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    Back to King Size Mattresses
    Home Page Mattresses King Size Mattresses Medium Tension
    Medium Tension

    Medium King Size Mattresses

    Our medium firmness king size mattresses offer the perfect balance of comfort and support, making them a great choice for couple’s with different sleeping preferences. Choose from pocket sprung, hybrid and memory foam fillings from trusted brands such as Silentnight, Deepsleep and Harrison Spinks. These mattresses adapt to your body while providing dependable support across the full sleeping surface.

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    Size

    King Zip & Link (6) King Zip & Link
    Small Single (2'6") (13) Small Single (2'6")
    Single (3'0") (22) Single (3'0")
    Small Double (4'0") (16) Small Double (4'0")
    Double (4'6") (24) Double (4'6")
    King Size (5'0") (23) King Size (5'0")
    Super King (6'0") (18) Super King (6'0")
    Super King Zip & Link (6) Super King Zip & Link

    Manufacturer

    Linthorpe Beds (7) Linthorpe Beds
    Alpha Bedding Co. (2) Alpha Bedding Co.
    Baker & Wells (3) Baker & Wells
    Harrison Spinks (6) Harrison Spinks
    Silentnight (6) Silentnight

    Delivery Speed

    Next Day (6) Next Day
    Speedy (6) Speedy
    Standard (4) Standard
    2 Days (2) 2 Days
    6 Weeks (6) 6 Weeks

    Mattress Core

    Continuous Coil (2) Continuous Coil
    Foam (1) Foam
    Open Coil (3) Open Coil
    Pocket Springs (15) Pocket Springs

    Mattress Tension

    Choice of tension (6) Choice of tension
    Medium (18) Medium

    Mattress Fillings

    Bamboo, Kapok, Flax and Aloe Vera (2) Bamboo, Kapok, Flax and Aloe Vera
    Memory Foam (5) Memory Foam
    Natural Fillings (7) Natural Fillings
    Polyester (4) Polyester
    Soft White Fillings (1) Soft White Fillings

    Mattress Depth

    Average (11) Average
    Deep (8) Deep
    Shallow (2) Shallow

    Care

    Non Turn (15) Non Turn
    Reversible (8) Reversible
    Filter icon Filters
    Showing all of 24 results
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    Alpha Bedding Co Theta Mattress

    Alpha Bedding Co Theta Mattress

    Our Price £469.95 inc. VAT
    Price £573.00 inc. VAT
    You Save £103.05 (18%)
    Pocket Sprung Super Soft Foam 10 Year Warranty Medium Tension 30cm / 12 Inches Deep
    Alpha Bedding Logo
    Delivery logo 2 Days Size Availability
    Sizes Available
    Price
    Stock
    Double (4'6")
    £469.95
    2 Days
    King Size (5'0")
    £569.95
    2 Days
    Add to Basket
    Alpha Bedding Co Kappa Mattress

    Alpha Bedding Co Kappa Mattress

    Our Price £549.95 inc. VAT
    Price £648.00 inc. VAT
    You Save £98.05 (15%)
    Pocket Sprung Memory Foam 10 Year Warranty Medium Tension 30cm / 12 Inches Deep
    Alpha Bedding Logo
    Delivery logo 2 Days Size Availability
    Sizes Available
    Price
    Stock
    Double (4'6")
    £549.95
    2 Days
    King Size (5'0")
    £649.95
    2 Days
    Add to Basket
    Linthorpe Beds Venetian Haze Mattress
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    Linthorpe Beds Venetian Haze Mattress

    Price £199.95 inc. VAT
    TRY ME INSTORE TODAY
    1000 Pocket Springs Polyester Blend 12 Months Guarantee Medium Tension 24cm / 9½ Inches Deep
    Linthorpe Beds Logo
    Delivery logo Speedy Size Availability
    Sizes Available
    Price
    Stock
    No Thanks
    £0.00
    Yes Please
    £150.00
    7 Days
    Add to Basket
    Silentnight 1400 Plant Based Mattress
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    Silentnight 1400 Plant Based Mattress

    Our Price £649.95 inc. VAT
    Price £869.00 inc. VAT
    You Save £219.05 (25%)
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    Core Specification : 1400 Mirapocket® Springs Fillings Specification : Natural Fillings 5 Year Guarantee Medium Tension 26cm / 10 Inches Deep
    Silentnight Logo
    Delivery logo Next Day Size Availability
    Sizes Available
    Price
    Stock
    Single (3'0")
    £649.95
    2 Weeks
    Double (4'6")
    £729.95
    2 Weeks
    King Size (5'0")
    £779.95
    Next Day
    Super King (6'0")
    £899.95
    2 Weeks
    Add to Basket
    Silentnight 1600 Plant Based Mattress
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    Silentnight 1600 Plant Based Mattress

