Under mattress support
Under mattress support for sale on Ireland's largest auction and classifieds sites
Sagging mattress support - sagging, - £20.17
Sagging mattress support • High density sponge • Mattresses improving sleeping - Free postage - New and Used
Sagging mattress support • High density sponge • Mattresses improving sleeping - Free postage - New and Used
Sagging mattress support pad - sagging, - £16.36
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Super king under mattress bed - super, - £119.99
Through experience have • Found 9mm ideal • Thickness strong enough - Free postage - New and Used
Through experience have • Found 9mm ideal • Thickness strong enough - Free postage - New and Used
Double bed under mattress - , - £89.99
Through experience have • Found 9mm ideal • Thickness strong enough - Free postage - New and Used
Through experience have • Found 9mm ideal • Thickness strong enough - Free postage - New and Used
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4ft small double - 4ft, - £49.99
Double 4ft 190cm • 122cm through experience • Have found 9mm - Free postage - New and Used
Double 4ft 190cm • 122cm through experience • Have found 9mm - Free postage - New and Used
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48 listings · from £15.66 · avg £37.87
Browse 48 under mattress support listings currently in our index. Prices range from £15.66 to £119.99, with an average of £37.87. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about under mattress support →
4ft small double - small, under - £53.00
Set includes three • Panels our smooth • 9mm plywood excellent - Free postage - New and Used
Set includes three • Panels our smooth • 9mm plywood excellent - Free postage - New and Used
4ft small double - double, under - £53.00
Set includes three • Panels our smooth • 9mm plywood excellent - Free postage - New and Used
Set includes three • Panels our smooth • 9mm plywood excellent - Free postage - New and Used
4ft small double - 4ft, - £53.00
Set includes three • Panels our smooth • 9mm plywood excellent - Free postage - New and Used
Set includes three • Panels our smooth • 9mm plywood excellent - Free postage - New and Used
Bed rail safety assist - bed, - £24.99
Improve safety independence • This bed rail • Assist handle provide - Free postage - New and Used
Improve safety independence • This bed rail • Assist handle provide - Free postage - New and Used
Sagging mattress support pad - mattress, - £17.27
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging mattress support under - mattress, - £17.00
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Packs single bed bunkie - x, - £65.00
Our smooth 9mm • Plywood excellent choice • Supporting bed base - Free postage - New and Used
Our smooth 9mm • Plywood excellent choice • Supporting bed base - Free postage - New and Used
Double bed under mattress - bed, - £94.00
Set includes three • Panels our smooth • 9mm plywood excellent - Free postage - New and Used
Set includes three • Panels our smooth • 9mm plywood excellent - Free postage - New and Used
Double bed under mattress - bed, - £94.00
Set includes three • Panels our smooth • 9mm plywood excellent - Free postage - New and Used
Set includes three • Panels our smooth • 9mm plywood excellent - Free postage - New and Used
Sagging mattress support under - support, - £34.96
Sagging mattress support • High density sponge • Mattresses improving sleeping - Free postage - New and Used
Sagging mattress support • High density sponge • Mattresses improving sleeping - Free postage - New and Used
Sagging mattress support under - mattress, - £37.74
Sagging mattress support • Versatile use under • Board suitable variety - Free postage - New and Used
Sagging mattress support • Versatile use under • Board suitable variety - Free postage - New and Used
Sponge mattress support pad - sponge, - £21.94
Functionality effectively prevents • Further mattress sinking • Reinforcing weak sunken - Free postage - New and Used
Functionality effectively prevents • Further mattress sinking • Reinforcing weak sunken - Free postage - New and Used
Sagging mattress support - sagging, - £17.00
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging mattress support - sagging, under - £16.64
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging mattress support pad - sagging, - £17.27
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Firm pad fix - to, - £19.73
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging mattress support pad - mattress, - £16.12
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Double bed under mattress - double, /bed - £94.00
Set includes three • Panels our smooth • 9mm plywood excellent - Free postage - New and Used
Set includes three • Panels our smooth • 9mm plywood excellent - Free postage - New and Used
4ft small double under - 4ft, - £53.00
Sizes single 4ft • Double kingsize set • Includes three panels - Free postage - New and Used
