Statement Of Comprehensive Income [Abstract]

Safestore Holdings PLC - Filing #1845179

Concept	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	2020-11-01 to 2021-10-31	2020-11-01 to 2021-10-31	2020-11-01 to 2021-10-31	2020-11-01 to 2021-10-31	2020-11-01 to 2021-10-31
Statement of comprehensive income [abstract]
Profit (loss)	— GBP	462,900,000 GBP	— GBP	462,900,000 GBP	— GBP	— GBP	— GBP	— GBP	382,000,000 GBP	382,000,000 GBP
Other comprehensive income [abstract]
Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract]
Exchange differences on translation [abstract]
Other comprehensive income, net of tax, exchange differences on translation of foreign operations	— GBP	8,000,000 GBP	— GBP	— GBP	8,000,000 GBP	— GBP	— GBP	20,300,000 GBP	20,300,000 GBP	— GBP
Hedges of net investment in foreign operations [abstract]
Other comprehensive income, net of tax, hedges of net investments in foreign operations	— GBP	4,600,000 GBP	— GBP	— GBP	4,600,000 GBP	— GBP	— GBP	10,900,000 GBP	10,900,000 GBP	— GBP
Other comprehensive income	— GBP	3,400,000 GBP	— GBP	— GBP	3,400,000 GBP	— GBP	— GBP	9,400,000 GBP	9,400,000 GBP	— GBP
Comprehensive income	— GBP	466,300,000 GBP	— GBP	462,900,000 GBP	3,400,000 GBP	— GBP	— GBP	9,400,000 GBP	372,600,000 GBP	382,000,000 GBP