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Home & garden.

Insulation advice guides

Here, we explain the different kinds of insulation available, how to pick the best type for your home and what grants there are to help with the cost.

10 articles

How to buy loft insulation

Insulating could cut your energy bills by £240 a yearExpert advice on choosing the best loft insulationThe pros and cons of different types of loft insulationDeals and discounts for cheap or free insulation

Spray foam insulation explained

Find out about the different types of spray foam, if spray foam insulation is right for your home and how much spray foam insulation costs.

16 August 2021

How to draught proof your home

Find out how to draught proof your home

7 July 2021

How to make your home more energy efficient

From home energy audits to low-energy lightbulbs, an efficient home means lower energy bills - find out where to start

29 September 2021

How to make your home more energy efficient

From home energy audits to low-energy lightbulbs, an efficient home means lower energy bills - find out where to start

29 September 2021

Cavity wall insulation

Discover how much insulating the walls of your home could save you on your heating billsFind out how cavity-wall insulation is installed, and what to watch out for with damp problemsHow to get cheaper, or even free, cavity-wall insulation and find a regis

Floor insulation

How to stop heat escaping through your floors

26 July 2021

Floor insulation

How to stop heat escaping through your floors

26 July 2021

Solid wall insulation

Find out if your house has solid walls or cavity wallsCosts and savings for solid wall insulationFind out which solid wall insulation option is best for youHow to buy and install solid wall insulation

Roof insulation

Get advice on roof insulation from the Which? experts and and find out how to save money by insulating your roof.

1 July 2021