Insulation - save up to £310* a year
- Insulation is a quick and easy way to save up to £310 on your energy bills.
- Compare the best loft and wall insulation deals below. Prices start from just £150 each, and in some cases it's even free.
- And did we mention it's quick? Loft insulation takes as little as 1-2 hours to install.
Compare insulation deals now
Just enter a few details to see the cheapest insulation available to you.
Why do we need to know?
If you receive benefits you could be eligible for free insulation and, in some cases, even cheque. Tell us which benefits you are on and we will show you the best deal available.
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E.ONE.ON is a leading energy provider, who can also insulate your home – even if you aren’t an E.ON customer, saving you up to £310* per year |
cavity wall insulation
from £150 |
loft insulation
from £150 |
FREE
for select people
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Insulation FAQs
How can insulation be free?
The government has set energy suppliers targets to make our homes more energy efficient. This means some suppliers are offering cheap or even free insulation. Just enter your details above to see if you're eligible.
I already have insulation, can I get a top-up?
If you have loft insulation with a depth between 60mm and 160mm you can get an extra insulation installed for £200 to reach the recommended level.
3 easy ways to see if you have cavity walls
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1
Look at your brickwork
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2
How thick are your walls?
Cavity walls are usually at least 30cm thick. Measure at a doorway or window.
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3
When was your home built?
If it was built after 1930 but before 1995 it probably has cavity walls.
Insulation information & advice
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How to insulate a loft or roof
Whether it's a loft, attic, pitched or flat roof, this guide will help you save on your energy bills.
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Floor insulation
Floor insulation can cut your heating bills, keep your home warmer and block draughts. Find out more about floor insulation.
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Wall insulation types
Learn about different wall insulation types - including cavity wall insulation and solid wall insulation - and find out which is right for your home.
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Window insulation
There's more to window insulation than double glazing. Find out about professional and DIY window insulation and how it can cut your heating bill.
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How much can you save by insulating your home?
The facts about insulation and how it can help make your home more energy-efficient.
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Draught-proofing
Draught-proofing is a cheap way to prevent heat loss, cut your energy bills and warm up your home.
*
Figures from the Energy Saving Trust. For loft insulation these are estimates based on insulating a gas-heated, semi-detached home with three bedrooms, showing savings when you insulate an uninsulated loft, and when you top up 100mm of insulation to 270mm. (The recommended depth for mineral wool insulation is 270mm but other materials need different depths.)
For cavity wall insulation these are estimated figures based on insulating a gas-heated, semi-detached home with three bedrooms. The installed cost includes a subsidy of around £250 available from the major energy suppliers under the Carbon Emissions Reduction Target (CERT)
† Available to those who are over 70 and/or in receipt of the following qualifying benefits: Attendance allowance, Council tax benefit (not including the single occupancy reduction), Disablement Pension Credit (which must include mobility supplement or constant attendance allowance), Disability living allowance, Housing benefit, Income related employment and support allowance, Income support, Income-based job seekers allowance, War disablement pension (which must include mobility supplement or constant attendance allowance), Working tax credit (where the relevant income is £16,190 or less)
‡ Available to anyone in receipt of Child Tax Credit where income is less than £16,190 or to anyone claiming State Pension credit