Memory foam mattresses UK: prices, firmness and sizes

Bed Kingdom guide · Updated October 2026 · Prices checked 31 October 2026

Bed Kingdom has 74 memory foam mattresses in stock from £96.99, with a median price of £282.49. The lowest-priced is the Sareer Memory Coil Mattress. Depths run from 12cm to 34cm. The main brands are Sareer, Flair Furnishings, Maxitex, Dormeo and Beauty Sleep.

Quick picks by need

NeedProductFrom
Lowest priceSareer Memory Coil Mattress£96.99
Medium soft feelSareer Value Memory Foam Mattress£104.99 · 3 - Medium Soft
Medium firm feelSareer Orthopaedic Memory Mattress£99.99 · 5 - Medium Firm
Firm feelMaxitex Kids Magic Memory Foam Mattress£139.99 · 6 - Firm
DeepestMaxitex Hybrid 3000 Pocket Sprung Memory Mattress£349.99 · 34cm deep

Prices by size

SizeListingsFromLowest-priced
Small Single21£109.99Sareer Cool Blue Memory Coil Mattress
Single57£96.99Sareer Memory Coil Mattress
Shorty2£129.00Kids Avenue Sleeptight Shorty Junior Mattress 70 x 160cm
Small Double45£119.99Maxitex Roma Open Coil Memory Mattress
Double64£134.99Sareer Memory Coil Mattress
King61£169.99Sareer Memory Coil Mattress
Super King46£229.99Maxitex Dream 1000 Pocket Memory Mattress

Firmness

Bed Kingdom mattresses list firmness on a numbered scale. Here’s how the range splits:

FeelListingsFrom
Medium soft5£104.99
Medium25£96.99
Medium firm19£99.99
Firm14£139.99

Prices change, so the product page always shows the live price and lead time. Sale prices were included where they applied on 31 October 2026.

Shop the range

Common questions

What’s the cheapest memory foam mattress at Bed Kingdom?

The Sareer Memory Coil Mattress is the lowest-priced memory foam mattress in stock at £96.99 (prices checked 31 October 2026).

How much is a double memory foam mattress?

Double memory foam mattresses start at £134.99 for the Sareer Memory Coil Mattress (prices checked 31 October 2026).

Which firmness should I choose?

Side sleepers often prefer a softer or medium feel, while back and front sleepers tend to suit medium firm to firm. Our firmness guide explains the scale in more detail.

Is delivery free?

Delivery is free to most of the UK. Postcode-specific charges apply to parts of Scotland, Northern Ireland, the Channel Islands and some islands, and you’ll see any charge at checkout before you pay. Lead times are shown on each product page.

Can I spread the cost?

Selected 0% APR finance is available on eligible orders through V12 Retail Finance, and Klarna is offered at checkout, subject to status.

Can I return it if I change my mind?

You have a 14-day right to cancel. Products need to be as new, you cover the cost of the return, and made-to-order items can’t be returned for a change of mind. Refunds are processed within 14 days.

What warranty do I get?

Flair Furniture products have a 12-month warranty against manufacturing faults. Other brands carry their manufacturer’s warranty.

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