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Tenant Rent Affordability Calculator

Work out how much rent a UK household can comfortably afford using the lender 30 %-of-gross rule, the 35 %-of-net rule, the letting-agent 30× annual income rule, and a budget-led calculation that takes dependents and household expenses into account.

Income

Household

Recommended max rent

£838 / month

Lower of the four affordability rules. Ambitious upper bound (lender / agent rules): £1,167/month. Budget-led sustainable: £1,142/month.

How each rule scores it

Household budget

Gross annual household income

£35,000

Net annual household income

£28,720

Net monthly income

£2,393

Headroom for rent + buffer

£1,343

Estimates only. Actual lender / agent thresholds vary; deposits, guarantors and credit history may also affect what landlords will accept. PAYE figures use frozen 2024/25–2026/27 income-tax and NI thresholds.

What is the Tenant Rent Affordability Calculator?

Rent affordability for a UK tenant is the maximum monthly rent a household can comfortably pay given gross income, take-home pay, dependents and existing expenses. Industry rules of thumb include 30% of gross household income, 35% of net pay, and the letting-agent referencing rule of annual gross ≥ 30× monthly rent.

Last reviewed: against HMRC rates for 2024/25 & 2025/26.

UK rent-affordability rules of thumb

30% of gross incomeLender / agent ceilingUpper bound
35% of net (post-tax)ConservativeMid bound
Annual gross ÷ 30Letting-agent referencingIndustry default
Budget-led (post-expenses)Personal headroomSustainable bound

Worked example

A couple earning £35,000 + £30,000 gross can pass referencing at up to £2,167/month rent (30× rule), but a budget-led number after net tax, two dependents and £900/month expenses falls closer to £1,500/month.

Frequently asked questions

+How much rent can I afford on £35,000 a year?

Letting agents typically need annual gross ≥ 30× monthly rent — so on £35,000 the upper bound is ~£1,167/month. After tax and household expenses the sustainable figure is usually lower; check the budget-led result.

+Do landlords accept benefits as income?

Many do but some still restrict — and the letting agent will reference benefits separately, with weighting that varies by source. Universal Credit's housing element is included in income for affordability checks.

+What if my income doesn't pass referencing?

A guarantor (someone earning ≥ 36× the monthly rent) is the standard fix. Rent paid 6–12 months in advance is sometimes accepted. Some agents will accept higher deposits for borderline cases.

+Should I include my partner's salary?

Yes if you'll both be on the tenancy agreement. Joint tenancies pool incomes against the same affordability calculation — the agent references both.

+Why is the budget-led number lower than the agent rule?

The agent rule looks at gross income only; it ignores tax, dependents, debt and bills. The budget-led calculation models actual headroom after all of those — closer to what the household can really sustain month after month.