Extra firm mattress
Extra firm mattress for sale on Ireland's largest auction and classifieds sites
Luxe border hybrid - luxe, 3d - £139.99
Discover perfect balance • Comfort support durability • Thesleepi 20cm hybrid - Free postage - New and Used
Discover perfect balance • Comfort support durability • Thesleepi 20cm hybrid - Free postage - New and Used
Luxury orthopaedic pocket 4000 - luxury, - £189.90
Optimal performance unroll • Your mattress allow • Extra hours full - Free postage - New and Used
Optimal performance unroll • Your mattress allow • Extra hours full - Free postage - New and Used
5000 pillow top - 5000, spring - £295.00
Deep mattress 31cm • Reinforced edge support • Why choose this - Free postage - New and Used
Deep mattress 31cm • Reinforced edge support • Why choose this - Free postage - New and Used
Extra hard rock orthopaedic - rock, - £209.99
Extra firm blue • Evenly spreads body • Weight can help - Free postage - New and Used
Extra firm blue • Evenly spreads body • Weight can help - Free postage - New and Used
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Luxury orthopaedic pocket 4000 - orthopaedic, - £146.02
Available sizes 2ft6 • 3ft 4ft 4ft6 • 5ft 6ft safe - Free postage - New and Used
Available sizes 2ft6 • 3ft 4ft 4ft6 • 5ft 6ft safe - Free postage - New and Used
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48 listings · from £49.99 · avg £205.74
⚠️ These listings were last updated more than 13 days ago.
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Browse 48 extra firm mattress listings currently in our index. Prices range from £49.99 to £974, with an average of £205.74. 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 extra firm mattress →
Orthopaedic reflex foam spring - foam, - £53.53
Available sizes 2ft6 • 3ft 4ft 4ft6 • 5ft 6ft orthopaedic - Free postage - New and Used
Available sizes 2ft6 • 3ft 4ft 4ft6 • 5ft 6ft orthopaedic - Free postage - New and Used
Luxury orthopaedic pocket - orthopaedic, 4000 - £168.50
Available sizes 2ft6 • 3ft 4ft 4ft6 • 5ft 6ft safe - Free postage - New and Used
Available sizes 2ft6 • 3ft 4ft 4ft6 • 5ft 6ft safe - Free postage - New and Used
Luxury orthopaedic 4000 - luxury, pocket - £111.25
Available sizes 2ft6 • 3ft 4ft 4ft6 • 5ft 6ft safe - Free postage - New and Used
Available sizes 2ft6 • 3ft 4ft 4ft6 • 5ft 6ft safe - Free postage - New and Used
Luxury orthopedic firm - luxury, - £206.99
Regal orthopedic luxury • Mattress premium comfort • Support built better - Free postage - New and Used
Regal orthopedic luxury • Mattress premium comfort • Support built better - Free postage - New and Used
Memory foam hybrid mattress - memory, - £164.06
Experience balanced comfort • Lasting support thesomnexsleep • Mattress thoughtfully engineered - Free postage - New and Used
Experience balanced comfort • Lasting support thesomnexsleep • Mattress thoughtfully engineered - Free postage - New and Used
Hard rock foam - foam, mattress - £357.38
4ft6 double 135x190cm • 120x190cm somnex sleep • Specialise high quality - Free postage - New and Used
4ft6 double 135x190cm • 120x190cm somnex sleep • Specialise high quality - Free postage - New and Used
Extra firm orthopaedic blue - firm, - £259.99
Extra firm blue • Foam cloud ltd • Evenly spreads body - Free postage - New and Used
Extra firm blue • Foam cloud ltd • Evenly spreads body - Free postage - New and Used
Starnap hybrid 23cm firm - starnap, - £235.00
Hypoallergenic anti dust • Mite enjoy combined • Benefits adaptive foam - Free postage - New and Used
Hypoallergenic anti dust • Mite enjoy combined • Benefits adaptive foam - Free postage - New and Used
Luxury orthopaedic pocket 4000 - luxury, - £135.90
Our mattress suitable • Most sleeping styles • Whether you prefer - Free postage - New and Used
Our mattress suitable • Most sleeping styles • Whether you prefer - Free postage - New and Used
Memory foam mattress - memory, - £113.90
Zones spring supportive • Zoned individual encased • Coils are positioned - Free postage - New and Used
Zones spring supportive • Zoned individual encased • Coils are positioned - Free postage - New and Used
