Grants & Schemes
A squeeze on household budgets has increasingly led people to look for ways to save energy and reduce their bills. With gas and electricity prices
September 3, 2025 No Comments
Funding Available from GOV.UK
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There are a range of external wall insulation finishes you can choose from such as smooth, textured, tiled, painted, or brick/stone effects. External wall insulation gives a weatherproof layer that will protect your brickwork, increase sound resistance, and help to prevent issues with dampness.
This type of insulation not only enhances your home’s energy efficiency but also improves weatherproofing, reduces heat loss by up to 35%, and adds an additional layer of protection to your property.
There are various types of insulation available to meet the energy efficiency needs of any home.
Cavity Wall Insulation
Installed within the gaps in your walls to improve energy efficiency.
Party Wall Insulation
Insulating internal walls between rooms for better energy retention.
Installing external wall insulation offers numerous benefits that go beyond just energy savings.
Installing external wall insulation can significantly reduce thermal loss from your home, leading to lower energy bills. The insulation material helps your home achieve a better energy performance (EPC) certificate rating.
External wall insulation reduces draughts, making your home warmer and more comfortable. It also provides added weatherproofing and sound resistance, protecting both your brickwork and the interior of your home to avoid issues with moisture and damp.
By installing external wall insulation, you not only extend the lifespan of outer walls but also contribute to lowering household carbon emissions. This is especially beneficial for older, non-traditional homes in need of refurbishment.
Installing external wall insulation can lead to substantial reductions in energy bills and significantly lower the CO2 emissions from a household.
| Property type | Energy bill savings (£/year) | Carbon dioxide savings (kgCo2/year) |
| Detached house | £550 | 1,500kg |
| Semi-detached house | £330 | 900kg |
| Mid-terrace house | £200 | 500kg |
| Detached bungalow | £250 | 650kg |
| Mid-floor flat | £160 | 410kg |
*Savings estimated on insulating a gas-heated home based on fuel prices as of July 2025. (Source: Energy Saving Trust)
Choosing the right partner for your insulation needs ensures that you maximise your savings and get the best possible service. Here’s why we stand out:
Discover how our external wall insulation services have made a difference for homeowners.
Common questions about external or solid wall insulation are answered for you
The insulation normally improves the look of a property and boosts its overall value. Also, there are several different finishes to choose from that can ensure the appearance of your home is not negatively affected.
Yes. A large majority of solid wall insulation systems are manufactured and independently audited in accordance with ISO 14001 Environmental Management Standard. External wall insulation systems include materials that are free from CFC and HCFC.
The duration of external wall insulation installation depends largely on the size and complexity of the property. For a standard home, the process usually takes up to one full week. However, larger or more intricate properties may require additional time to ensure proper installation.
Free external wall insulation grants, including government support for rendering, are just some of the many options available to homeowners seeking energy efficiency improvements. These other insulation services include cavity, internal, spray foam, underfloor, and roof or loft protection.
In accordance with Building Regulations, if 25% or more of a wall is going to be insulated externally, it is normally necessary to ensure the entire wall is up to current standards. The thermal performance of the wall that is insulated needs to have a U value of no more than 0.30. Your approved installer will ensure that all work carried out meets the necessary building regulations.
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