You asked
Please provide in a time series as to how many Banks once existed to the current period.
We said
Thank you for your request.
We have conducted a search of our records and unfortunately we do not hold the information you require.
We may be able to create this information for you, or something similar, as a bespoke analysis. Any such analysis would be outside of the Freedom of Information regime and would be subject to legal frameworks, disclosure control, resources and agreement of costs where appropriate. Should you wish to discuss this bespoke analysis please contact us at idbrdas@ons.gov.uk.