Property allowance versus expenses calculator UK
Compare the UK property allowance with actual eligible expenses for a simple rental-income case. Check the formula, worked example and limits before using your own figures.
Enter your figures
Lower non-negative profit base in comparison
Inputs changed. Select Calculate result to update your estimate.
Use your actual figures. Any prefilled price, fee, rate or return is an editable illustration, not a current product quote. Confirmed eligible income only; excludes Rent a Room cases, losses, partnerships and excluded connected income. Do not enter residential mortgage interest as a normal expense. Finance-cost tax reductions and filing decisions are separate.
How the property allowance versus expenses calculator uk works
Compare the profit base after a £1,000 allowance with the profit base after actual eligible expenses.
UK data and rules
2026/27 data · Checked 16 October 2026. Rules are a dated snapshot, not a live feed.
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Worked example: property allowance versus expenses
This illustration uses the calculator’s example inputs. It is not a quote or a recommended financial decision.
- Gross eligible property income (£)
- 12,000
- Eligible non-finance property expenses (£)
- 2,000
Lower non-negative profit base in comparison: £10,000.00
Compare the profit base after a £1,000 allowance with the profit base after actual eligible expenses.
Property allowance versus expenses: questions answered
What does the property allowance versus expenses calculation include?
Compare the profit base after a £1,000 allowance with the profit base after actual eligible expenses. Use your actual figures. Any prefilled price, fee, rate or return is an editable illustration, not a current product quote. Confirmed eligible income only; excludes Rent a Room cases, losses, partnerships and excluded connected income. Do not enter residential mortgage interest as a normal expense. Finance-cost tax reductions and filing decisions are separate.
Using your result
Example inputs are a starting point. Replace them with your figures and select Calculate result. Results are rounded for display; calculations use unrounded values.
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