Best Sofa Bed Replacement Mattress Deals Online in the UK (10 Deals Found)

Last Updated - 19/03/2026 Sort By:

Best Choice
Meulbaty

New
Meulbaty Memory Foam Mattress Replacement with Washable Cover for Sleeper Sofa and Couch Beds,Double Size(180 cm x 135 c
Premium Memory Foam Comfort：Experience superior pressure relief and body-contouring support with 10cm of high-density me

£84.99 £99.99
Save On Goods UK

New
Save On Goods UK Replacement Foam Sofabed Bed Settee Put you up Mattress. Metal Action Sofa Matress.Small Double (115cm
Made from 100% 'Super Support Reflex Foam' for true body support. Medium feel. This sofabed mattress is for a 3 fold mec

£94.99 £99.99
Best Value
SUNYRISY

New
SUNYRISY Foldable Sofa Bed Replacement Mattress Memory Foam 10cm Pull Out Sofa Couch Double Size Bed Mattress Topper for
Only Mattress: Only the sofa bed mattress replacement for sofa bed, sofa NOT included, the dimensions is 183cm x 135cm x

£75.59 £99.56
Save on Goods

New
Save on Goods Replacement Foam Sofabed Bed Settee Put you up Mattress. Metal Action Sofa Matress.Small Double
SOFABED MATTRESS. Replacement foam sofabed MATTRESS, medium foam with a soft knitted, removable and washable cover.

£94.99 £99.99
Save On Goods UK

New
Save On Goods UK Replacement Sofa Bed Mattress,Foam,2 Fold Metal Action Bed Settee Folding Sofabed Mattress,Zip Cover (1
Sofabed Mattress. Exclusive design of Save On Goods UK. This is a replacement sofabed mattress, only, not a sofabed.

£139.99 £149.99
Save On Goods UK

New
Save On Goods UK Visco Elastic Memory Foam Replacement Sofabed Mattress,Metal Action Sofa Bed Folding Bed Settee Mattres
Sofabed mattress only. Medium feel. Cool blue visco elastic memory foam replacement sofabed mattress. The layer of cool

£179.99 £189.99
Save On Goods UK

New
Save On Goods UK Replacement Foam Sofabed Bed Settee Put you up Mattress. Metal Action Sofa Matress.Small Double (120cm
Made from 100% 'Super Support Reflex Foam' for true body support. Medium feel. This sofabed mattress is for a 3 fold mec

£109.99
15% Off
Meulbaty

New
Meulbaty 10cm Memory Foam Mattress Replacement with Washable Cover for Sleeper Sofa and Couch Beds,King Size(180cm x 150
Premium Memory Foam Comfort：Experience superior pressure relief and body-contouring support with 10cm of high-density me

£93.49 £109.99
Save On Goods UK

New
Save On Goods UK Visco Elastic Memory Foam Replacement Sofabed Mattress,Metal Action Sofa Bed Folding Bed Settee Mattres
Sofabed mattress only. Medium feel. Cool blue visco elastic memory foam replacement sofabed mattress. The layer of cool

£189.99 £199.99
Save On Goods UK

New
Save On Goods UK Visco Elastic Memory Foam Replacement Sofabed Mattress,Metal Action Sofa Bed Folding Bed Settee Mattres
SOFABED MATTRESS ONLY. Visco Elastic Memory Foam Replacement Sofabed Mattress.

£209.99

10 Sofa Bed Replacement Mattress deals are available from: Amazon stores, starting from £75.59.
The biggest discount we found is 24% on SUNYRISY Foldable Sofa Bed Replacement Mattress Memory Foam 10cm Pull Out Sofa Couch Double Size Bed Mattress Topper for Convertible Sleeper, 183 x 135 x 10 cm at Amazon.
The lowest price we found is £75.59 while the highest is £209.99.
Prices for the best Sofa Bed Replacement Mattress deals average at £127.40.
Last updated on March 19, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Sofa Bed Replacement Mattress.