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    Late Payment Calculator

    Written by Scott Jones, founder of PropertyKiln.

    Work out how much interest and compensation you're owed when a tenant or contractor pays late.

    This calculator provides estimates based on current UK tax rates and regulations. It is not financial advice. Results depend on your individual circumstances. Consult a qualified accountant for advice specific to your situation.

    Calculate late payment interest

    Work out how much interest and compensation you're owed when a commercial tenant, contractor or supplier pays late. (Commercial debts only — see note in the result for residential rent arrears.)

    Defaults to today

    Current BoE base rate periods
    Aug 2024 – Nov 20245%
    Nov 2024 – Feb 20254.75%
    Feb 2025 – May 20254.5%
    May 2025 – Aug 20254.25%
    Aug 2025 – Dec 20254%
    Dec 2025 onwards3.75%