Statement Of Changes In Equity [Abstract]

Tritax Big Box REIT PLC - Filing #2012546

Concept	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	3,334,000,000 GBP	—	1,801,900,000 GBP	1,463,900,000 GBP	—	—	49,200,000 GBP	—	19,000,000 GBP	3,350,000,000 GBP	—	—	—	—	764,300,000 GBP	835,100,000 GBP	1,731,900,000 GBP	18,700,000 GBP	—	2,331,300,000 GBP	964,500,000 GBP	4,076,500,000 GBP	762,000,000 GBP	18,700,000 GBP
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	70,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	599,400,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income	70,000,000 GBP	—	— GBP	—	—	70,000,000 GBP	— GBP	—	— GBP	—	—	– GBP	599,400,000 GBP	599,400,000 GBP	– GBP	—	—	—	—	– GBP	—	—	—	—	—
Dividends recognised as distributions to owners	135,600,000 GBP	—	135,600,000 GBP	—	—	— GBP	— GBP	—	— GBP	—	—	— GBP	129,400,000 GBP	— GBP	129,400,000 GBP	—	—	—	—	— GBP	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	4,500,000 GBP	—	— GBP	—	—	4,500,000 GBP	— GBP	—	— GBP	—	—	— GBP	5,300,000 GBP	5,300,000 GBP	— GBP	—	—	—	—	— GBP	—	—	—	—	—