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The best mattress protector double depends on what you need it to do. For general protection, choose a fitted, washable protector that matches a UK double mattress measuring 135 × 190 cm. For spills, night sweats or bedwetting, choose a waterproof model. For dust mites, allergens or bed bugs, a fully zipped protector covering all six sides offers the more suitable design.
These are four strong UK double-size options, based on named editorial recommendations, verified prices and documented features.
| Protector | Best for | Double price | Key fit or care detail |
|---|---|---|---|
| M&S Quilted Waterproof Extra Deep | Best overall | £26 | 38 cm skirt; machine washable at 40°C |
| Nectar Mattress Protector | Best waterproof option | £45 | 32 cm skirt; washable up to 90°C |
| IMFAA Fully Zipped Encased Protector | Best budget zipped cover | £17 | Six-sided cover; fits mattresses up to 40 cm |
| John Lewis Easycare Waterproof | Simple easy-care choice | £20–£35 | Fitted skirt; two-year guarantee |
Prices are the listed double-size prices in the cited reviews or retailer listings and can change. For a correct fit, match the 135 × 190 cm double size and check the protector’s stated mattress depth against your bed.
The Independent names the M&S model its best overall protector, while Expert Reviews names Nectar its best waterproof option.
The M&S Quilted Waterproof Extra Deep Mattress Protector is the best overall choice named by The Independent. Its listed double price is £26, making it a practical option if you want waterproof protection for a substantial mattress.
It has a cotton-rich quilted top, a waterproof backing and a 38 cm deep elasticated skirt. The protector is machine washable at 40°C.
The Nectar Mattress Protector is Expert Reviews’ best waterproof mattress protector, with a reviewed double-size price of £45. Its construction combines Tencel, polyurethane and polyester, with a 32 cm elasticated skirt.
This is a strong choice when liquid protection and easy washing matter. It can be machine washed at up to 90°C and comes with a two-year warranty.
The IMFAA Fully Zipped Encased Mattress Protector is The Independent’s best budget option, with a listed Amazon price of £17. It is waterproof and encloses all six sides of the mattress, rather than covering only the sleeping surface.
It fits mattresses up to 40 cm deep and is machine washable at 40°C. This is the most suitable format in the list when your priority is an enclosed cover for allergens, dust mites or bed bugs, as well as protection from liquid.
The John Lewis Easycare Waterproof Mattress Protector is listed in double size at £20–£35. It has a soft quilted face, fitted skirt and waterproof backing, so it is designed for everyday fitted-bed protection rather than full mattress encasement.
Care is straightforward: it is machine washable at 40°C and carries a two-year guarantee. It suits shoppers who want a conventional waterproof double protector with a quilted surface and a fitted construction.
Choose a waterproof mattress protector double for bedwetting, night sweats and liquid spills. A waterproof backing prevents liquid reaching the mattress, while the fitted skirt keeps the protector positioned beneath the sheet.
Argos lists three relevant double-size options: the Habitat Waterproof Mattress Protector from £16, the Silentnight Middleton Collection protector from £20 and the Emma Sleep Waterproof Mattress Protector from £67. The Habitat model has an elasticated skirt for mattresses up to 30 cm deep. See the Argos double mattress protector listing for those product details.
Choose a zipped protector when you need coverage on all six sides of the mattress. A standard fitted waterproof protector generally covers the upper surface and mattress edges, whereas a zipped encasement surrounds the mattress completely.
Six-sided protection is the recommended format when dust mites, allergens or bed bugs are the concern. It also provides a more comprehensive liquid barrier, although fitting and removing an encasement takes more effort than lifting off a fitted protector for washing.
Measure the mattress depth from its base to the highest sleeping surface, including anything that will remain underneath the protector. Double protectors are commonly made for mattresses up to 25 cm, 25–30 cm or over 30 cm deep.
A protector that is too shallow can pull off the corners. One that is too deep may wrinkle beneath the sheet. The correct fit keeps the sleeping surface smoother and avoids having to reposition the protector during the night.
For bedwetting, select a waterproof protector with a fitted skirt if you need quick removal and regular washing. Choose a fully zipped waterproof encasement if coverage around every side is more important. A protector for a thick mattress needs an extra-deep skirt or an encasement with a suitable maximum depth.
Keep the protector under a fitted sheet and follow the product’s care instructions to preserve the waterproof layer.
There is no single best design for every sleeper. The Independent names the M&S Quilted Waterproof Extra Deep Mattress Protector its best overall choice. For waterproofing, Expert Reviews names the Nectar Mattress Protector its best option. For a six-sided cover against allergens, dust mites or bed bugs, choose a fully zipped encasement such as the IMFAA model.
Yes. A mattress protector creates a washable barrier against sweat, stains, spills and general grime. This reduces the need to clean the mattress itself and helps keep it in better condition.
Choose a fitted or quilted protector for everyday use, a waterproof model for spills, sweat or bedwetting, and a fully zipped six-sided encasement for bed bugs, dust mites or allergens. If your mattress is thick, prioritise the skirt depth or maximum encasement depth.
For a standard UK double bed, buy a protector measuring 135 × 190 cm. Also check the mattress depth. A protector that is too shallow may come off the corners, while one that is too deep can wrinkle beneath the sheet.
