Wall & Loft Insulation

Home insulation is material that can be added to different areas of your house to help your house retain heat. Fitting insulation means that less of the heat your heating system produces leaves your house, meaning that less fuel is needed to heat your house to the same temperature. This saves you money on your energy bills – as much as several hundreds of pounds a year!

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Are you eligible for free wall and loft insulation?

 

The most effective forms of insulation are:

  • Loft Insulation – This is generally easy and cheap to do and will result in an immediate saving; it’s like putting a woolly hat on your house! Typical saving: up to £175 a year.
  • Cavity Wall Insulation – This is a form of insulation which is injected into the air gap in some types of wall. This is a very cheap but effective way of insulating your house. Typical saving: up to £135 a year.
  • Solid Wall Insulation– If your walls do not have a cavity it is possible to add insulation either on the inside or outside of your house’s walls. This costs a little more but is very effective. Typically saving: around £445 – £475.

There is also funding available for wall and loft insulation under the ECO scheme. Under the HHCRO (Home Heating Cost Reduction Obligation) part of the scheme you could get loft insulation and cavity wall insulation installed totally free of charge – see if you qualify for free insulation and apply on our HHCRO Free Insulation page.

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FAQs

Are there grants available for cavity wall insulation and are there strict criteria as to who is eligible, like with loft insulation?
There are grants available for cavity wall insulation available through the CERT (Carbon Emissions Reduction Target) scheme, which is available through the energy suppliers. You can apply to any of the larger suppliers regardless of whether you're a customer of theirs. The scheme is now only available through British Gas and Scottish Power, as most of the scheme shave run out - apply now if you could benefit. The ECO (Affordable Warmth) scheme is due to replace CERT, and is currently operating, but has stricter criteria on who's eligible, focusing on less well off customers.
I want to use my loft for storage, how can I do that if it is insulated to the depth recommended?
You or your installer can instead lay down innovative loft boards called Space Board. These are insulation boards made from Polyfoam extruded polystyrene designed to be placed on top of the ceiling joists instead of the 170mm mineral wool insulation. You should still aim to lay down 100mm of standard insulation between the joists.
Why wasn't my house built with cavity wall insulation and the right amount of loft insulation?
Houses comply with the building regulations that apply at the time the property is built. Since the oil crisis in the early 1970s, the insulation standards in the Building Regulations have been progressively upgraded.
Is it true that everyone in the UK is entitled to subsidised insulation?
Yes, everyone is entitled to a subsidy and some people can even have free installation. Why? Because the UK Government is obligated to reduce greenhouse gas emissions by international environmental agreements. One of the easiest ways to achieve a large reduction in greenhouse gas emissions is through increased home energy efficiency. The Government has stated that cavity wall insulation and loft insulation are the most effective methods which is why they have legislated for power/energy utilities and power companies to provide subsidies.
There is a lot of pipework in my loft space. Should I insulate the pipe work too?
Yes, it is a good idea and many insulation installers will do this for you - it usually involves fitting foam 'jackets' over the pipes.
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