Rent increase percentage calculator UK
Measure the percentage and annual impact of a proposed monthly rent change. Check the formula, worked example and limits before using your own figures.
Enter your figures
Monthly rent change
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. Arithmetic only, not advice on whether a rent change is lawful. Notice and tenancy rules depend on the country and circumstances.
How the rent increase percentage calculator uk works
Percentage change = (new rent − old rent) ÷ old rent × 100.
Data basis: mathematical formula using your inputs. Example prices and rates are illustrative, not current market quotes.
Read about data coverage and updates
Worked example: rent increase percentage
This illustration uses the calculator’s example inputs. It is not a quote or a recommended financial decision.
- Current monthly rent (£)
- 1,000
- Proposed monthly rent (£)
- 1,100
Monthly rent change: £100.00
Percentage change = (new rent − old rent) ÷ old rent × 100.
Rent increase percentage: questions answered
What does the rent increase percentage calculation include?
Percentage change = (new rent − old rent) ÷ old rent × 100. Use your actual figures. Any prefilled price, fee, rate or return is an editable illustration, not a current product quote. Arithmetic only, not advice on whether a rent change is lawful. Notice and tenancy rules depend on the country and circumstances.
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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