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UK Mattress Sizes

  • Mattress names and exact sizing can vary between suppliers/manufacturers.

  • We make each bed frame to suit your size requirements so, where we are not supplying the mattress size, we require confirmation of the exact mattress size (inches or cm).

  • The depth of mattresses can also vary greatly, depending on style. By knowing the depth of the mattress in advance we are able to adjust the position of the bed rails to give you a mattress height that you are happy with.

Mattress Name
Mattress Size
Approximate Size Difference (in cms)

54 x 75

135 x 190

2cm width, 2.5cm length
King Size

60 x 78

150 x 200

2.5cm width, 2cm length
Large King

66 x 78

165 x 200

2.5cm width, 2cm length
Super King

72 x 78

180 x 200

3cm width, 2cm length
Metric King

78 x 78

200 x 200

2cm width, 2cm length

84 x 84

215 x 215

2cm width, 2cm length

Some more information on mattress sizes can be found here: Understanding the differences between mattress sizes in the UK and abroad.

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