Free tax calculators
Quick answers to the money questions self-employed people and landlords ask most. No account needed. Each one shows what it assumes.
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January tax bill
Your 31 January bill, with payments on account, and what to set aside each month.
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Property tax from April 2027
Tax on your rental profit now and from 6 April 2027, when the rates rise by 2 points.
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Sole trader or limited company
Take-home pay as a sole trader against a one-person company, at 2026-27 rates.
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Late payment interest
Statutory interest and fixed compensation on an overdue business invoice.
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Getting ready for the rental property register
A checklist of what landlords in England should gather for the new private rented sector database, and a reminder when registration opens.
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