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    Back to Double Mattresses
    Home Page Mattresses Double Mattresses Firm Tension
    Firm Tension

    Firm Double Mattresses

    Our firm double mattresses offer enhanced support for back and stomach sleepers, helping to maintain a healthy posture throughout the night.

    Crafted from high-quality materials, including pocket springs and firm foam layers, each mattress provides long-lasting structure and comfort. Discover trusted brands such as Postureflex and Deepsleep, all with free delivery.

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    Size

    Small Single (2'6") (8) Small Single (2'6")
    Single (3'0") (19) Single (3'0")
    Small Double (4'0") (16) Small Double (4'0")
    Double (4'6") (19) Double (4'6")
    King Size (5'0") (19) King Size (5'0")
    Super King (6'0") (19) Super King (6'0")
    Super King Zip & Link (3) Super King Zip & Link

    Manufacturer

    Linthorpe Beds (1) Linthorpe Beds
    Enchanted House (1) Enchanted House
    Espoir (4) Espoir
    Silentnight (7) Silentnight
    Sleepeezee (3) Sleepeezee
    Sluma (3) Sluma

    Delivery Speed

    Next Day (7) Next Day
    2 Days (4) 2 Days
    2 Weeks (6) 2 Weeks
    3 Weeks (2) 3 Weeks

    Mattress Core

    Continuous Coil (3) Continuous Coil
    Open Coil (3) Open Coil
    Pocket Springs (13) Pocket Springs

    Mattress Tension

    Firm (15) Firm
    Medium (2) Medium
    Medium to Soft (2) Medium to Soft

    Mattress Fillings

    Airmesh™ Comfort Layer (1) Airmesh™ Comfort Layer
    Cotton and Viscose (2) Cotton and Viscose
    Dual Gel Foam (3) Dual Gel Foam
    Natural Fillings (3) Natural Fillings
    Polyester (2) Polyester
    Soft White Fillings (3) Soft White Fillings
    UltraGel™ layer (1) UltraGel™ layer
    Wool, Silk and Cashmere (1) Wool, Silk and Cashmere
    Wool, Silk, Cotton and Cashmere (1) Wool, Silk, Cotton and Cashmere

    Mattress Depth

    Average (6) Average
    Deep (9) Deep

    Care

    Non Turn (9) Non Turn
    Reversible (10) Reversible
    Filter icon Filters
    Showing all of 19 results
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    Silentnight Elite Sage Miracoil Mattress

    Silentnight Elite Sage Miracoil Mattress

    Our Price £299.95 inc. VAT
    Price £429.00 inc. VAT
    You Save £129.05 (30%)
    Miracoil® Spring System Eco Comfort™ Fibre 5 Year Guarantee Firm Tension 27cm / 10½ Inches Deep
    Silentnight Logo
    Delivery logo Next Day Size Availability
    Sizes Available
    Price
    Stock
    Single (3'0")
    £299.95
    Next Day
    Small Double (4'0")
    £329.95
    Next Day
    Double (4'6")
    £329.95
    Next Day
    King Size (5'0")
    £379.95
    Next Day
    Super King (6'0")
    £429.95
    Next Day
    Add to Basket
    Silentnight Airmesh Air Support 2030 Mattress

    Silentnight Airmesh Air Support 2030 Mattress

    Our Price £479.95 inc. VAT
    Price £779.00 inc. VAT
    You Save £299.05 (38%)
    2000 Mirapocket® Springs Eco Comfort™ Fibre 5 Year Guarantee Firm Tension 32cm / 12½ Inches Deep
    Silentnight Logo
    Delivery logo Next Day Size Availability
    Sizes Available
    Price
    Stock
    Single (3'0")
    £479.95
    Next Day
    Double (4'6")
    £629.95
    Next Day
    King Size (5'0")
    £749.95
    Next Day
    Super King (6'0")
    £919.95
    Next Day
    Add to Basket
    Espoir Eminence 3000 Mattress

    Espoir Eminence 3000 Mattress

    Price Call Today: 01642 613684 inc. VAT
    3000 Pocket Springs Fillings Specification : Natural Fillings 5 Year Guarantee Medium Tension
    Espoir Logo
    Delivery logo 3 Weeks Size Availability
    Sizes Available
    Price
    Stock
    Small Single (2'6")
    £0.00
    Single (3'0")
    £0.00
    Small Double (4'0")
    £0.00
    Double (4'6")
    £0.00
    King Size (5'0")
    £0.00
    Super King (6'0")
    £0.00
    Add to Basket
    Espoir Eternity 3000 Mattress

