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Slash your heating bills with effective insulation that will reduce your energy demand.

Loft Insulation
Loft Insulation

Usually easy to install insulation that prevents heat from escaping through the roof.

Cavity wall insulation
Cavity Wall Insulation

Fills the gaps between wall cavities to help keep your home warmer.

room in roof insulation
Room in roof insulation

Insulation in your converted roof space creates a blanket effect to trap heat within the home.

underfloor-insulation
Underfloor insulation

Can be installed in properties that have a suspended floor or a cavity underneath

Internal wall insulation
Internal wall insulation

Provides an option for properties that do not have any wall cavities by adding insulation to internal walls

External wall insulation
External wall insulation

A useful option for solid walled properties unable to benefit from cavity wall insulation

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Reduce your energy bills

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Minimises heat loss

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Decreases your carbon footprint

prevent-condensation

Prevent condensation build-up

improve-efficiency

Improves energy efficiency

improve-health

Can improve health for asthma

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Effective 20% Insulation Discount With No VAT to Pay. Helping the UK Achieve Net Zero Emissions by 2050.
Floor insulation

Insulation For The Nation

Take advantage of the grant funding available to help British households boost their home’s energy efficiency. With Great British Insulation Scheme grants targeting some of the most energy inefficient homes, and those in the lowest council tax band properties, support is available for those not benefiting from current ECO measures. See how insulation could transform your own energy usage and Energy Performance Certificate (EPC) rating – request your free no obligation quotes today!
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Insulation is one of the most straightforward ways of reducing your heating bills. With effective insulation you can minimise heating loss, whether you insulate your loft and roof space, walls, or underfloors. Connect with the UK’s best installers and take control of your energy bills.

Slash Your Energy Bills in 2024

Discover how much you could save with home insulation
Get an indication of how much you could save on annual energy bills when you insulate different parts of your home.

Example annual energy bills savings after insulating your home with one of the different types of home insulation

Insulation type

Detached house

Semi-detached house

Mid-terrace house

Detached Bungalow

Loft insulation

£370

£225

£200

£360

Cavity wall insulation

£405

£235

£140

£175

Solid wall insulation

£550

£315

£185

£240

Underfloor insulation

£110

£70

£45

£120

Source: Energy Saving Trust based on April 2024 fuel price figures. Savings will vary according to your location and previous level of insulation. 

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Pay 0% VAT On Your Insulation Installation

Government incentives make installations more affordable with 0% VAT applicable on energy-saving measures including insulation.
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Save Money

Effective home insulation can drastically reduce heat loss and your heating bills. It’s one of the most cost-effective ways to maximise your savings.
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Carbon Footprint Reduction

Insulation has a positive impact on the environment by reducing emissions from households that might otherwise have been overly reliant on fossil fuels to heat their home.
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Improved Home Comfort

Better insulation means a more comfortable home. Ensuring as much heat is retained in the home means comfort without having to run up the bills.
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Local Installers,
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Switchable partners with hundreds of fully approved insulation installers throughout the UK. We only work with the best in your area.

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Insulate with trusted brands and products with proven performance – tailored exactly to your needs.

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Join thousands of happy customers

Peter Bayliss
Peter Bayliss
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I had Solar panels and battery installed in May. The whole installation process went smoothly and quickly. The install team explained everything very carefully and were really nice and friendly. First class professional service.
Emma Crook
Emma Crook
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great company had anthony come to see me he couldn’t do enough solar and battery have been a life saver very happy
Mrs Flex
Mrs Flex
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Invested in solar and battery with the ever increasing energy bills had a visit and had install 2 weeks later couldn't fault them all working great!
Rebecca Lewis
Rebecca Lewis
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Great install. Very happy
David Wilson
David Wilson
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Very helpful. Great customer service
Charlotte Sharpe
Charlotte Sharpe
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Great service & team!
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Insulation FAQs

Insulation is one of the easiest ways to save on your bills. At its most basic, if you have a loft space, you should look to insulate it, or at least upgrade your level of loft insulation to the recommended levels. With an estimated 25% of heat loss in the home thought to be through an uninsulated loft or roof space, the difference can be considerable.

Insulating walls and floors is also important as walls can account for as much as 35% of heat loss and almost 15% can be lost through the floor. Bringing your insulation up to standard results in bill savings, improved comfort, and minimises issues with damp for many years to come. Insulation will improve the Energy Performance Certificate of your home and can even have a positive impact on property prices.

There are a number of routes to securing insulation grants, including via ECO4 and the Great British Insulation Scheme (GBIS).  You could be eligible if you receive one of a number of government benefits and you live in a low energy efficient household (with an Energy Performance Certificate rating of D or below). Alternatively, you could qualify for an insulation grant if you live in a low EPC rated home and your property is in a council tax band A to D (A to E for Scotland and Wales).

For some households, such as where loft insulation is installed, it is possible that the grant will cover the full cost. Loft insulation is usually the less costly option and the most likely to be installed with grant as this ensures that as many households as possible are helped with improving their home energy efficiency.

It is possible that the funding can be used towards other types of insulation such as cavity wall insulation, underfloor insulation, solid wall insulation, room in roof insulation. As these are generally more expensive insulation types, it is likely that your grant will not cover the full cost, so you will be required to make a contribution towards the cost. The actual amount you will have to pay will be outlined from the outset.

Insulation will have an immediate impact on how much you are spending to heat your home and these savings will quickly add up. Opt for loft insulation and the resulting savings could pay back within 1-2 years of your investment. Solid wall insulation is much more expensive and it could take over 10 years before your savings will eventually cover the cost of your insulation. With insulation usually lasting at least 40 years, these savings will continue for many years beyond the initial payback.

Domestic insulation installs are VAT free as part of a government incentive to encourage more households to adopt energy efficiency measures. The 0% VAT applies to a range  of energy efficiency measures and is due to run until the end of March 2027 and is applicable in England, Scotland and Wales. Different rates and rules apply in Northern Ireland.

Insulation is highly beneficial to the environment and contributes to a reduction in carbon emissions from UK households. Here’s how many kilograms of CO2 emissions you could save each year (kgCO2/year) based on some of the different types of insulation:

 

Insulation typeDetached houseSemi-detached houseMid-terrace houseDetached  Bungalow
Loft insulation (up to 270mm)10006205601000
Cavity wall insulation1100650385485
Solid wall insulation1500880520660
Underfloor insulation310190125330

Source:Energy Saving Trust

Professionally installed insulation should last for many years. Loft insulation is expected to last around 40 years, while other types of insulation products can last considerably longer. The performance and longevity of your insulation will be affected by a number of factors including the quality of the installation, issues with leaks or moisture, whether the insulation is compacted by items placed upon it, plus the presence of any pests that could damage the insulation.

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