King-Size Mattress Protectors
Looking for king-size mattress protectors? Flitch brings together 314 from 20 retailers, with prices for most of them running from around £20 to £250 – so there’s choice across a wide range of budgets.
King-size mattress protectors on Flitch
You’ll find the widest choice at The Range, Habitat and BHS.com. Retailers have added 8 new king-size mattress protectors to Flitch in the last 30 days. The most common colour for king-size mattress protectors is white.
How much do king-size mattress protectors cost?
Half of all king-size mattress protectors on Flitch cost less than £65. That’s about 65% more than mattress protectors in general, which usually cost around £40. It also pays to shop around: of the retailers with plenty to choose from, The Range is usually the cheapest, at around £40, and Furniture Village the most expensive, at around £330.
What other shoppers are choosing
Shoppers on Flitch look at white mattress protectors more than any other colours.
Is now a good time to buy king-size mattress protectors?
Right now 36 king-size mattress protectors are reduced, typically by 25% – and some by up to 50%. About one in ten king-size mattress protectors are cheaper than they’ve usually been over the last three months. If you can wait a couple of months, January is usually the best time to buy mattress protectors: in each of the last two Januarys, more than twice as many were below their usual price as in a typical month. Either way, prices here change often, so set a price alert on the one you want and we’ll tell you when it drops.
Prices checked 6th November 2026.



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