How to check your loft insulation in five minutes

With a torch and a ruler you can learn a lot about your loft in five minutes. Here’s what to look at.

At a glance
You needA torch, a ruler, gloves and a dust mask
TakesAbout five minutes
NeverStep between the joists

Before you go up

Use a proper ladder, step only on joists or boards, and take a torch.

What to look at

Depth: can you see the joists? Condition: fluffy or flat, clean or stained? Damp: marks on timber or felt? Pests: droppings or nesting? Eaves: is light or air coming through, or is it stuffed?

If you’re unsure

Book a free loft check and we’ll look for you.

Common questions

Can you check it for me?
Yes. Book a free loft check on the form.

Tell us what you’ve found. We’ll find the cause.

Describe the problem and we’ll look, explain it and quote the fix in writing. Free.

Check my loft
Check my loft