Statement Of Changes In Equity [Abstract]

FORESIGHT GROUP HOLDINGS LIMITED - Filing #6459082

Concept	As at 2025-03-31	2024-04-01 to 2025-03-31	As at 2025-03-31	As at 2025-03-31	As at 2025-03-31	2024-04-01 to 2025-03-31	2024-04-01 to 2025-03-31	2024-04-01 to 2025-03-31	As at 2025-03-31	2024-04-01 to 2025-03-31	As at 2025-03-31	As at 2025-03-31	2024-04-01 to 2025-03-31	As at 2025-03-31	2024-04-01 to 2025-03-31	As at 2025-03-31	2024-04-01 to 2025-03-31	2024-04-01 to 2025-03-31	As at 2025-03-31	2024-04-01 to 2025-03-31	As at 2024-03-31	2023-04-01 to 2024-03-31	As at 2024-03-31	As at 2024-03-31	As at 2024-03-31	2023-04-01 to 2024-03-31	2023-04-01 to 2024-03-31	2023-04-01 to 2024-03-31	As at 2024-03-31	As at 2024-03-31	As at 2024-03-31	As at 2024-03-31	2023-04-01 to 2024-03-31	As at 2024-03-31	2023-04-01 to 2024-03-31	2023-04-01 to 2024-03-31	2023-04-01 to 2024-03-31	2023-04-01 to 2024-03-31	2023-04-01 to 2024-03-31	As at 2024-03-31	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31	As at 2023-03-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	10,959,000 GBP	—	30,000 GBP	1,844,000 GBP	8,103,000 GBP	—	—	—	85,265,000 GBP	—	61,441,000 GBP	10,280,000 GBP	—	— GBP	—	38,876,000 GBP	—	—	5,814,000 GBP	—	14,628,000 GBP	—	30,000 GBP	1,195,000 GBP	16,206,000 GBP	—	—	—	35,007,000 GBP	61,886,000 GBP	— GBP	967,000 GBP	—	88,574,000 GBP	—	—	—	—	—	4,609,000 GBP	11,118,000 GBP	26,496,000 GBP	729,000 GBP	30,000 GBP	77,239,000 GBP	61,886,000 GBP	— GBP	— GBP	34,360,000 GBP	2,930,000 GBP
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	— GBP	—	—	—	— GBP	— GBP	— GBP	—	33,245,000 GBP	—	—	33,245,000 GBP	—	— GBP	—	— GBP	— GBP	—	— GBP	—	— GBP	—	—	—	— GBP	— GBP	— GBP	—	—	—	—	26,434,000 GBP	—	— GBP	— GBP	— GBP	26,434,000 GBP	— GBP	—	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	—	— GBP	—	—	—	— GBP	— GBP	— GBP	—	1,205,000 GBP	—	—	— GBP	—	— GBP	—	— GBP	— GBP	—	1,205,000 GBP	—	— GBP	—	—	—	— GBP	— GBP	— GBP	—	—	—	—	1,679,000 GBP	—	— GBP	— GBP	— GBP	— GBP	1,679,000 GBP	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income	—	—	—	—	—	—	—	—	—	32,040,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	24,755,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	—	— GBP	—	—	—	— GBP	— GBP	— GBP	—	26,465,000 GBP	—	—	26,465,000 GBP	—	— GBP	—	— GBP	— GBP	—	— GBP	—	— GBP	—	—	—	— GBP	— GBP	— GBP	—	—	—	—	25,787,000 GBP	—	— GBP	— GBP	— GBP	25,787,000 GBP	— GBP	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	5,701,000 GBP	—	—	—	— GBP	— GBP	— GBP	—	5,701,000 GBP	—	—	— GBP	—	— GBP	—	— GBP	— GBP	—	— GBP	—	13,675,000 GBP	—	—	—	— GBP	— GBP	— GBP	—	—	—	—	13,675,000 GBP	—	— GBP	— GBP	— GBP	— GBP	— GBP	—	—	—	—	—	—	—	—	—	—	—