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23cm Deep Open Coil Spring Mattress - Single / Small Double / Double / King Size

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Ortho Mattresses
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Our Price From: £149.99
RRP £299.00

Firmness Rating

* firmness will also depend on body weight

  • Soft
  • Medium/Soft
  • Medium
  • Medium/Firm
  • Firm

Quality Comfort

  • Made in Britain

  • Safety Tested

  • Flame Retardant

  • Hypo Allergenic

  • Coil Springs

Why shop with Crazypricebeds.com?

  • Fast & Free Delivery to UK Mainland
  • Up to 70% off the RRP! 
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  • Rated 'EXCELLENT' on Trustpilot 
  • 1000's of beds sold every month!
  • UK based independent company 


  • 23cm deep
  • Traditional open coil spring system
  • High density support foam layered support
  • Stitched bound border support - no roll off!
  • Quilted cover which promotes air circulation
  • Medium rating
  • Heat and pressure sensitive
  • Hypo-allergenic / anti-dust mite / sanitised fabric
  • SATRA Tested & certificated

Product description:

A traditional open coil spring mattress made with quality 13.5-gauge metal springs. The spring system is encapsulated in layers of high-density support foam. The mattress is fitted with a quilted, breathable protective cover with stitched bound border support. This spring mattress is of medium firmness and has a bit more bounce compared to memory foam or pocket sprung mattresses which are firmer.

Note: As our mattresses are vacuum rolled, we advise 72 hours for the mattress to inflate to its full depth.

**Please note there may be slight differences in the cover design and features pictured due to changes in supplier materials**


- Fantastic quality traditional mattress at a super low price

- Vacuum rolled for easy handling 

- Medium rating

- Save £££'s compared to branded high street spring mattresses

Super feature

Our mattress has a quilted cover to provide a flatter more comfortable sleeping surface as opposed to tufted covers, which may look posh but they can get uncomfortable. 

The mattress cover is made from breathable knitted fabric to promote air circulation for a more comfortable night's sleep.

The cover has stitched bound border support - support all the way to the edge!

**Please note there may be slight differences in the cover design and features pictured due to changes in supplier materials**

What's Inside?

The traditional bonnell coil spring system is fully encapsulated in high-quality super thick super dense support foam. This is a special type of foam used in furniture manufacture to ensure longevity. 

Bonnell coil springs are thick hourglass shaped coils all threaded together to create a strong and stable support system. 



What we think

Sarah - Marketing: ' I have a couple of these spring mattresses on the harlow guest bed in my spare room. My friends who have slept over say they are really comfy, and i think they are great value. I love lounging on them when i am reading or chilling out. The firmness is about a medium, with a bit of springyness, so they are a good all-round mattress.' 

Mattress compatibility

All our mattresses fit UK standard 3ft, 4ft, 4ft6”, 5ft bed frames. If you have an EU size bed frame it will not fit properly. 

3ft UK Single: 90cm x 190cm / 3”x 6’3”

4ft UK Small Double:  120cm  190cm / 4"0 x 6'3"

4ft6 UK Double: 135cm x 190cm / 4’6 x 6’3”

5ft UK King: 150cm x 200cm / 5” x 6’6”



Delivery is Fast & FREE to UK mainland!

  • All products available to order are in stock, which means no long wait times!
  • Deliveries will be made within 5 working days*.
  • We do not ship to offshore postcodes, Scottish Highlands and Northern Ireland.
  • We do ship to Scilly Isles & Isle of Wight, however, there is a £15 surcharge for these areas from our courier. Our full Delivery & Returns Information as well as FAQ can be found by following the Delivery Info link.
    *please allow up to 7 working days due to the ongoing impact of COVID
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