Analysis Of Income And Expense [Abstract]

OSB Group PLC - Filing #5817376

Concept	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31
Analysis of income and expense [abstract]
Revenue [abstract]
Interest income	—	—	—	—	—	—	—	2,099 .3 GBP	—	—	1 , 76 7. 0 GBP	—	—	—	—	—	—	—	—	—
Revenue	—	—	—	—	—	—	—	6 6 7. 2 GBP	—	—	6 5 8 .1 GBP	—	—	—	—	—	—	—	—	—
Material income and expense [abstract]
Gains (losses) on disposals of other non-current assets	—	—	—	—	—	—	—	2 . 4 GBP	—	—	– GBP	—	—	—	—	—	—	—	—	—
Interest expense	—	—	—	—	—	—	—	1 ,4 32 .9 GBP	—	—	1 ,1 0 8 .4 GBP	—	—	—	—	—	—	—	—	—
Interest income (expense)	—	—	—	—	—	—	—	666,400,000 GBP	—	—	658 .6 GBP	—	—	—	—	—	—	—	—	—
Miscellaneous other comprehensive income [abstract]
Other comprehensive income, before tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract]
Other comprehensive income, before tax, exchange differences on translation of foreign operations	—	—	—	—	—	—	—	– GBP	—	—	800,000 GBP	—	—	—	—	—	—	—	—	—
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	– GBP	– GBP	– GBP	– GBP	– GBP	308. 1 GBP	– GBP	308,000,000 GBP	– GBP	0 .1 GBP	281. 7 GBP	– GBP	282. 6 GBP	– GBP	800,000 GBP	– GBP	– GBP	– GBP	– GBP	100,000 GBP