Semi-detached house: £380 a year
Bungalow: £285 a year

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Who Can Qualify for External Wall Insulation Grants?

Under the ECO 4 scheme, low-income households (with an annual income of £31,000 or less) or those receiving specific government benefits can qualify for free grants. Homeowners and some private tenants can be eligible for these grants in 2024.

Qualifying Benefits Include:

Income-based Jobseekers Allowance (JSA)
Income-related Employment & Support Allowance (ESA)
Income Support (IS)
Pension Credit Guarantee Credit
Working Tax Credit (WTC)
Child Tax Credits (CTC)
Universal Credit (UC)
Housing Benefit (new eligible benefit under ECO4)
Pension Credit Savings Credit (new eligible benefit under ECO4)

If you part-own your home with a Housing Association, as long as you own at least 50%, you could still be eligible for a grant. If you are a Council or Housing Association tenant, you should speak to them directly or contact the Energy Saving Trust for assistance.

The Great British Insulation Scheme (GBIS) also provides funding for households with low energy efficiency (EPC rating of D or below) and in the lowest Council Tax bands (A-D in England and A-E in Scotland and Wales).

What is External Wall Insulation?

External wall insulation involves installing a layer of insulating material (typically 60mm boards) to the solid outside walls, which is then covered with render or cladding. This method is an alternative to internal solid wall insulation, which is installed inside the property.

*Savings estimated on insulating a gas-heated home based on fuel prices in January 2024 (Source: Energy Saving Trust).

Is Your Property Suitable for External Wall Insulation?

Your home must meet the following criteria to be eligible for external wall insulation:

Made of solid brick, stone, or concrete (not timber-frame).
Structurally sound walls that are not in need of repairs.
Not a listed building or located in a conservation area/world heritage site.
No signs of dampness in the walls.
Good access to the outer walls.
No cavity walls that are already filled or can be filled.

Check with your local council whether you will need planning permission to have external wall insulation fitted. It is unlikely that permission will be given if the property is a listed building or in a conservation area/world heritage site. If denied planning permission, consider internal wall insulation as an alternative.

Distinguishing Solid Walls from Cavity Walls: Key Features and Measurement Tips

Solid walls have square brick ends and an alternating pattern, with some bricks laid across the wall so you can see the smaller ends from the outside. Cavity walls have an even pattern with bricks organized lengthways. Solid walls do not have gaps and cannot be filled with cavity wall insulation, while cavity walls consist of two layers with a small gap between them.

Another indicator of solid walls is measuring the thickness next to doors or windows. Solid walls tend to be less than 10 inches thick, whereas cavity walls are generally more than 10 inches thick.