    Espoir Eternity 3000 Mattress

    Price Call Today: 01642 613684 inc. VAT
    3000 Pocket Springs Fillings Specification : Natural Fillings 5 Year Guarantee Medium to Soft Tension
    Espoir Logo
    Delivery logo 3 Weeks Size Availability
    Sizes Available
    Price
    Stock
    Small Single (2'6")
    £0.00
    Single (3'0")
    £0.00
    Small Double (4'0")
    £0.00
    Double (4'6")
    £0.00
    King Size (5'0")
    £0.00
    Super King (6'0")
    £0.00
    Add to Basket
    Espoir Ortho Natural 2000 Mattress

    Espoir Ortho Natural 2000 Mattress

    Price Call Today: 01642 613684 inc. VAT
    2000 Pocket Springs Fillings Specification : Natural Fillings 5 Year Guarantee Firm Tension
    Espoir Logo
    Delivery logo 2 Days Size Availability
    Sizes Available
    Price
    Stock
    Small Single (2'6")
    £0.00
    Single (3'0")
    £0.00
    Small Double (4'0")
    £0.00
    Double (4'6")
    £0.00
    King Size (5'0")
    £0.00
    Super King (6'0")
    £0.00
    Add to Basket
    Sluma Hibernia Ortho Mattress
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    Sluma Hibernia Ortho Mattress

    Our Price £199.95 inc. VAT
    Price £221.00 inc. VAT
    You Save £21.05 (10%)
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    Open Coil Springs Polyester Blend 12 Months Guarantee Firm Tension 25cm / 10 Inches Deep
    Sluma Logo
    Delivery logo 2 Days Size Availability
    Sizes Available
    Price
    Stock
    Small Single (2'6")
    £199.95
    2 Days
    Single (3'0")
    £199.95
    2 Days
    Small Double (4'0")
    £249.95
    2 Days
    Double (4'6")
    £249.95
    2 Days
    King Size (5'0")
    £299.95
    2 Days
    Super King (6'0")
    £369.95
    2 Days
    Add to Basket
    Sluma Britannia 1500 Mattress
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    Sluma Britannia 1500 Mattress

    Our Price £269.95 inc. VAT
    Price £322.00 inc. VAT
    You Save £52.05 (16%)
    TRY ME INSTORE TODAY
    1500 Pocket Springs Polyester Blend 12 Months Guarantee Firm Tension 25cm / 10 Inches Deep
    Sluma Logo
    Delivery logo 2 Days Size Availability
    Sizes Available
    Price
    Stock
    Small Single (2'6")
    £269.95
    2 Days
    Single (3'0")
    £269.95
    2 Days
    Small Double (4'0")
    £319.95
    2 Days
    Double (4'6")
    £319.95
    2 Days
    King Size (5'0")
    £369.95
    2 Days
    Super King (6'0")
    £489.95
    2 Days
    Add to Basket
    Sluma Orthocare Mattress

    Sluma Orthocare Mattress

    Our Price £169.95 inc. VAT
    Price £196.00 inc. VAT
    You Save £26.05 (13%)
    Open Coil Springs Polyester Blend 12 Months Guarantee Firm Tension 23cm / 9 Inches Deep
    Sluma Logo
    Delivery logo 2 Weeks Size Availability
    Sizes Available
    Price
    Stock
    Small Single (2'6")
    £169.95
    2 Weeks
    Single (3'0")
    £169.95
    2 Weeks
    Small Double (4'0")
    £209.95
    2 Weeks
    Double (4'6")
    £209.95
    2 Weeks
    King Size (5'0")
    £249.95
    2 Weeks
    Super King (6'0")
    £319.95
    2 Weeks
    Add to Basket
    Sleepeezee Jessica Performance 2800 Mattress

    Sleepeezee Jessica Performance 2800 Mattress

    Price Call Today: 01642 613684 inc. VAT
    2800 Pocket Springs Polyester Blend 10 Year Guarantee Medium Tension 29cm / 11 Inches Deep
    Sleepeezee logo
    Delivery logo Next Day Size Availability
    Sizes Available
    Price
    Stock
    Single (3'0")
    £0.00
    Small Double (4'0")
    £0.00
    Double (4'6")
    £0.00
    King Size (5'0")
    £0.00
    Super King (6'0")
    £0.00
    Super King Zip & Link
    £0.00
    Add to Basket
    Sleepeezee Jessica Deluxe 3700 Mattress