    Our Price £649.95 inc. VAT
    Price £889.00 inc. VAT
    You Save £239.05 (27%)
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    Fillings Specification : Natural Fillings 5 Year Guarantee Medium Tension 31cm / 12 Inches Deep
    Silentnight Logo
    Delivery logo Next Day Size Availability
    Sizes Available
    Price
    Stock
    Single (3'0")
    £649.95
    2 Weeks
    Double (4'6")
    £729.95
    Next Day
    King Size (5'0")
    £779.95
    Next Day
    Super King (6'0")
    £899.95
    2 Weeks
    Add to Basket
    Harrison Spinks Valentina 26750 Mattress
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    Harrison Spinks Valentina 26750 Mattress

    Our Price £2,499.95 inc. VAT
    Price £2,749.95 inc. VAT
    You Save £250.00 (9%)
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    Luxurious Natural Fillings 10 Year Warranty Choice of Mattress Tension 29cm / 11 Inches Deep
    Harrison Spinks Logo
    Delivery logo 6 Weeks Size Availability
    Sizes Available
    Price
    Stock
    Small Single (2'6")
    £2,499.95
    6 Weeks
    Single (3'0")
    £2,499.95
    6 Weeks
    Small Double (4'0")
    £3,449.95
    6 Weeks
    Double (4'6")
    £3,449.95
    6 Weeks
    King Size (5'0")
    £3,804.95
    6 Weeks
    Super King (6'0")
    £4,749.95
    6 Weeks
    King Zip & Link
    £4,899.95
    6 Weeks
    Super King Zip & Link
    £5,749.95
    6 Weeks
    Add to Basket
    Harrison Spinks Sofia 6900 Mattress
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    Harrison Spinks Sofia 6900 Mattress

    Our Price £999.95 inc. VAT
    Price £1,119.95 inc. VAT
    You Save £120.00 (11%)
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    Luxurious Natural Fillings 10 Year Warranty Choice of Mattress Tension 28cm / 11 Inches Deep
    Harrison Spinks Logo
    Delivery logo 6 Weeks Size Availability
    Sizes Available
    Price
    Stock
    Small Single (2'6")
    £999.95
    6 Weeks
    Single (3'0")
    £999.95
    6 Weeks
    Small Double (4'0")
    £1,399.95
    6 Weeks
    Double (4'6")
    £1,399.95
    6 Weeks
    King Size (5'0")
    £1,599.95
    6 Weeks
    Super King (6'0")
    £1,949.95
    6 Weeks
    King Zip & Link
    £2,099.95
    6 Weeks
    Super King Zip & Link
    £2,399.95
    6 Weeks
    Add to Basket
    Harrison Spinks Maya 3900 Mattress
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    Harrison Spinks Maya 3900 Mattress

    Our Price £899.95 inc. VAT
    Price £999.95 inc. VAT
    You Save £100.00 (10%)
    TRY ME INSTORE TODAY
    Luxurious Natural Fillings 10 Year Warranty Choice of Mattress Tension 25cm / 10 Inches Deep
    Harrison Spinks Logo
    Delivery logo 6 Weeks Size Availability
    Sizes Available
    Price
    Stock
    Small Single (2'6")
    £899.95
    6 Weeks
    Single (3'0")
    £899.95
    6 Weeks
    Small Double (4'0")
    £1,299.95
    6 Weeks
    Double (4'6")
    £1,299.95
    6 Weeks
    King Size (5'0")
    £1,399.95
    6 Weeks
    Super King (6'0")
    £1,749.95
    6 Weeks
    King Zip & Link
    £1,899.95
    6 Weeks
    Super King Zip & Link
    £2,199.95
    6 Weeks
    Add to Basket
    Harrison Spinks Talia 18750 Mattress
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    Harrison Spinks Talia 18750 Mattress