Pocket spring mattress - pocket, - £345.00
Your new mattress • Could develop body • Surface after few - Free postage - New and Used
Your new mattress • Could develop body • Surface after few - Free postage - New and Used
Luxury orthopaedic pocket 4000 - luxury, - £165.90
Our mattress suitable • Most sleeping styles • Whether you prefer - Free postage - New and Used
Our mattress suitable • Most sleeping styles • Whether you prefer - Free postage - New and Used
Open spring mattress - spring, supreme - £344.99
One finest orthopaedic • Mattresses available being • Rated incredibly firm - Free postage - New and Used
One finest orthopaedic • Mattresses available being • Rated incredibly firm - Free postage - New and Used
Border hybrid mattress - hybrid, - £159.99
Durable bonnell spring • System 12.5 gauge • Order now discover - Free postage - New and Used
Durable bonnell spring • System 12.5 gauge • Order now discover - Free postage - New and Used
Visco therapy bliss super - visco, - £220.15
Extra firm orthopaedic • Bliss ortho support • Foam mattress 25cm - Free postage - New and Used
Extra firm orthopaedic • Bliss ortho support • Foam mattress 25cm - Free postage - New and Used
Silentnight special sleep - silentnight, - £215.00
Excellent choice those • Who prefer extra • Support while theno - Free postage - New and Used
Excellent choice those • Who prefer extra • Support while theno - Free postage - New and Used
Arthur sleep cool - cool, rock - £249.00
Arthur sleep cool • Rock hybrid mattress • Extra firm orthopaedic - Free postage - New and Used
Arthur sleep cool • Rock hybrid mattress • Extra firm orthopaedic - Free postage - New and Used
Black firm orthopaedic - firm, 10" - £106.99
Ortho finished layers • Polyester fillings covered • Luxury diamond stitched - Free postage - New and Used
Ortho finished layers • Polyester fillings covered • Luxury diamond stitched - Free postage - New and Used
Luxury super hard - super, orthopedic - £227.99
Are you searching • Mattress that isactually • Firm thisluxury super - Free postage - New and Used
Are you searching • Mattress that isactually • Firm thisluxury super - Free postage - New and Used
5ft king size pocket springs - pocket, - £137.99
These premium safety • First exercise caution • When opening mattress - Free postage - New and Used
These premium safety • First exercise caution • When opening mattress - Free postage - New and Used
Memory foam mattress - foam, - £49.99
Thickness 11cm 16cm • 4ft6 double 190cm • 5ft king 200cm - Free postage - New and Used
Thickness 11cm 16cm • 4ft6 double 190cm • 5ft king 200cm - Free postage - New and Used
Certified refurbished simba - certified, - £974.00
Enjoy simba world • Class comfort support • Hybrid refurbished mattress - Free postage - New and Used
Enjoy simba world • Class comfort support • Hybrid refurbished mattress - Free postage - New and Used
Hotel quality dorchester - quality, - £499.99
Pocket sprung mattress • Contains individual springs • Sewn into its - Free postage - New and Used
Pocket sprung mattress • Contains individual springs • Sewn into its - Free postage - New and Used
Inch luxury orthopaedic - 10, - £89.50
Motion isolation edge • Support individually pocket • High density base - Free postage - New and Used
Motion isolation edge • Support individually pocket • High density base - Free postage - New and Used
Memory foam mattress pocket - foam, - £113.90
Zones spring supportive • Zoned individual encased • Coils are positioned - Free postage - New and Used
Zones spring supportive • Zoned individual encased • Coils are positioned - Free postage - New and Used
Arthur sleep cool pocket - sleep, - £159.00
Arthur sleep cool • Enjoy cooler more • Pocket mattress gel - Free postage - New and Used
Arthur sleep cool • Enjoy cooler more • Pocket mattress gel - Free postage - New and Used
Extra firm mattress - extra, - £213.90
Upgrade your bedroom • This extra firm • Double mattress from - Free postage - New and Used
Upgrade your bedroom • This extra firm • Double mattress from - Free postage - New and Used
