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
Was £334.95
RRP £554.99
Horizon Adventurer 1000 Pocket Memory Mattress
Was £344.95
RRP £665.00
Silentnight Vilana Limited Edition Miracoil Mattress
Was £259.95
RRP £315.00
Sealy Harlow Ortho Plus Mattress
Was £404.95
RRP £519.00
SleepSoul Luna 1500 Ortho Pillow Top Mattress
Was £549.95
RRP £644.99
Aspire Natural Cashmere and Silk 3000 Pocket Mattress
Was £439.95
RRP £569.00
Silentnight Seoul Miracoil Memory Mattress
Was £364.95
RRP £462.00
Bodyshape Value Memory Mattress
Was £234.95
RRP £399.99
Romantica Adagio Extra Firm Mattress
RRP £249.95
Millbrook Wool Ortho 1000 Pocket Mattress
Was £504.95
RRP £789.29
Jay-Be 1000 e-Pocket TRUECORE Eco-Friendly Mattress
Was £299.95
RRP £390.00
Rock Hard Mega Firm 1500 Pocket Mattress
Was £384.95
RRP £479.00
Silentnight UltraGel 1400 Mirapocket Mattress
Was £659.95
RRP £769.00
Jay-Be Bio Cool Hybrid 2000 e-Pocket Mattress
Was £494.95
RRP £620.00
Hypnos Hemsworth Support Mattress
Was £689.95
RRP £1,205.00
Memory Zone 2000 Pocket Mattress
Was £464.95
RRP £709.00
Silentnight Amsterdam Miracoil Ortho Mattress
Was £364.95
RRP £462.00
Millbrook Wool Ortho 1000 Pillow Top Mattress
Was £599.95
RRP £944.06
Silentnight Memory Cool 1000 Mirapocket Mattress
Was £529.95
RRP £679.00
Copper Fresh Envy Supreme Mattress
Was £704.95
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.
Advice and buying guides
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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
