# The Road Vehicles (Display of Registration Marks) Regulations 2001, Part 3: TABLE B


(1) Relevant dimension
Relevant character height:
(2) 89 mm.
(3) 79 mm.
(4) 64 mm.
1.Character width (all new registration plates from 1.9.01 except replacement of “classic” plates)
50 mm.
44 mm.
2.Character width (other registration plates)
64 mm.
57 mm.
44 mm.
3.Stroke width
16 mm.
14 mm.
10 mm.
4.Space between two characters within group: general rule
13 mm.
11 mm.
10 mm.
5.Horizontal space between groups
38 mm.
33 mm.
30 mm.
6.Vertical space between groups
19 mm.
19 mm.
13 mm.
7.Minimum margin
13 mm.
11 mm.
11 mm.
8.Pressed/embossed plates fixed before 1.9.01 and “classic” plates: space permitted between “I” or “1” and another character
13 to 37 mm.
11 to 33 mm.
9.Pressed/embossed plates fixed before 1.9.01 and “classic” plates: space permitted between characters if both “I” or “1”
13 to 60 mm.
11 to 54 mm.

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Source: https://www.legislation.gov.uk/uksi/2001/561/schedule/3/part/3 (the official version)
Page: https://openlegislation.uk/road-vehicles-display-of-registration-marks-regulations-2001/schedule-3/part-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.