The benefits of Wall & Loft Insulation

It is pretty much universally agreed that around a quarter of the heat in your home is lost through the roof and a further third is lost through the walls – maybe more! The more that this heat loss is reduced the easier – and cheaper – it will be to heat your home.

You can even get your walls and loft insulated FREE if you meet certain criteria.

Some of the main benefits for insulating your walls and loft are:

  • Optimal Temperature - Comfort is improved year-round as it will be easier to control the temperature of your home, both keeping it warm in winter and cool in summer
  • Reduces Energy Bills - by over 40% and it pays for itself in around two to four years, and keeps paying for itself year after year for over 40 years
  • Reduce Carbon Emissions – Saves non-renewable resources as less energy is need to heat your home, reducing greenhouse gas emissions
  • Reduced Condensation – When fitted well it will virtually eliminate condensation on walls and ceilings
  • Sound Proofing - Insulation materials are often very effective at sound proofing
  • Improve your Home Efficiency Rating - The EPC (Energy Performance Certificate) is used whenever a home is sold or rented to measure its energy performance - insulation will improve its rating

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Overall the savings for insulating your walls and loft could be £265 per year and 1.4 tonnes of carbon! This could be even more if you have solid walls.

Few investments are this good!

You can even get your loft and cavity wall insulation installed for free through the HHCRO scheme, part of the ECO, the grant scheme running alongside the Green Deal. The scheme is paid for by the energy companies. You can check whether you qualify for free insulation and apply through us by heading to our HHCRO Free Insulation page.

There are also grants available for solid wall insulation through another part of the ECO. It’s not yet clear how customers will be able to apply for this scheme. It’s likely we’ll know more in May 2013 – we’ll update this page when we do.

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FAQs

My house is rendered, won't cavity wall insulation mess up the render?
The holes drilled to inject the cavity insulation are only about 20mm in diameter and are filled with mortar after the insulation has been injected. The installer will be able to match the existing render. If the render is painted, the filled holes should be touched up with matching paint when the mortar has dried.
I live in a flat, can I get cavity wall insulation installed?
It's not practical to insulate a single flat in a block. If the property has cavity walls, the whole building should be insulated.
I already have some loft insulation - do I need to install more?
If your loft insulation is 100mm or less you would certainly benefit by having it topped up with more insulation to make it up to a 270mm thickness. The Energy Saving Trust estimates that top-up loft insulation can save the average householder as much as £60 per year at current energy prices.
My loft has been fitted with floorboards - will this cause a problem?
Not necessarily. You can lay the insulation once the floorboards have been taken up, and put the floorboards back over the insulation, or, if you prefer, you can have your insulation lain directly over the floorboards.
Do I need to provide extra ventilation to my loft space if I insulate it?
That depends on whether it is adequately ventilated at the moment. Increasing the amount of insulation in the loft can lead to condensation of water vapour on any timber there. If your loft is not properly ventilated your installer will advise you, and can install simple vents that will ensure an adequate air flow through the loft.
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