Statement Of Changes In Equity [Abstract]

Grafton Group - Filing #5878289

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
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Increase (decrease) through transfer between revaluation surplus and retained earnings, equity	– GBP	– GBP	– GBP	– GBP	– GBP	149,000 GBP	149,000 GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	189,000 GBP	– GBP	189,000 GBP	– GBP	– GBP	– GBP
Decrease (increase) through tax on share-based payment transactions, equity	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	42,000 GBP	42,000 GBP	– GBP	– GBP	345,000 GBP	– GBP	345,000 GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP
Increase (decrease) through transactions with owners, equity	468,000 GBP	350,000 GBP	280,000 GBP	353,000 GBP	– GBP	153,714,000 GBP	149,000 GBP	240,000 GBP	152,872,000 GBP	– GBP	820,000 GBP	227,639,000 GBP	806,000 GBP	2,085,000 GBP	228,101,000 GBP	1,886,000 GBP	189,000 GBP	– GBP	776,000 GBP	– GBP
Purchase of treasury shares	81,085,000 GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	81,085,000 GBP	– GBP	159,458,000 GBP	159,458,000 GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP
Cancellation of treasury shares	81,391,000 GBP	353,000 GBP	– GBP	353,000 GBP	– GBP	81,391,000 GBP	– GBP	– GBP	– GBP	– GBP	159,591,000 GBP	– GBP	806,000 GBP	– GBP	159,591,000 GBP	– GBP	– GBP	– GBP	806,000 GBP	– GBP