Best Side Sleeper Mattresses UK
Updated May 2025
Join the millions that have trusted BuyersGuide.org's expert reviews and data-driven recommendations. Our curated mattress list includes memory foam and hybrid options with features for all types of sleep needs.
Best Side Sleeper Mattresses UK
2025 Buyer's GuideUpdated May 2025
1
60% Off Any Mattress
- Sizes: Single, Double, King, Super King
- Materials: Hybrid memory foam and innerspring coils
- Firmness: Medium luxury firm
- Delivery: Free named day delivery, ships in 2 days
- Trial Period: 365-night in-home trial
- Warranty: Everlong Warranty™
- Financing Options: DivideBuy
1
60% Off Any Mattress
From £351.13
- Sizes: Single, Double, King, Super King
- Materials: Hybrid memory foam and innerspring coils
- Firmness: Medium luxury firm
- Delivery: Free named day delivery, ships in 2 days
- Trial Period: 365-night in-home trial
- Warranty: Everlong Warranty™
- Financing Options: DivideBuy
2
25% Off Select Mattresses
- Sizes: Single, Small Double, Double, King
- Materials: Cooling graphite-infused foam with microsprings
- Firmness: Medium firm
- Delivery: Free delivery & mattress removal
- Trial Period: 200-night in home trial
- Warranty: 10 year guarantee
- Financing Options: DivideBuy
2
25% Off Select Mattresses
From £319
- Sizes: Single, Small Double, Double, King
- Materials: Cooling graphite-infused foam with microsprings
- Firmness: Medium firm
- Delivery: Free delivery & mattress removal
- Trial Period: 200-night in home trial
- Warranty: 10 year guarantee
- Financing Options: DivideBuy
3
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Up to 21% Off Mattresses
- Sizes: Single, Small Double, Double, King, Super King
- Materials: Gel-inflused memory foam with cooling cover
- Firmness: Medium
- Delivery: In stock, free named day delivery & returns, ships in 1-3 business days
- Trial Period: 365-night in-home trial
- Warranty: Nectar Forever Warranty™
- Financing Options: DivideBuy
3
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Up to 21% Off Mattresses
From £375.25
- Sizes: Single, Small Double, Double, King, Super King
- Materials: Gel-inflused memory foam with cooling cover
- Firmness: Medium
- Delivery: In stock, free named day delivery & returns, ships in 1-3 business days
- Trial Period: 365-night in-home trial
- Warranty: Nectar Forever Warranty™
- Financing Options: DivideBuy
4
Save up to £500 + Free Pillows & Protector
- Sizes: Single, small double, double, long small double,long double, king, super king, euro-king
- Materials: Perfect balance of comfort and support, relaxing pressure points, providing vital support
- Firmness: Soft, medium, medium with springs, firm
- Delivery: Free mainland UK delivery
- Trial Period: 100-night in-home trial
- Warranty: Up to 15 years
- Financing Options: Novuna
4
Save up to £500 + Free Pillows & Protector
From £1,499
- Sizes: Single, small double, double, long small double,long double, king, super king, euro-king
- Materials: Perfect balance of comfort and support, relaxing pressure points, providing vital support
- Firmness: Soft, medium, medium with springs, firm
- Delivery: Free mainland UK delivery
- Trial Period: 100-night in-home trial
- Warranty: Up to 15 years
- Financing Options: Novuna
5
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Summer Bank Holiday Sale - Up to 40% Off
- Sizes: Single, Double, King, Super King
- Materials: Five layers of cloudlike comfort with one layer of pocketed springs for maximum support and cooling
- Firmness: Medium firm
- Delivery: Free delivery and returns
- Trial Period: 365-night in-home trial
- Warranty: 10-year warranty
- Financing Options: DivideBuy
5
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Summer Bank Holiday Sale - Up to 40% Off
From £314.30
- Sizes: Single, Double, King, Super King
- Materials: Five layers of cloudlike comfort with one layer of pocketed springs for maximum support and cooling
- Firmness: Medium firm
- Delivery: Free delivery and returns
- Trial Period: 365-night in-home trial
- Warranty: 10-year warranty
- Financing Options: DivideBuy
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5% Off Your 1st Order, code SAVE5
- Sizes: Single, double, king, super king
- Materials: 1,000 individually wrapped pocket springs, soft breathable cover, high density support foam
- Firmness: Soft/medium, medium, medium/firm
- Delivery: Free delivery and set-up
- Trial Period: 100-night in-home trial
- Warranty: Up to 5-year guarantee
- Financing Options: DivideBuy, Clearpay, Klarna
6
5% Off Your 1st Order, code SAVE5
From £259
- Sizes: Single, double, king, super king
- Materials: 1,000 individually wrapped pocket springs, soft breathable cover, high density support foam
- Firmness: Soft/medium, medium, medium/firm
- Delivery: Free delivery and set-up
- Trial Period: 100-night in-home trial
- Warranty: Up to 5-year guarantee
- Financing Options: DivideBuy, Clearpay, Klarna
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8
Bank Holiday Sale - Up to 55% Off
- Sizes: European, small single, single, small double, double, king size, super king
- Materials: Pressure-relieving memory foam, supportive pocket spring, and natural latex options
- Firmness: Soft-medium, medium, medium-firm, firm, extra firm
- Delivery: Free delivery
- Trial Period: 60-night in-home trial
- Warranty: Up to 20-year warranty
- Financing Options: Klarna
8
Bank Holiday Sale - Up to 55% Off
From £191.21
- Sizes: European, small single, single, small double, double, king size, super king
- Materials: Pressure-relieving memory foam, supportive pocket spring, and natural latex options
- Firmness: Soft-medium, medium, medium-firm, firm, extra firm
- Delivery: Free delivery
- Trial Period: 60-night in-home trial
- Warranty: Up to 20-year warranty
- Financing Options: Klarna
9
Save 15% When You Buy 3 or More Items
- Sizes: Single, double, king, super king
- Materials: Eco-friendly organic natural latex, organic cotton, and sheep wool
- Firmness: Medium-firm
- Delivery: Free delivery and returns
- Trial Period: 101-night at-home trial
- Warranty: 5-year warranty
- Financing Options: Klarna
9
Save 15% When You Buy 3 or More Items
From £699
- Sizes: Single, double, king, super king
- Materials: Eco-friendly organic natural latex, organic cotton, and sheep wool
- Firmness: Medium-firm
- Delivery: Free delivery and returns
- Trial Period: 101-night at-home trial
- Warranty: 5-year warranty
- Financing Options: Klarna
Our Top Choice
1
60% Off Any Mattress
- Sizes: Single, Double, King, Super King
- Materials: Hybrid memory foam and innerspring coils
- Firmness: Medium luxury firm
- Delivery: Free named day delivery, ships in 2 days
- Trial Period: 365-night in-home trial
- Warranty: Everlong Warranty™
- Financing Options: DivideBuy
1
60% Off Any Mattress
From £351.13
- Sizes: Single, Double, King, Super King
- Materials: Hybrid memory foam and innerspring coils
- Firmness: Medium luxury firm
- Delivery: Free named day delivery, ships in 2 days
- Trial Period: 365-night in-home trial
- Warranty: Everlong Warranty™
- Financing Options: DivideBuy
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