    Our Price £1,849.95 inc. VAT
    Price £2,009.95 inc. VAT
    You Save £160.00 (8%)
    TRY ME INSTORE TODAY
    Luxurious Natural Fillings 10 Year Warranty Choice of Mattress Tension 27cm / 10½ Inches Deep
    Harrison Spinks Logo
    Delivery logo 6 Weeks Size Availability
    Sizes Available
    Price
    Stock
    Small Single (2'6")
    £1,849.95
    6 Weeks
    Single (3'0")
    £1,849.95
    6 Weeks
    Small Double (4'0")
    £2,499.95
    6 Weeks
    Double (4'6")
    £2,499.95
    6 Weeks
    King Size (5'0")
    £2,799.95
    6 Weeks
    Super King (6'0")
    £3,499.95
    6 Weeks
    King Zip & Link
    £3,599.95
    6 Weeks
    Super King Zip & Link
    £4,249.95
    6 Weeks
    Add to Basket
    Harrison Spinks Zuri 10750 Mattress
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    Harrison Spinks Zuri 10750 Mattress

    Our Price £1,399.95 inc. VAT
    Price £1,519.95 inc. VAT
    You Save £120.00 (8%)
    TRY ME INSTORE TODAY
    10750 Pocket Springs Luxurious Natural Fillings 10 Year Warranty Choice of Mattress Tension 28cm / 11 Inches Deep
    Harrison Spinks Logo
    Delivery logo 6 Weeks Size Availability
    Sizes Available
    Price
    Stock
    Small Single (2'6")
    £1,399.95
    6 Weeks
    Single (3'0")
    £1,399.95
    6 Weeks
    Small Double (4'0")
    £1,899.95
    6 Weeks
    Double (4'6")
    £1,899.95
    6 Weeks
    King Size (5'0")
    £2,099.95
    6 Weeks
    Super King (6'0")
    £2,669.95
    6 Weeks
    King Zip & Link
    £2,749.95
    6 Weeks
    Super King Zip & Link
    £3,249.95
    6 Weeks
    Add to Basket
    Harrison Spinks Eden 13500 Mattress
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    Harrison Spinks Eden 13500 Mattress

    Our Price £1,599.95 inc. VAT
    Price £1,749.95 inc. VAT
    You Save £150.00 (9%)
    TRY ME INSTORE TODAY
    13500 Pocket Springs Luxurious Natural Fillings 10 Year Warranty Choice of Mattress Tension 31cm / 12 Inches Deep
    Harrison Spinks Logo
    Delivery logo 6 Weeks Size Availability
    Sizes Available
    Price
    Stock
    Small Single (2'6")
    £1,599.95
    6 Weeks
    Single (3'0")
    £1,599.95
    6 Weeks
    Small Double (4'0")
    £2,179.95
    6 Weeks
    Double (4'6")
    £2,199.95
    6 Weeks
    King Size (5'0")
    £2,449.95
    6 Weeks
    Super King (6'0")
    £3,049.95
    6 Weeks
    King Zip & Link
    £3,149.95
    6 Weeks
    Super King Zip & Link
    £3,699.95
    6 Weeks
    Add to Basket
    Baker and Wells Cashmere Latex 1200 Mattress

    Baker and Wells Cashmere Latex 1200 Mattress

    Our Price £429.95 inc. VAT
    Price £555.00 inc. VAT
    You Save £125.05 (23%)
    1200 Pocket Springs Polyester Blend 3 Year Guarantee Medium Tension
    Baker & Wells
    Delivery logo Next Day Size Availability
    Sizes Available
    Price
    Stock
    Single (3'0")
    £429.95
    Next Day
    Small Double (4'0")
    £549.95
    1 Week
    Double (4'6")
    £549.95
    1 Week
    King Size (5'0")
    £649.95
    2 Weeks
    Super King (6'0")
    £749.95
    1 Week
    Add to Basket
    Silentnight Cello Natural Pocket Mattress

    Silentnight Cello Natural Pocket Mattress

    Our Price £609.95 inc. VAT
    Price £899.00 inc. VAT
    You Save £289.05 (32%)
    2000 Mirapocket® Springs Fillings Specification : Silk, Cashmere & Wool 5 Year Guarantee Medium Tension 30cm / 12 Inches Deep
    Silentnight Logo
    Delivery logo Standard Size Availability
    Sizes Available
    Price
    Stock
    Single (3'0")
    £609.95
    2 Weeks
    Double (4'6")
    £819.95
    2 Weeks
    King Size (5'0")
    £979.95
    2 Weeks
    Super King (6'0")
    £1,099.95
    2 Weeks
    Add to Basket
    Baker and Wells Majestic 1000 Pocket Mattress
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    Baker and Wells Majestic 1000 Pocket Mattress

