You asked
Please could you provide a spreadsheet with all the Council Tax Bands for the UK?
We said
Thank you for your request.
Unfortunately we do not hold this information.
The following statistical publications may assist you with your query:
20 September 2018: https://www.gov.uk/government/statistics/council-tax-stock-of-properties-2017
All previous releases: https://www.gov.uk/government/collections/valuation-office-agency-council-tax-statistics#2018