Small Double Mattresses
Small double mattresses, or 3/4 mattresses, are perfect for smaller bedrooms or solo sleepers who want extra space. Choose from memory foam, latex, gel, and a variety of firmness levels. Shop top UK brands like Silentnight, Emma, and Sleepeezee - all with free next day delivery.
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SleepSoul Bliss 800 Pocket Memory Pillow Top Mattress
RRP £554.99
Horizon Adventurer 1000 Pocket Memory Mattress
RRP £665.00
Silentnight Vilana Limited Edition Miracoil Mattress
RRP £315.00
Sealy Harlow Ortho Plus Mattress
RRP £519.00
SleepSoul Luna 1500 Ortho Pillow Top Mattress
RRP £644.99
Aspire Natural Cashmere and Silk 3000 Pocket Mattress
RRP £569.00
Silentnight Seoul Miracoil Memory Mattress
RRP £462.00
Bodyshape Value Memory Mattress
RRP £399.99
Romantica Adagio Extra Firm Mattress
RRP £249.95
Millbrook Wool Ortho 1000 Pocket Mattress
RRP £789.29
Jay-Be 1000 e-Pocket TRUECORE Eco-Friendly Mattress
RRP £390.00
Rock Hard Mega Firm 1500 Pocket Mattress
RRP £479.00
Silentnight UltraGel 1400 Mirapocket Mattress
RRP £769.00
Jay-Be Bio Cool Hybrid 2000 e-Pocket Mattress
RRP £620.00
Hypnos Hemsworth Support Mattress
RRP £1,205.00
Memory Zone 2000 Pocket Mattress
RRP £709.00
Silentnight Amsterdam Miracoil Ortho Mattress
RRP £462.00
Millbrook Wool Ortho 1000 Pillow Top Mattress
RRP £944.06
Silentnight Memory Cool 1000 Mirapocket Mattress
RRP £679.00
Copper Fresh Envy Supreme Mattress
RRP £999.00
What size is a small double mattress?
Our small double mattresses measure 4' x 6'3" (120cm x 190cm). Also called 3/4 mattresses, they’re perfect for solo sleepers wanting extra space or growing teens.
Is a small double ok for 2 adults?
Yes, however small double bed mattresses are quite snug for two adults. We recommend opting for a larger size if you both want more comfortable sleeping space.
How firm is a small double mattress?
We stock small double mattresses in a range of firmness levels to suit every sleep style:
- Soft-medium - gentle cushioning
- Medium - balanced support
- Medium-firm - great for couples or versatile support
- Firm - extra support, ideal for back sleepers
- Extra firm - our firmest option
Want to know which firmness level is right for you? Read our mattress firmness guide today.
Are there cheap small double mattresses?
Yes, you can find cheap small double mattresses starting from around £160.
Do you have a small double mattress sale?
Yes - we include 4ft small double mattresses in every sale.
We partner with trusted UK brands like Silentnight, Emma, and Sleepeezee to offer great savings on a wide range of comfort levels and styles.
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Why buy from Mattress Online?
Free delivery to most locations
Free next working day delivery on most of our mattresses and beds, or upgrade to weekend delivery.
Free 60-night mattress comfort trial
Test your mattress for 60 nights and if you don't like it, simply swap it.
Old mattress disposal
We can collect and recycle your mattress - saving it from landfill.
Sales Enquiries
Mon-Sat: 9:30am - 5:30pm
Sunday: 10am - 4pm
Customer Service
Mon-Sat: 9:30am - 5:30pm
Sunday: Closed