Orthopaedic pocket spring 5000 - orthopaedic, - £330.00
Extra firm hard • Those who require • Maximum orthopaedic support - Free postage - New and Used
Extra firm hard • Those who require • Maximum orthopaedic support - Free postage - New and Used
Memory foam mattress - foam, - £254.99
Available mattress sizes • Protector added hygiene • Anddepths suit your - Free postage - New and Used
Available mattress sizes • Protector added hygiene • Anddepths suit your - Free postage - New and Used
25cm luxury memory foam - memory, - £113.39
Comfortable zone hybrid • Foam pocket sprung • Mattress sleep cool - Free postage - New and Used
Comfortable zone hybrid • Foam pocket sprung • Mattress sleep cool - Free postage - New and Used
3000 pocket sprung - sprung, memory - £152.98
Available sizes 2ft6 • 3ft 4ft 4ft6 • 5ft 6ft natural - Free postage - New and Used
Available sizes 2ft6 • 3ft 4ft 4ft6 • 5ft 6ft natural - Free postage - New and Used
Medium firm mattress - firm, all - £159.99
Available all standard • Sizes 2ft6 3ft • 4ft 4ft6 5ft - Free postage - New and Used
Available all standard • Sizes 2ft6 3ft • 4ft 4ft6 5ft - Free postage - New and Used
Full foam hard - foam, mattress - £166.15
This mattress made • Usinghigh density grade • 190 orthopedic foam - Free postage - New and Used
This mattress made • Usinghigh density grade • 190 orthopedic foam - Free postage - New and Used
Pocket spring orthopaedic - pocket, - £240.00
Furthermore our pressure • Relieving comfort fillings • Soft touch knit - Free postage - New and Used
Furthermore our pressure • Relieving comfort fillings • Soft touch knit - Free postage - New and Used
Luxury orthopaedic 4000 pocket - luxury, - £189.90
Optimal performance unroll • Your mattress allow • Extra hours full - Free postage - New and Used
Optimal performance unroll • Your mattress allow • Extra hours full - Free postage - New and Used
High density all - high, foam - £104.99
Product that can • Used addition your • Existing mattress just - Free postage - New and Used
Product that can • Used addition your • Existing mattress just - Free postage - New and Used
5000 pillow top - pillow, pocket - £299.00
Your new mattress • Could develop body • Surface after few - Free postage - New and Used
Your new mattress • Could develop body • Surface after few - Free postage - New and Used
Memory foam mattress - foam, - £179.99
Mattress type king • 152 200 super • Double 120 190 - Free postage - New and Used
Mattress type king • 152 200 super • Double 120 190 - Free postage - New and Used
Double mattress pocket sprung - double, - £65.99
Double mattress • Budget plan this • Model provides you - Free postage - New and Used
Double mattress • Budget plan this • Model provides you - Free postage - New and Used
2ft6,3ft,4ft,4ft6,5ft,6ft - £169.99
2ft6 6ft3 4ft6 • Extra firm 17cm • Deep luxury orthopaedic - Free postage - New and Used
2ft6 6ft3 4ft6 • Extra firm 17cm • Deep luxury orthopaedic - Free postage - New and Used
Special orthopedic super - , firm - £137.74
Super firm mattress • Experience unmatched support • Those who seek - Free postage - New and Used
Super firm mattress • Experience unmatched support • Those who seek - Free postage - New and Used
Luxury orthopaedic pocket 4000 - luxury, - £113.90
Optimal performance unroll • Your mattress allow • Extra hours full - Free postage - New and Used
Optimal performance unroll • Your mattress allow • Extra hours full - Free postage - New and Used
Luxury orthopaedic pocket 4000 - pocket, - £135.90
Optimal performance unroll • Your mattress allow • Extra hours full - Free postage - New and Used
Optimal performance unroll • Your mattress allow • Extra hours full - Free postage - New and Used
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Everything you need to know about extra firm mattress
Whether you are looking for a brand-new or second-hand extra firm mattress, 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 £49.99, while premium listings can reach £974 — giving you a wide budget spread to work with. The average price of £205.74 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.