Rent Affordability Calculator
Work out how a monthly rent compares with your take-home income, and see how much you’d have left over each month.
How Your Income Breaks Down
Monthly Budget Breakdown
Rent Affordability Calculator
Our Rent Affordability Calculator helps you compare a monthly rent with your take-home income and see how much you would have left over after rent and other outgoings. It checks your rent against a commonly used guideline of around 30% of income, and separately works out your monthly budget once rent and other outgoings are accounted for.
How to Use This Calculator
- Enter your monthly take-home pay – your net income after tax, National Insurance and pension contributions.
- Optionally, add any additional household income – a partner’s take-home pay, benefits, or other regular income.
- Enter the monthly rent you’re considering.
- Optionally, enter your other monthly outgoings – bills, debts, transport, subscriptions and similar regular costs.
- Click Check Affordability to see your results.
What Percentage Of Income Should Go On Rent?
This calculator applies a widely used personal-budgeting guideline of no more than around 30% of net (take-home) income on rent, with 35-40%+ generally considered increasingly stretched. This is an illustrative, conservative budgeting benchmark, not an official UK affordability standard – the 30% figure itself isn’t formally defined against take-home pay in UK regulation or industry practice, and other sources apply a similar percentage to gross income instead. Use it as a starting point for judging your own budget, not a guarantee of affordability.
| Rent As % Of Take-Home Income | General Guidance |
|---|---|
| Up to 30% | Within the 30% guideline used by this calculator |
| 30% – 35% | Above the guideline – leaves less room for saving or unexpected costs |
| 35% – 40% | Well above the guideline – budgeting becomes tighter |
| Over 40% | Significantly above the guideline – higher risk of financial strain, especially if costs or income change |
Is 30% Realistic Given UK Rents?
In many parts of the UK, particularly London and other high-demand cities, rents can significantly exceed 30% of typical take-home pay, making the guideline difficult to meet in practice. It remains a useful reference point for comparing options and understanding relative affordability, but many renters – particularly single-income households in expensive areas – spend a higher proportion of income on rent than this guideline suggests. Use it alongside your own budget, not as a hard rule.
How Do Landlords And Letting Agents Assess Affordability?
This calculator uses your net, take-home income for personal budgeting – landlords and letting agents typically assess affordability differently, often using gross annual income multiples instead. A common approach is requiring annual gross income of around 30 times the monthly rent (roughly equivalent to rent being around 40% of gross income). Many agents also run credit checks, request employer or landlord references, and may ask for a guarantor if your income doesn’t meet their threshold. Meeting the 30% take-home guideline used in this calculator does not guarantee you’ll meet a landlord’s gross-income criteria, and meeting a landlord’s criteria doesn’t guarantee this calculator will show a low percentage – the two benchmarks measure different things, and neither guarantees tenancy approval.
Does This Include Bills Or A Deposit?
The rent figure you enter should be your monthly rent payment itself. Bills (energy, water, council tax, internet) can be included in “Other Monthly Outgoings” if you want them reflected in your budget, or entered separately if you’re comparing rent-inclusive-of-bills against rent-exclusive-of-bills. This calculator does not factor in your deposit or move-in costs. In England, deposits are generally capped at up to 5 weeks’ rent where the annual rent is below £50,000, or up to 6 weeks’ rent where annual rent is £50,000 or more, plus any rent payable in advance – in England, after signing the tenancy agreement, a landlord can require up to one month’s rent in advance. These are England-specific rules and do not establish a UK-wide deposit rule, so check the rules that apply if you’re renting in Scotland, Wales or Northern Ireland. Budget for these as a separate lump sum on top of your ongoing monthly figures.
Frequently Asked Questions
What percentage of income should go on rent?
This calculator applies a widely used personal-budgeting guideline of no more than around 30% of net (take-home) income on rent, with 35-40%+ generally considered increasingly stretched. This is an illustrative, conservative benchmark rather than an official UK affordability standard – the 30% figure isn’t formally defined against take-home pay by any UK regulation, and other sources apply a similar percentage to gross income instead.
Is the 30% rule realistic in the UK?
In many parts of the UK, particularly London and other high-demand cities, rents can significantly exceed 30% of typical take-home pay. The guideline remains a useful reference point for comparing options, but many renters – especially single-income households in expensive areas – spend a higher share of income on rent than this suggests. Treat it as a reference, not a hard rule.
How do landlords and letting agents assess affordability?
This calculator uses your net, take-home income for personal budgeting. Landlords and letting agents typically assess affordability differently, often using gross annual income multiples – commonly around 30 times the monthly rent – alongside credit checks and employer or landlord references. Meeting the 30% take-home guideline used here does not guarantee you’ll meet a landlord’s gross-income criteria, or vice versa – the two measures are not directly comparable, and neither guarantees tenancy approval.
Does this calculator include bills or a deposit?
The rent figure should be your monthly rent payment. Bills can be included in “Other Monthly Outgoings” if you want them reflected in your budget. This calculator does not factor in your deposit or move-in costs. In England, deposits are generally capped at up to 5 weeks’ rent (or up to 6 weeks’ rent where annual rent is £50,000 or more), plus any rent payable in advance; after signing the tenancy agreement, a landlord can require up to one month’s rent in advance. These are England-specific rules, not UK-wide ones.
Should I use gross or net income in this calculator?
This calculator uses net, take-home pay – your income after tax, National Insurance and pension contributions – because that reflects what actually lands in your bank account each month. If you only know your gross salary, our Salary Calculator can help you estimate your take-home pay first.
Is this a guarantee I’ll be approved for a tenancy?
No. This calculator provides illustrative budgeting guidance based on the figures you enter. It is not a landlord or letting agent affordability check, referencing assessment or credit check, and approval for a tenancy depends on the individual landlord or agent’s own criteria.