Best Dorma mattress toppers

If one Dorma topper has to rescue a mattress that feels too hard, make it the TENCEL Blend. It is the only memory foam model in the range, so it is the one that actually moulds around a shoulder or hip, and Dunelm backs it with a 10-year guarantee, the longest Dorma offers on a topper.

The 6.5cm double costs £180, and the 10cm version adds £35. Side sleepers should take the 10cm, which was also the only double in stock on 5 October 2026. Readers weighing it against foam from other brands can compare our memory foam mattress toppers.

The Full Forever is the cheapest way into Dorma at regular prices, and with 527 Dunelm reviews it is also the fibre topper most owners have tried. Recycled spiral fibre is quilted into boxes inside a 230 thread count cotton cover, which keeps the fill spread evenly and gives a springy, cool surface rather than a foam sink.

A 3cm double costs £80, and the 6cm adds £20, the depth worth paying for on a firm bed. It is also one of only two Dorma toppers sold in a small double and an emperor.

For a hotel-style bed, the Hungarian Feather Dual is the most luxurious topper Dorma makes. Its top layer holds 70% Hungarian goose down, so that layer alone clears the 60% that BS EN 13186 sets for a down product, and it buttons onto a firmer goose feather base that stops you sinking through to the mattress.

A double costs £205, more than any other Dorma topper except the 10cm TENCEL Blend, and the money buys softness rather than support. Front sleepers will find it too yielding.

Two layers of recycled fibre, 300gsm on top and 800gsm beneath, make the Full Forever Dual a fuller take on the Full Forever. The zip is the practical gain, because the top layer comes off and goes in a domestic wash, something no single-layer Dorma fibre topper allows.

That convenience doubles the price of the 3cm Full Forever, to £160 for a double, so it suits someone who already likes fibre and wants more of it.

The Anti-Allergy version is the Full Forever with its fibre coated in Aegis Microbe Shield, a biocide that Dunelm says prevents bacteria from growing. It costs £10 more per size, £90 for a 3cm double.

Read the label before buying it for a dust mite allergy, though. Dunelm makes no mite claim for the treatment, and its own care notes say spot clean only in one place and machine washable in another, so a breathable barrier cover over it remains the surer fix.

Readers who want the sink of a feather bed without the feathers should look at the Sumptuous Soft. Its 7cm of down-like recycled fibre makes it the deepest of the single-layer Dorma fibre toppers, quilted into a 100% cotton cover, and a double costs £110.

It is a comfort layer, not a fix for a tired mattress. Fibre this deep compresses where you lie most and needs shaking out whenever you change the sheets.

The Dream Dual Layer is the Dorma fibre topper to pick for the feel of the cover. A 350 thread count blend of recycled polyester and cotton sourced through the Better Cotton Initiative, finished with satin piping, sits over pin-tucked pockets of fibre 5cm deep, and Dunelm adds a two-year guarantee, one of only two in the range.

A double costs £140, more than the 6cm Full Forever, and the extra buys the finer cover, the pin-tucked two-layer build and the guarantee. The zip is for airing rather than washing, since Dunelm lists the whole topper as sponge clean only.

A reversible surface rather than a deep topper, the Luxury Wool Reversible puts merino wool against you in winter and cotton in summer, over a polyester fill whose depth Dunelm does not state. It is the one Dorma topper you can wash whole, in a high-capacity launderette machine.

Its regular double price is £65. On 5 October 2026 Dunelm had every size at half price, making it the cheapest Dorma topper for as long as the offer lasts, but it will do little for a mattress that is too firm. Wool fans who want a deeper layer should look at our wool mattress toppers.