Best Under Mattress Support Board Deals Online in the UK (25 Deals Found)

Last Updated - 15/09/2026 Sort By:

Best Choice
YOZAIUUI

New
Sagging Mattress Support Fix Sinking Beds - 50D High-Density Foam Pad
𝐅𝐢𝐱 𝐒𝐚𝐠𝐠𝐢𝐧𝐠 𝐌𝐚𝐭𝐭𝐫𝐞𝐬𝐬: If your mattress has developed sunken areas, this mattress support helps restore

£16.28
Best Value
Meliusly

New
Meliusly Original Bunkie Board Full Size (54x75) - Under Bed Support
STOPS MATTRESS SAGGING BETWEEN SLATS — Your mattress needs a flat, continuous surface to perform the way it was designed

£140.78
New
2 Pack Bed Boards Under Mattress Support, 47x25x2'' Sagging XL, Black
FIX SAGGING MATTRESS INSTANTLY: Tired of waking up with back pain from a sinking bed?. PREMIUM 32D HIGH DENSITY FOAM: Un

£66.88
Generic

New
Premium Wood Bed Base Boards, Solid Mattress Support Panels, Heavy Duty Foundation Insert, Single, Double, King, Super K
These panels work well as replacements for damaged or worn slats and can help extend the life of your mattress.

£40.99
New
DOUBLE BED UNDER MATTRESS /BED SUPPORT BOARDS- FOR SLATS or DIVAN- STRONG -
Thinner panels lack durability, while thicker panels can be unnecessarily heavy. 9mm Plywood Bed Support Panels – Set of

£98.00
mm08enn

New
mm08enn Solid Base Replacement Bed Slats (5ft King Size)
Solid Black Base Lid Only – 5ft King Size 152 cm Width Replacement for Existing Bed Wooden Slats ( this is not a Bed Fra

£75.00
RNPKZ

New
RNPKZ Sagging Mattress Support Fix Sinking Beds, 120×60×5CM Under Mattress Support, High Density Foam Insert Pad for Sag
【Fix Sagging Mattress】Our sagging mattress support is specifically designed to repair sagging mattresses, which provides

£16.99
New
Sagging Mattress Support Under Mattress Support Board for Living Room Home
1 Sagging Mattress Support. 【Easy Installation】: The Bed Board can be effortlessly placed under your mattress or sofa wi

£27.32
STOREX

New
STOREX Heavy Duty Wooden Mattress Support Bunkie Board Bed Slats in 3 ft Single 4 ft Small Double 4 ft 6 Inch Double 5 f
✔️ Brand New 10 Solid Pine Wood Bed Slats Connected with a white Fabric tape as shown in the pictures Available in 👉 3F

£25.95
New
Sagging Mattress Support Under Mattress Support Board to Fix Sinking Bed Under
【Easy Installation】: The Sagging Mattress Support Pad can be effortlessly placed under your mattress or sofa without the

£36.01
Generic

New
Premium Wood Bed Base Boards – Solid Mattress Support Panels – Heavy Duty Foundation Insert – Available in Single, Doubl
These panels work well as replacements for damaged or worn slats and can help extend the life of your mattress.

£44.99
TourKing

New
Sagging Mattress Support | 120 x 60 x 5cm Under Mattress Support Fix Sinking Beds | High Density Foam Insert Pad for Sag
✅ 【Restore Your Sagging Mattress Without Buying A New One】If your mattress has started to dip in the middle or feels uns

£18.99 £19.99
New
2 Pack Bed Boards Under Mattress Support, 47x25x2'' Sagging XL, Black
FIX SAGGING MATTRESS INSTANTLY: Tired of waking up with back pain from a sinking bed?. PREMIUM 32D HIGH DENSITY FOAM: Un

£55.49
Scettar

New
Scettar 2 Pack Sagging Mattress Supports Fix Sinking Bed, 120 x 60 x 5 cm Under Mattress Support High Density Foam Inser
Easy to Use: The bed boards-under mattress support is specifically designed to restore sagging mattresses. It provides f

£45.99
New
2 Pack Bed Boards Under Mattress Support, 47x25x2'' Sagging XL, Black
FIX SAGGING MATTRESS INSTANTLY: Tired of waking up with back pain from a sinking bed?. PREMIUM 32D HIGH DENSITY FOAM: Un

£55.97
DrawerSolutions

New
DrawerSolutions KING - Bed Base Boards/Mattress Support Panels 9mm Plywood
We do have other sizes available, Please click on :-ParkersPanels then on Visit the ParkersPanels storefront

£116.00
New
imuounl Sagging Mattress Support Pad 120×60×5cm, bed boards-under Single
Sagging Mattress Support Pad 120×60×5cm, High Density Foam Under Mattress Support for Sinking Bed Repair, Trapezoid Matt

£30.19
New
2 Pack Bed Boards Under Mattress Support 47x25x2'' Sagging XL, Black
FIX SAGGING MATTRESS INSTANTLY: Tired of waking up with back pain from a sinking bed?. PREMIUM 32D HIGH DENSITY FOAM: Un

£60.17
New
Sagging Mattress Support Under Mattress Support Board Couch Hotel Sofa Bedroom
【Easy Installation】: The Sagging Mattress Support Pad can be effortlessly placed under your mattress or sofa without the

£11.87
New
2 Pack Bed Boards Under Mattress Support 47x25x2'' Sagging Mattress Support
FIX SAGGING MATTRESS INSTANTLY: Tired of waking up with back pain from a sinking bed?. PREMIUM 32D HIGH DENSITY FOAM: Un

£54.35
New
2 Pack Bed Boards Under Mattress Support, 47x25x2'' Sagging XL, Black
FIX SAGGING MATTRESS INSTANTLY: Tired of waking up with back pain from a sinking bed?.

£55.99
New
Sagging Mattress Support Under Mattress Support Board Queen King Twin
【Easy Installation】: The Sagging Mattress Support Pad can be effortlessly placed under your mattress or sofa without the

£34.66
New
2 Pack Bed Boards Under Mattress Support, 47x25x2'' Sagging XL, Black
FIX SAGGING MATTRESS INSTANTLY: Tired of waking up with back pain from a sinking bed?.

£54.29
New
Mattress Sagging , High-density under-mattress Support Bed Board, Pad
1 Sagging Mattress Support. 【Easy Installation】: The Bed Board can be effortlessly placed under your mattress or sofa wi

£27.71
New
Sagging Mattress Support Under Mattress Support Board Fix Sinking Bed
1 Sagging Mattress Support. 【Easy Installation】: The Bed Board can be effortlessly placed under your mattress or sofa wi

£31.33

25 Under Mattress Support Board deals are available from: Amazon, eBay stores, starting from £11.87.
The biggest discount we found is 5% on Sagging Mattress Support | 120 x 60 x 5cm Under Mattress Support Fix Sinking Beds | High Density Foam Insert Pad for Sagging Bed Repair and Extends Life at Amazon.
The lowest price we found is £11.87 while the highest is £140.78.
Prices for the best Under Mattress Support Board deals average at £49.69.
Last updated on September 15, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Under Mattress Support Board.