Standard UK door sizes chart.

  Metric Imperial
  Height (M) Width (mm) Thickness (mm) Height (ft/in) Width (ft/in) Thickness (in)
Main entrance doors 2.134 914 45   7'0" 3'0" 1
  2.083 864 45   6'10" 2'10" 1
  2.032 813 45   6'8" 2'8" 1
  1.981 838 45   6'6" 2'9" 1
  1.981 762 45   6'6" 2'6" 1
Room doors 2.032 813 45 or 35   6'8" 2'8" 1 or 1
  1.981 762 45 or 35   6'6" 2'6" 1 or 1
Bathroom/toilet doors 1.981 762 35   6'6" 2'6" or 2'4" 1
  1.981 686 35   6'6" 2'3" 1
Cupboard doors 1.981 610 35   6'6" 2'0" 1
  1.981 533 35   6'6" 1'9" 1
  1.981 457 35   6'6" 1'6"