    Our Price £269.95 inc. VAT
    Price £340.00 inc. VAT
    You Save £70.05 (21%)
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    1000 Pocket Springs Fillings Specification : Cool Gel Infused Memory Foam 3 Year Guarantee Medium Tension 25cm / 10 Inches Deep
    Baker & Wells
    Delivery logo Next Day Size Availability
    Sizes Available
    Price
    Stock
    Single (3'0")
    £269.95
    Next Day
    Small Double (4'0")
    £369.95
    Next Day
    Double (4'6")
    £369.95
    Next Day
    King Size (5'0")
    £459.95
    Next Day
    Super King (6'0")
    £599.95
    Next Day
    Add to Basket
    Baker and Wells Imperial 2500 Cool Mattress
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    Baker and Wells Imperial 2500 Cool Mattress

    Our Price £349.95 inc. VAT
    Price £429.00 inc. VAT
    You Save £79.05 (18%)
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    2500 Pocket Springs Fillings Specification : Cool Gel Infused Memory Foam 3 Year Guarantee Medium Tension 27cm / 10½ Inches Deep
    Baker & Wells
    Delivery logo Next Day Size Availability
    Sizes Available
    Price
    Stock
    Single (3'0")
    £349.95
    Next Day
    Small Double (4'0")
    £499.95
    Next Day
    Double (4'6")
    £499.95
    Next Day
    King Size (5'0")
    £579.95
    Next Day
    Super King (6'0")
    £679.95
    Next Day
    Add to Basket
    Linthorpe Beds Windermere Mattress

    Linthorpe Beds Windermere Mattress

    Our Price £149.95 inc. VAT
    Price £168.00 inc. VAT
    You Save £18.05 (11%)
    Open Coil Springs Polyester Blend 12 Months Guarantee Medium Tension 23cm / 9 Inches Deep
    Linthorpe Beds Logo
    Delivery logo Speedy Size Availability
    Sizes Available
    Price
    Stock
    Small Single (2'6")
    £149.95
    2 Weeks
    Single (3'0")
    £149.95
    2 Weeks
    Small Double (4'0")
    £189.95
    2 Weeks
    Double (4'6")
    £189.95
    2 Weeks
    King Size (5'0")
    £219.95
    2 Weeks
    Add to Basket
    Linthorpe Beds Santorini Sunset 1500 Mattress
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    Linthorpe Beds Santorini Sunset 1500 Mattress

    Our Price £329.95 inc. VAT
    Price £350.00 inc. VAT
    You Save £20.05 (6%)
    TRY ME INSTORE TODAY
    1500 Pocket Springs Memory & Reflex Foam 5 Year Warranty Medium Tension 28cm / 11 Inches Deep
    Linthorpe Beds Logo
    Delivery logo Speedy Size Availability
    Sizes Available
    Price
    Stock
    Small Single (2'6")
    £329.95
    2 Days
    Single (3'0")
    £329.95
    2 Days
    Small Double (4'0")
    £369.95
    2 Days
    Double (4'6")
    £369.95
    2 Days
    King Size (5'0")
    £419.95
    2 Days
    Super King (6'0")
    £569.95
    2 Days
    Add to Basket
    Linthorpe Beds Keswick Slimline Mattress

    Linthorpe Beds Keswick Slimline Mattress

    Our Price £199.95 inc. VAT
    Price £224.00 inc. VAT
    You Save £24.05 (11%)
    1000 Pocket Springs Polyester Blend 12 Months Guarantee Medium Tension 19cm / 7½ Inches Deep
    Linthorpe Beds Logo
    Delivery logo Speedy Size Availability
    Sizes Available
    Price
    Stock
    Small Single (2'6")
    £199.95
    2 Weeks
    Single (3'0")
    £199.95
    2 Weeks
    Small Double (4'0")
    £249.95
    2 Weeks
    Double (4'6")
    £249.95
    2 Weeks
    King Size (5'0")
    £289.95
    2 Weeks
    Add to Basket
    Linthorpe Beds Ionian Twilight Mattress

