Which? uses cookies to improve our sites and by continuing you agree to our cookies policy


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.

Put us to the test

Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.