Storage unit sizes

UK self storage is sold by floor area in square feet, from 10 sq ft, which Safestore calls "Hatchback car boot size", to 200 sq ft, "Standard double garage size" in Big Yellow's words. Every size below is drawn on the same scale, one square per square foot.

10 sq ft
about £47 a month
25 sq ft
about £56 a month
35 sq ft
about £65 a month
50 sq ft
about £90 a month
75 sq ft
about £115 a month
100 sq ft
about £143 a month
150 sq ft
about £213 a month
200 sq ft
about £402 a month

Self storage sizes chart

Prices are Shurgard's monthly medians outside London and in London, read on 5 November 2026.

Size	What it holds	Outside London	London
10 sq ft	Safestore (10 sq ft): “Hatchback car boot size” Safestore (10 sq ft): “student luggage” Shurgard (10 sq ft): “a few boxes or a few small items”	£47	£60
25 sq ft	Safestore (25 sq ft): “Size of a small garden shed” Safestore (25 sq ft): “contents of a studio flat”	£56	£84
35 sq ft	Safestore (35 sq ft): “contents of a one bedroom flat”	£65	£105
50 sq ft	Safestore (50 sq ft): “Size of half a single garage” Safestore (50 sq ft): “large one bedroom flat”	£90	£130
75 sq ft	Safestore (75 sq ft): “Approx. size of a Luton van” Safestore (75 sq ft): “two-bedroom house” Shurgard (75 sq ft): “the contents of a one bedroom flat”	£115	£165
100 sq ft	Safestore (100 sq ft): “Size of a single garage” Safestore (100 sq ft): “two or three bedroom house”	£143	£230
150 sq ft	Safestore (150 sq ft): “large 3 bedroom house”	£213	£299
200 sq ft	Safestore (200 sq ft): “contents of a 4 bedroom house”	£402	£661

Storage unit sizes compared to things you know

Safestore compares 25 sq ft to a "small garden shed", 50 sq ft to "half a single garage", 75 sq ft to a Luton van and 100 sq ft to "a single garage". Big Yellow uses the same kind of comparison, from "Telephone box size" up to "Standard double garage size" for 200 sq ft.

Which size do you need?

Safestore and Shurgard match the same homes to different sizes. The storage size calculator shows both answers for your home, and self storage prices has the full price table.