    Linthorpe Beds Ionian Twilight Mattress

    Our Price £129.95 inc. VAT
    Price £140.00 inc. VAT
    You Save £10.05 (7%)
    Open Coil Springs Polyester Blend 12 Months Guarantee Medium Tension 23cm / 9 Inches Deep
    Linthorpe Beds Logo
    Delivery logo Speedy Size Availability
    Sizes Available
    Price
    Stock
    Small Single (2'6")
    £129.95
    2 Weeks
    Single (3'0")
    £129.95
    2 Weeks
    Small Double (4'0")
    £149.95
    2 Weeks
    Double (4'6")
    £149.95
    2 Weeks
    King Size (5'0")
    £179.95
    2 Weeks
    Super King (6'0")
    £239.95
    2 Weeks
    Add to Basket
    Linthorpe Beds Geneva Starlight Mattress
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    Linthorpe Beds Geneva Starlight Mattress

    Our Price £269.95 inc. VAT
    Price £294.00 inc. VAT
    You Save £24.05 (8%)
    TRY ME INSTORE TODAY
    1000 Pocket Springs Memory Foam & Polyester 12 Months Guarantee Medium Tension 27cm / 10½ Inches Deep
    Linthorpe Beds Logo
    Delivery logo Next Day 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
    Next Day
    Double (4'6")
    £319.95
    2 Days
    King Size (5'0")
    £369.95
    2 Days
    Super King (6'0")
    £479.95
    2 Days
    Add to Basket
    Linthorpe Beds Bowness Slimline Mattress

    Linthorpe Beds Bowness Slimline Mattress

    Our Price £149.95 inc. VAT
    Price £154.00 inc. VAT
    You Save £4.05 (3%)
    Open Coil Springs Polyester Blend 12 Months Guarantee Medium Tension 18cm / 7 Inches Deep
    Linthorpe Beds Logo
    Delivery logo Speedy Size Availability
    Sizes Available
    Price
    Stock
    Small Single (2'6")
    £149.95
    2 Weeks
    Single (3'0")
    £149.95
    2 Weeks
    Small Double (4'0")
    £179.95
    2 Weeks
    Double (4'6")
    £179.95
    2 Weeks
    Add to Basket
    Silentnight Now 3 Zone Memory Foam Mattress

    Silentnight Now 3 Zone Memory Foam Mattress

    Our Price £239.95 inc. VAT
    Price £339.00 inc. VAT
    You Save £99.05 (29%)
    Foam Interior Memory Foam 3 Year Guarantee Medium Tension 18cm / 7 Inches Deep
    Silentnight Logo
    Delivery logo Standard Size Availability
    Sizes Available
    Price
    Stock
    Single (3'0")
    £239.95
    2 Weeks
    Double (4'6")
    £309.95
    2 Weeks
    King Size (5'0")
    £369.95
    2 Weeks
    Add to Basket
    Silentnight London 2000 Memory Mattress
    LIMITED STOCK

    Silentnight London 2000 Memory Mattress

    Our Price £499.95 inc. VAT
    Price £739.00 inc. VAT
    You Save £239.05 (32%)
    LIMITED STOCK
    2000 Mirapocket® Springs Fillings Specification : Memory Foam & EcoComfort Fibre® 5 Year Guarantee Medium Tension 30cm / 12 Inches Deep
    Silentnight Logo
    Delivery logo Standard Size Availability
    Sizes Available
    Price
    Stock
    Single (3'0")
    £499.95
    2 Weeks
    Double (4'6")
    £669.95
    2 Weeks
    King Size (5'0")
    £779.95
    2 Weeks
    Super King (6'0")
    £929.95
    2 Weeks
    Add to Basket
    Silentnight Moscow 1200 Memory Mattress

    Silentnight Moscow 1200 Memory Mattress

    Our Price £414.95 inc. VAT
    Price £609.00 inc. VAT
    You Save £194.05 (32%)
    1200 Mirapocket® Springs Fillings Specification : Memory Foam & EcoComfort Fibre® 5 Year Guarantee Medium Tension 27cm / 10½ Inches Deep
    Silentnight Logo
    Delivery logo Standard Size Availability
    Sizes Available
    Price
    Stock
    Single (3'0")
    £414.95
    2 Weeks
    Double (4'6")
    £549.95
    2 Weeks
    King Size (5'0")
    £639.95
    2 Weeks
    Super King (6'0")
    £769.95
    2 Weeks
    Add to Basket
    Showing all of 24 results
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    Custom Size Mattresses

    Looking for something slightly different, perhaps for an unusual bed frame? Our special size mattress range allows you to order a medium firm mattress to your exact measurements and comfort preferences.

    King Size Beds

    If you need a bed to go with your mattress, explore our beautiful collection of king size beds. From divan sets and bases to bed frames, there’s a style for every home.

    What Our Customers Have To Say About Us

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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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