    Sleepeezee Jessica Deluxe 3700 Mattress

    Price Call Today: 01642 613684 inc. VAT
    Polyester Blend 10 Year Guarantee Medium to Soft Tension
    Sleepeezee logo
    Delivery logo Next Day Size Availability
    Sizes Available
    Price
    Stock
    Single (3'0")
    £0.00
    Small Double (4'0")
    £0.00
    Double (4'6")
    £0.00
    King Size (5'0")
    £0.00
    Super King (6'0")
    £0.00
    Super King Zip & Link
    £0.00
    Add to Basket
    Sleepeezee Jessica Ortho 1600 Mattress

    Sleepeezee Jessica Ortho 1600 Mattress

    Price Call Today: 01642 613684 inc. VAT
    1600 Pocket Springs Polyester Blend 10 Year Guarantee Firm Tension 25cm / 10 Inches Deep
    Sleepeezee logo
    Delivery logo Next Day Size Availability
    Sizes Available
    Price
    Stock
    Single (3'0")
    £0.00
    Small Double (4'0")
    £0.00
    Double (4'6")
    £0.00
    King Size (5'0")
    £0.00
    Super King (6'0")
    £0.00
    Super King Zip & Link
    £0.00
    Add to Basket
    Espoir Ortho Natural 1000 Mattress

    Espoir Ortho Natural 1000 Mattress

    Price Call Today: 01642 613684 inc. VAT
    1000 Pocket Springs Fillings Specification : Natural Fillings 5 Year Guarantee Firm Tension
    Espoir Logo
    Delivery logo 2 Days Size Availability
    Sizes Available
    Price
    Stock
    Small Single (2'6")
    £0.00
    Single (3'0")
    £0.00
    Small Double (4'0")
    £0.00
    Double (4'6")
    £0.00
    King Size (5'0")
    £0.00
    Super King (6'0")
    £0.00
    Add to Basket
    Enchanted House Spreyton 1000 Mattress
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    Enchanted House Spreyton 1000 Mattress

    Our Price £649.95 inc. VAT
    Price £939.00 inc. VAT
    You Save £289.05 (31%)
    TRY ME INSTORE TODAY
    1000 Pocket Springs Luxurious Natural Fillings Firm Tension 23cm / 9 Inches Deep
    Enchanted House Logo
    Delivery logo Next Day Size Availability
    Sizes Available
    Price
    Stock
    Single (3'0")
    £649.95
    5 Weeks
    Double (4'6")
    £799.95
    Next Day
    King Size (5'0")
    £949.95
    5 Weeks
    Super King (6'0")
    £1,099.95
    5 Weeks
    Add to Basket
    Silentnight UltraGel 1400 Pocket Mattress
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    Silentnight UltraGel 1400 Pocket Mattress

    Our Price £599.95 inc. VAT
    Price £819.00 inc. VAT
    You Save £219.05 (27%)
    TRY ME INSTORE TODAY
    Core Specification : 1400 Mirapocket® Springs Gel 5 Year Guarantee Firm Tension 29cm / 11 Inches Deep
    Silentnight Logo
    Delivery logo 2 Weeks Size Availability
    Sizes Available
    Price
    Stock
    Single (3'0")
    £599.95
    2 Weeks
    Small Double (4'0")
    £799.95
    2 Weeks
    Double (4'6")
    £799.95
    2 Weeks
    King Size (5'0")
    £949.95
    2 Weeks
    Super King (6'0")
    £1,149.95
    2 Weeks
    Add to Basket
    Silentnight Elite Luxuriant Natural Pocket 1400 Mattress
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    Silentnight Elite Luxuriant Natural Pocket 1400 Mattress

    Our Price £549.95 inc. VAT
    Price £769.00 inc. VAT
    You Save £219.05 (28%)
    TRY ME INSTORE TODAY
    1400 Pocket Springs Fillings Specification : Silk, Cashmere & Wool 5 Year Guarantee Firm Tension 28cm / 11 Inches Deep
    Silentnight Logo
    Delivery logo Next Day Size Availability
    Sizes Available
    Price
    Stock
    Single (3'0")
    £549.95
    2 Weeks
    Small Double (4'0")
    £699.95
    2 Weeks
    Double (4'6")
    £699.95
    Next Day
    King Size (5'0")
    £849.95
    Next Day
    Super King (6'0")
    £949.95
    2 Weeks
    Add to Basket
    Silentnight Allegro Natural Pocket 1400 Mattress

