Handrails for external steps
600 mm
A handrail is required for external flights of steps when the total rise exceeds 600mm and the individual step going is less than 600mm
Every figure for this topic is on one page: Stair dimensions and handrail heights in UK homes
Read the full answerA handrail is required for external flights of steps when the total rise exceeds 600mm and the individual step going is less than 600mm. This provision improves safety and accessibility, particularly for users with mobility challenges or in adverse weather.
Basis in regulation
How to check it on site
Check that a handrail is fitted to external steps where the total rise is over 600mm, ensuring it is secure and at an appropriate height.
Common failure
Handrails are frequently omitted on external steps, particularly at rear entrances or garden access points, creating a fall risk.
Last updated 23 August 2026. This is our editorial summary of publicly available regulation, not building control approval or a warranty determination.