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Best insulating wallpaper UK: the rolls in this set

Updated: 21 October 2026

You want one roll for a cold external wall, and the results keep naming Wallrock Thermal Liner, which we did not price. The best insulating wallpaper UK shoppers can take from this set is the clearest job match on our [insulating wallpaper comparison](/hub/painting-supplies/insulating-wallpaper), plus a best-value roll near £13. Best means a thickness and an area you can check, not a cut in the heating bill. Peter F. set this on 20 October 2026 from the listings, the saved reviews, and Erfurt’s pages. We did not hang the rolls. A qualifying purchase can earn us a commission at no extra cost to you.

You want one roll for a cold external wall, and the results keep naming Wallrock Thermal Liner, which we did not price.

Our top picks

Wallrock Wallrock Dampstop Thermic

Best overall

Wallrock Wallrock Dampstop Thermic
5.1/10about £11.10
View offer
Erfurt Erfurt Heatsaver

Best value

Erfurt Erfurt Heatsaver
5.7/10about £12.99
View offer
Erfurt Erfurt Graphite Plus

Rank 3

Erfurt Erfurt Graphite Plus
6.2/10about £17.85
View offer
On this page
  1. 1.What the UK pages call best
  2. 2.Top pick in this set
  3. 3.Best value in this set
  4. 4.When neither is the right roll

What the UK pages call best

Shop guides often point at Wallrock Thermal Liner for ordinary rooms and at the KV600 grade where the wall is colder, and they treat a Heatsaver-style paper as the cheap route. Erfurt’s KV600 page is class E, with a stated R-value of 0.1 and a 15 m² roll. Those pages map the shelf. They are not a ranking of these five listings. Thermal Liner, about £57.99 on one listing we saw, never entered the comparison. The “up to 15%” line is that product’s claim. It does not transfer to Heatsaver, Graphite Plus, or a peel-and-stick foam. A round-up that misses the Heatsaver 200 m² cell has not looked at the listing you are about to order.

Top pick in this set

The top pick is Erfurt Graphite Plus at about £17.85. Length times width matches the stated area. Erfurt says the graphite layer is about 20% better than its own standard 4 mm lining paper. That is another Erfurt sheet, not bare plaster, and not Wallrock KV600. Buy it for a cold, dry wall when you will trust the specification. Skip it if you wanted other people’s comments: this listing has no review line. It says the sheet disguises uneven walls and is fire rated, without a class. One roll will not cover a 4 m by 2.4 m wall. Class E is a local lining, and the wrong spec on its own for a new extension or an escape route. How 3.75 m² sits against a Heatsaver roll is on the buying guide.
Wallrock Wallrock Dampstop Thermic

Testsieger

Wallrock Wallrock Dampstop Thermic
5.1/10about £11.10
View offer

Best value in this set

The best value is the Erfurt Heatsaver two-pack at about £12.99, with 4.3 from 179 reviews. Two manufacturer rolls of about 5 m² are about 10 m², about £1.30 per square metre. The coverage cell says 200 m². Do not use it. The 37 reviews often say the wall feels warmer. The complaint that repeats is tearing when you trim. Erfurt says to put a lining paper on before paint. Nobody gives a measured drop in the heating bill. Skip it on a damp wall or a ceiling. The adhesive is extra, about 1.25 kg a roll.

When neither is the right roll

Dampstop Thermic is a different fault: a paste-the-wall barrier against the look of penetrating damp, about £11.10 for 5 m² and 4.3 from 584 reviews. There is no thickness and no R-value. Choose it for a local stain after the condensation page. Leave it if the plaster is wet or still fed by a leak. wishFIRE is 1.32 m² at about £18.99, with 4.4 from three ratings. The 9 mm roll at about £21.99 has no coverage and no reviews. A small star sample is not a better insulating wallpaper than a 4 mm sheet with a stated R-value. If you are hanging rather than choosing, use the how to hang page.

Common questions

What is the best insulating wallpaper in this comparison?
For a cold, dry wall, the top pick is Erfurt Graphite Plus at about £17.85, because the area matches 7.5 m by 0.5 m and Erfurt states an R-value of 0.125 m²K/W. The limit is real: this listing has no amazon.co.uk reviews, and the sheet is Euroclass E. It is not Wallrock Thermal Liner, and it is not a promise about your heating bill.
What is the best value if I only have about £13?
The Heatsaver two-pack at about £12.99. You get 2 mm polystyrene with 4.3 from 179 reviews, and about 10 m² if each roll is the manufacturer’s 5 m². Check that before you trust the order. The sheet tears when it is trimmed, and you still buy adhesive and, if you want to paint, a lining paper.
Why not the 4.4-star peel-and-stick?
wishFIRE’s 4.4 is from three ratings. The roll is 1.32 m² at about £18.99, so the price per square metre is far higher than Heatsaver, and the listing gives no R-value. It also tells you to avoid damp and textured walls. A small sample can look excellent and still be the wrong product for a cold external wall.
Is Dampstop the best if I have a damp stain?
It is the relevant roll in this set, not the best insulating wallpaper. Dampstop Thermic is about £11.10 for 5 m², with 4.3 from 584 reviews, and it is sold as a barrier to the appearance of penetrating damp. You need its adhesive. It will not fix a leak, rising damp, or a wall that is still wet.
Does best mean the biggest cut in the heating bill?
No. The manufacturer R-values here are 0.05 and 0.125 m²K/W. Those are small resistances next to internal wall insulation. A warmer surface to the touch is what the Heatsaver reviews support. A bill percentage is not what this comparison measured, and we will not invent one.

Related pages

Insulating wallpaper vs wall insulation

Insulating wallpaper

Thermal lining paper: type, coverage, and adhesive

Thermal wallpaper condensation: when a liner belongs

How to hang thermal lining paper: paste, then trim

Sources

Public UK sources and manufacturer pages used for this comparison. Listing prices, stars and review counts are the amazon.co.uk figures saved for this set on 20 October 2026.

  1. Erfurt, Heatsaver 2 mm wall underliner (retrieved 20 October 2026)
  2. Erfurt, Insulating lining paper Graphite Plus (retrieved 20 October 2026)
  3. Erfurt, Understanding fire ratings (retrieved 20 October 2026)
  4. Erfurt, Wallrock Dampstop Thermic (retrieved 20 October 2026)
  5. GOV.UK, Damp and mould in the home (retrieved 20 October 2026)
  6. Approved Document B, volume 1, dwellings (retrieved 20 October 2026)
  7. Centre for Sustainable Energy, Internal solid-wall insulation (retrieved 20 October 2026)
  8. Homebuilding, Insulating wallpaper (retrieved 20 October 2026)