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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.

8 articles

How to buy loft insulation

Expert advice on choosing the best loft insulation, including the pros and cons of different types of loft insulation and if its a possible DIY job.

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

6 December 2021

Solid wall insulation costs and savings

Solid wall insulation costs and savings and how to install internal wall and external wall insulation

24 November 2021

Cavity wall insulation

Discover how much insulating the walls of your home could save you on your heating bills and how cavity-wall insulation is installed. Plus, what to watch out for with damp problems.

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

9 November 2021

Floor insulation

How to stop heat escaping through your floors

2 November 2021

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