Home Insulation Grants: Can you get help paying for attic and cavity wall insulation?

Home Insulation Grants can help you insulate attics and cavity walls, saving you over £1000 on your annual energy bills.

Winter is approaching and even with the government’s ‘energy price guarantee’, lowering bills is a priority for many households in the face of rising inflation and rising costs.

But you can cut your costs by keeping the heat in your home with attic and cavity wall insulation.

Here we explain how much insulation can save you, what grants are available to help you pay, and how you can insulate your own home.

WHAT DIFFERENCE CAN INSULATION MAKE ON YOUR BILLS?

A quarter of the heat is lost through the roof if it is not insulated, Energy saving trust (opens in a new tab) Explain. This is the case for all types of roofs, whether pitched, flat or attic.

According to EDF (opens in a new tab)Cavity wall and attic insulation can save you up to £1,060 a year on your energy bills.

Cavity wall insulation

If we break it down by the type of home you live in, here’s how much you could save annually if you only got cavity wall insulation, according to Energy saving trust:

TYPE OF HOUSE ANNUAL SAVINGS (£)
Individual house £480.00
Twin house £285.00
Half-terrace house £180.00
Independent bungalow £195.00
Middle floor apartment £145.00

These figures are based on the current energy price cap of £1,971 set by Degem (opens in a new tab).

Attic insulation

Energy Saving Trust has also calculated how much you could save annually if you got 270mm of loft insulation:

TYPE OF HOUSE ANNUAL SAVINGS (£)
Individual house £580.00
Twin house £255.00
Half-terrace house £230.00
Independent bungalow £365.00

Before looking into the matter, you should also check whether your home needs attic or cavity wall insulation, as this depends on the age of your home and the type of wall it has.

For instance, Energy saving trust (opens in a new tab) says that houses built after the 1920s are likely to have a cavity wall, which are 2 walls with a space, the space being the “cavity”. Houses before this time may have a solid wall, in which case you do not need to insulate the cavity walls.

WHAT SUBSIDIES AND FINANCIAL SUPPORT FOR HOME INSULATION ARE AVAILABLE?

The Energy Company Obligation (ECO) program means there are grants to insulate your home.

Major energy companies such as British Gas, E.ON, Scottish Power and Octopus Energy participate in the ECO scheme and offer to insulate your roof and cavity wall free of charge (subject to conditions). You can find the contact details of your companies on the Ofgem website (opens in a new tab)

The the government says (opens in a new tab) you may qualify if you live in private accommodation (for example, own your own home or rent from a private landlord) and have one of the following benefits:

  • Child tax credit
  • Work Tax Credit
  • Universal Credit
  • Pension guarantee credit
  • Pension savings credit
  • Income support
  • Jobseeker’s Allowance (JSA) based on income
  • Income-related Employment and Support Allowance (ESA)
  • Family allowances
  • Housing allowance

The energy rating of your home also matters.

  • If you own your home, it must have a D, E, F or G energy efficiency rating to qualify.
  • If you are renting from a private landlord, the house must have an energy efficiency rating of E, F or G to qualify. You must have the owner’s authorization to carry out the work.
  • If you live in social housing with an energy efficiency rating of E, F or G, you may also be eligible for support for insulation or installing a heating system for the first time.

You can use the register of energy performance certificates (opens in a new tab) to find out your property’s energy efficiency rating or ask your landlord.

The criteria include that the homeowner must claim benefits which are listed on the government website, and it depends on your home’s energy efficiency rating.

WHO CAN INSULATE ROOFS AND CAVITY WALLS?

Energy Saving Trust advises that cavity wall insulation is not something you can do yourself and should have a professional do the job, someone who is registered. For a detached house, cavity wall insulation costs around £610.

To find someone trustworthy to do the work, you should look for a craftsman who is a member of one of the following groups:

When it comes to attic insulation, if you have easy access and there are no condensation or dampness issues, you can do it yourself, which will save you money. short and long term money.

If you prefer to hire a professional to insulate your attic, you can do so. It is good to check that they are part of the National Insulation Association (opens in a new tab) to make sure they are trustworthy.

Whether you are looking for a craftsman for attic insulation or cavity wall insulation, you can also consult the Trusted brand (opens in a new tab) website to see if the government trusts them.

Labor cost is around £250 per day. Depending on the type of roof insulation you want, material costs can vary between £10 and £40 per square metre, depending Checkatrade (opens in a new tab).

CAN YOU INSULATE YOUR LOFT YOURSELF?

Yes. This is a relatively simple DIY task for a fit and healthy person.

DIY retailer Wickes (opens in a new tab) recommends clearing out the attic first to ensure you have a safe workspace.

  1. Lay running boards on the attic floor so you can use it to walk across, lean on, and place insulation.
  2. Next, measure the insulation roll and the space between the attic joists and cut the roll to fit the size of the space. You usually get 400mm or 600mm rolls.
  3. Once cut, lay the insulation covering the running boards. Start at the furthest corner and head towards the attic hatch. It is important that you press the insulation together with a “friction fit” so that there are no gaps, otherwise heat can be lost.
  4. Also, remember not to press too hard on the insulation, as this can reduce its insulating quality. It’s good to save any clippings you have to fill in small spaces.
  5. Once the first layer is done, roll out the second layer on top of the first (which doesn’t need to be cut to any particular size, as long as it overlaps the first layer).
  6. Finally, don’t forget to insulate the attic hatch.

Lost Insulation Installation

(Image credit: Getty Images)

WHAT INSULATION PROBLEMS SHOULD YOU LOOK FOR?

After installing attic or cavity wall insulation, new or old problems may arise. You may find dampness after insulating an attic or cavity wall.

This could be due to several reasons, a humidity problem may have arisen during installation, the house may not be suitable for the measured insulation, the insulation was not done correctly or there may have been a moisture problem in the past that was never fixed.

Energy saving trust (opens in a new tab) recommends that if you can’t put your finger on the problem, you should look for damaged/blocked gutters, missing slates or tiles, damaged bricks, plumbing leaks, or excessive moisture.

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