Sizes single 4ft • Double kingsize set • Includes three panels - Free postage - New and Used
Sagging mattress support high - sagging, - £18.30
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging mattress support - sagging, - £16.09
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging cushion support under - sagging, - £21.14
Sagging couch cushion • Support design sofa • Features curved shape - Free postage - New and Used
Sagging couch cushion • Support design sofa • Features curved shape - Free postage - New and Used
Sagging mattress support - mattress, - £16.64
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Support cushions for sagging - cushions, - £18.01
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging mattress support pad - support, - £15.66
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging mattress support under - support, - £39.73
Sagging mattress support • Versatile use under • Board suitable variety - Free postage - New and Used
Sagging mattress support • Versatile use under • Board suitable variety - Free postage - New and Used
Sagging mattress support - sagging, - £37.88
Sagging mattress support • High density sponge • Mattresses improving sleeping - Free postage - New and Used
Sagging mattress support • High density sponge • Mattresses improving sleeping - Free postage - New and Used
Sagging mattress support - sagging, fix - £17.27
Sagging mattress support • Made from quality • Sponge material ensuring - Free postage - New and Used
Sagging mattress support • Made from quality • Sponge material ensuring - Free postage - New and Used
Double bed under mattress - double, - £94.00
Set includes three • Panels our smooth • 9mm plywood excellent - Free postage - New and Used
Set includes three • Panels our smooth • 9mm plywood excellent - Free postage - New and Used
Sagging mattress support under - mattress, - £17.94
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sofa cushion support - sofa, easy - £21.14
Design sofa cushion • Support features curved • Shape classic color - Free postage - New and Used
Design sofa cushion • Support features curved • Shape classic color - Free postage - New and Used
Sagging mattress support - sagging, pad - £19.79
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging mattress support - sagging, - £22.66
Sagging mattress support • Versatile use under • Board suitable variety - Free postage - New and Used
Sagging mattress support • Versatile use under • Board suitable variety - Free postage - New and Used
Sagging mattress support high - mattress, - £30.83
Sagging mattress support • High density sponge • Mattresses improving sleeping - Free postage - New and Used
Sagging mattress support • High density sponge • Mattresses improving sleeping - Free postage - New and Used
Sagging mattress support fix - sagging, - £29.64
Functionality effectively prevents • Further mattress sinking • Reinforcing weak sunken - Free postage - New and Used
Functionality effectively prevents • Further mattress sinking • Reinforcing weak sunken - Free postage - New and Used
Sagging mattress support - mattress, - £16.36
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging mattress support - mattress, high - £38.58
Sagging mattress support • Versatile use under • Board suitable variety - Free postage - New and Used
Sagging mattress support • Versatile use under • Board suitable variety - Free postage - New and Used
Sagging mattress support pad - mattress, - £31.19
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging mattress support - sagging, sofa - £16.78
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Packs single bed - packs, - £65.00
Our smooth 9mm • Plywood excellent choice • Supporting bed base - Free postage - New and Used
Our smooth 9mm • Plywood excellent choice • Supporting bed base - Free postage - New and Used
Sagging mattress support under - mattress, - £42.29
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging mattress support - sagging, - £43.66
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
Sagging mattress support • Pad can effortlessly • Placed under your - Free postage - New and Used
High density indented - high-density,, - £31.24
Easy installation bed • Board can effortlessly • Placed under your - Free postage - New and Used
Easy installation bed • Board can effortlessly • Placed under your - Free postage - New and Used
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Everything you need to know about under mattress support
Whether you are looking for a brand-new or second-hand under mattress support, eBay offers one of the largest selections available online. With 48 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £15.66, while premium listings can reach £119.99 — giving you a wide budget spread to work with. The average price of £37.87 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.