    Silentnight Allegro Natural Pocket 1400 Mattress

    Our Price £489.95 inc. VAT
    Price £719.00 inc. VAT
    You Save £229.05 (32%)
    Core Specification : 1400 Mirapocket® Springs Natural Wool 5 Year Guarantee Firm Tension 33cm / 13 Inches Deep
    Silentnight Logo
    Delivery logo 2 Weeks Size Availability
    Sizes Available
    Price
    Stock
    Single (3'0")
    £489.95
    2 Weeks
    Double (4'6")
    £619.95
    2 Weeks
    King Size (5'0")
    £749.95
    2 Weeks
    Super King (6'0")
    £839.95
    2 Weeks
    Add to Basket
    Linthorpe Beds Orthocare Mattress

    Linthorpe Beds Orthocare Mattress

    Our Price £169.95 inc. VAT
    Price £196.00 inc. VAT
    You Save £26.05 (13%)
    Open Coil Springs Polyester Blend 12 Months Guarantee Firm Tension 23cm / 9 Inches Deep
    Linthorpe Beds Logo
    Delivery logo 2 Weeks Size Availability
    Sizes Available
    Price
    Stock
    Small Single (2'6")
    £169.95
    2 Weeks
    Single (3'0")
    £169.95
    2 Weeks
    Small Double (4'0")
    £209.95
    2 Weeks
    Double (4'6")
    £209.95
    2 Weeks
    King Size (5'0")
    £249.95
    2 Weeks
    Super King (6'0")
    £319.95
    2 Weeks
    Add to Basket
    Silentnight Rio Miracoil Cushion Top Mattress

    Silentnight Rio Miracoil Cushion Top Mattress

    Our Price £259.95 inc. VAT
    Price £389.00 inc. VAT
    You Save £129.05 (33%)
    Miracoil® Spring System Fillings Specification : EcoComfort Fibre® 5 Year Guarantee Firm Tension 24cm / 9½ Inches Deep
    Silentnight Logo
    Delivery logo 2 Weeks Size Availability
    Sizes Available
    Price
    Stock
    Single (3'0")
    £259.95
    2 Weeks
    Small Double (4'0")
    £359.95
    2 Weeks
    Double (4'6")
    £359.95
    2 Weeks
    King Size (5'0")
    £419.95
    2 Weeks
    Super King (6'0")
    £499.95
    2 Weeks
    Add to Basket
    Silentnight Amsterdam Miracoil Mattress

    Silentnight Amsterdam Miracoil Mattress

    Our Price £289.95 inc. VAT
    Price £429.00 inc. VAT
    You Save £139.05 (32%)
    Miracoil® Spring System Fillings Specification : EcoComfort Fibre® 5 Year Guarantee Firm Tension 24cm / 9½ Inches Deep
    Silentnight Logo
    Delivery logo 2 Weeks Size Availability
    Sizes Available
    Price
    Stock
    Single (3'0")
    £289.95
    2 Weeks
    Small Double (4'0")
    £389.95
    2 Weeks
    Double (4'6")
    £389.95
    2 Weeks
    King Size (5'0")
    £449.95
    2 Weeks
    Super King (6'0")
    £549.95
    2 Weeks
    Add to Basket
    Showing all of 19 results
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    Custom Size Mattresses

    If you’re after a firm mattress but need a bespoke size, such as for a custom or antique bed frame, explore our custom mattress options. You can order a mattress to your exact dimensions and firmness level, so you can have the size and shape you need without compromising on firmness.

    Double Beds

    If you’re looking to fully spruce up your bedroom, pair your new mattress with a double bed. Choose from our wide range of divan sets, bases and frames.

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    Call one of our sleep experts on 01642 613684 01642 613684
    Or email us at sales@linthorpebeds.co.uk

    Our Stores

    Stockton Store Location
    Portrack Lane Stockton-On-Tees, TS18 2RB Tel: 01642 602160 Tel: 01642 602160
    Darlington Store Location
    Russell Street Darlington, DL1 1PT Tel: 01325 351477 Tel: 01325 351477

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