Statement Of Changes In Equity [Abstract]

Safestore Holdings PLC - Filing #1990462

Concept	2022-11-01 to 2023-10-31	As at 2023-10-31	2022-11-01 to 2023-10-31	As at 2023-10-31	As at 2023-10-31	As at 2023-10-31	2022-11-01 to 2023-10-31	2022-11-01 to 2023-10-31	2022-11-01 to 2023-10-31	As at 2023-10-31	As at 2022-10-31	As at 2022-10-31	As at 2022-10-31	As at 2022-10-31	As at 2022-10-31	2021-11-01 to 2022-10-31	2021-11-01 to 2022-10-31	2021-11-01 to 2022-10-31	2021-11-01 to 2022-10-31	2021-11-01 to 2022-10-31	As at 2021-10-31	As at 2021-10-31	As at 2021-10-31	As at 2021-10-31	As at 2021-10-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	12,700,000 GBP	—	1,858,200,000 GBP	62,000,000 GBP	2,200,000 GBP	—	—	—	1,935,100,000 GBP	8,500,000 GBP	1,793,400,000 GBP	2,100,000 GBP	61,800,000 GBP	1,721,000,000 GBP	—	—	—	—	—	1,374,900,000 GBP	2,100,000 GBP	61,300,000 GBP	5,100,000 GBP	1,306,400,000 GBP
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	— GBP	—	200,200,000 GBP	—	—	—	— GBP	— GBP	200,200,000 GBP	—	—	—	—	—	—	462,900,000 GBP	— GBP	462,900,000 GBP	— GBP	— GBP	—	—	—	—	—
Other comprehensive income	4,200,000 GBP	—	4,200,000 GBP	—	—	—	— GBP	— GBP	— GBP	—	—	—	—	—	—	3,400,000 GBP	— GBP	— GBP	3,400,000 GBP	— GBP	—	—	—	—	—
Comprehensive income	4,200,000 GBP	—	204,400,000 GBP	—	—	—	— GBP	— GBP	200,200,000 GBP	—	—	—	—	—	—	466,300,000 GBP	— GBP	462,900,000 GBP	3,400,000 GBP	— GBP	—	—	—	—	—
Issue of equity	— GBP	—	300,000 GBP	—	—	—	200,000 GBP	100,000 GBP	— GBP	—	—	—	—	—	—	500,000 GBP	500,000 GBP	— GBP	— GBP	— GBP	—	—	—	—	—
Dividends recognised as distributions to owners	— GBP	—	65,900,000 GBP	—	—	—	— GBP	— GBP	65,900,000 GBP	—	—	—	—	—	—	56,900,000 GBP	— GBP	56,900,000 GBP	— GBP	— GBP	—	—	—	—	—