Mattress Size & Dimension Guide
When deciding the mattress size, the important things to consider are your bedroom’s dimensions and your height. Each of SweetNight products has a preferred UK bed size, so all you need to do is choose the only one that suits you.
What UK Mattresses Sizes Are Available?
| Mattress Size | Dimensions W×L（cm） | Dimensions W x L (feet) |
| Single | 90×190cm | 3’0” x 6’3” |
| Small Double | 120 x 190cm | 4’0″ x 6’3″ |
| Double | 135 x 190cm | 4’6″ x 6’3″ |
| King | 150 x 200cm | 5’0″ x 6’6″ |
| Super King | 180 x 200cm | 6’0″ x 6’6″ |
Which Mattress Is Right For You?
- Out of StockSale!
Ocean Blue | 8 Inches Hybrid Mattress
- £237.00 – £454.00
- Select options
- Sale!
Twilight | Pocket Sprung Mattress
- £311.00 – £696.00
- Select options
- Sale!
Island | Pocket Spring Mattress
- £288.00 – £622.00
- Select options
Frequently Asked Questions
It depends on how big your bed is and how much space you have in your room. Please see more information on our specific size guide pages: Single Size Mattress, Small Double Size Mattress, Double Size Mattress, King Size Mattress, and Super King Size Mattress.
A standard double mattress is 135cm wide and 190cm long. Double mattresses are the most common mattress size as they are ideal for two people and fit most bedrooms. If you want to make the most of your bedroom space, try a double mattress.
Small double mattresses are slightly smaller than double mattresses, so if you have limited space in your room or are on a budget, you can opt for a small double mattress
Our Service Promise To You
10-year warranty
Free shipping and returns
100-night risk-free trial
Suit all sleeping positions
