Our rent affordability calculator uses industry-standard assessment metrics to show you how much rent you can realistically afford. Instead of guessing or applying for homes outside your budget, you get a quick, clear estimate based on your income and financial commitments.
It helps you plan your search with confidence, narrow down your options to properties that fit your budget and save valuable time when moving home. If you’re renting in London, it also gives you a realistic starting point in a market where prices vary widely between neighbourhoods.
The amount of rent you can afford depends on your income, monthly expenses and any existing financial commitments. A common guideline is the 30 percent income rule, which suggests that your monthly rent should be no more than around 30 percent of your gross income.
In practice, most UK letting agents apply this principle using the 30x income rule, meaning your annual income typically needs to be at least 30 times the monthly rent. If a guarantor is required, they typically need to earn 36 times the monthly rent.
Our rent affordability calculator gives you a personalised estimate so you can see what is realistic for your budget, compare options and focus your search on homes you can comfortably afford. If you’re moving to London or renting for the first time, it also gives you a realistic starting point in a market where prices vary widely between neighbourhoods.
Our rent affordability calculator uses the same income-to-rent ratios applied by most UK letting agents and referencing providers. While this approach reflects standard UK affordability checks, individual landlords or referencing providers may apply stricter or more flexible criteria depending on your circumstances.
You can check your affordability in two ways. For both methods, you’ll also see the income a guarantor would need, if one is required. Guarantors usually need to earn at least 36 times the monthly rent, which is why these figures appear higher.
Enter your gross annual income into the rent affordability calculator and it will estimate the maximum monthly rent that you’re likely to be approved for. This is based on the standard industry guideline that tenants should earn at least 30 times the monthly rent.
If you already know the rent of the property you want, simply enter the monthly amount. The affordability calculator will show the minimum annual income typically required to pass affordability checks.
If you’d like help finding your next home or want to understand your rent affordability in more detail, our team is here to support you. Get in touch and we’ll guide you through your options.
+44 (0) 203 002 2650
enquiries@rightnowresidential.co.uk
2nd Floor, 24 Southwark Bridge Rd, London SE1 9HF
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