Free tools/How Much Can I Borrow Buy to Let?

How Much Can I Borrow Buy to Let?

Answer the classic landlord question: how much can I borrow on buy-to-let? We cap the loan by rent at your stress rate and ICR, then by your target LTV.

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Cash deposit £62,500

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Typical lender stress rates often sit around 5-6%

Max loan at ICR / stress

£209,455

Binding loan (min of LTV & ICR)

£187,500

Requested £187,500

LTV on binding loan

75.0%

Monthly payment

£703

Interest-only at pay rate

ICR at stress rate

140%

Passes target

Rental cover vs stress ICR

£1,509

Annual rent minus (stressed interest × ICR target)

  • Stress rate 5.5% with ICR target 125%
  • Interest-only monthly payment uses pay rate on the binding loan
  • Max loan is capped by ICR at the stress rate, then by purchase LTV
  • Illustrative only - lenders apply their own criteria

How to use this tool

Borrowing power on BTL is usually rent-led, not salary-led. Stress rate and ICR threshold matter as much as the headline interest rate.

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Frequently asked questions

Is this a decision in principle?
No. Lenders also check credit, valuation and portfolio rules. Use this as a rent-led ceiling.

Related

Illustrative only - not mortgage, tax or financial advice. Figures depend on your lender, tax status and circumstances. Always check with a qualified adviser before acting.