Statement Of Financial Position [Abstract]

METRO BANK HOLDINGS PLC - Filing #5970311

Concept	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31
Statement of financial position [abstract]
Assets [abstract]
Property, plant and equipment	—	—	—	—	—	—	7 11 GBP	723,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—
Deferred tax assets	—	—	—	—	—	—	24 0 GBP	– GBP	—	—	—	—	—	—	—	—	—	—	—	—	—
Cash and cash equivalents	—	—	—	—	—	—	2,8 11 GBP	3,89 1 GBP	—	—	—	—	—	—	1,956,000,000 GBP	—	—	—	—	—	—
Assets	—	—	—	—	—	—	1 7, 5 8 2 GBP	2 2 , 24 5 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity and liabilities [abstract]
Equity [abstract]
Retained earnings	—	—	—	—	—	—	1 ,02 2 GBP	97 8 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—
Share premium	—	—	—	—	—	—	14 4 GBP	14 4 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—
Other reserves	—	—	—	—	—	—	17,000,000 GBP	12,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity	1 ,02 2 GBP	144,000,000 GBP	– GBP	– GBP	24,000,000 GBP	7,000,000 GBP	1 ,1 8 3 GBP	1 ,1 3 4 GBP	97 8 GBP	14 4 GBP	– GBP	– GBP	11,000,000 GBP	23,000,000 GBP	956,000,000 GBP	1,964,000,000 GBP	20,000,000 GBP	1,015,000,000 GBP	– GBP	– GBP	13,000,000 GBP
Liabilities [abstract]
Provisions [abstract]
Provisions	—	—	—	—	—	—	11,000,000 GBP	23,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—
Deferred tax liabilities	—	—	—	—	—	—	– GBP	13,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—
Liabilities	—	—	—	—	—	—	16, 399 GBP	21,111,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity and liabilities	—	—	—	—	—	—	1 7, 5 8 2 GBP	2 2 , 24 5 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—