Commercial Mortgage Calculator

Monthly payment, loan amount and deposit required, on capital and interest or interest only.

Monthly payment
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Loan amount
£0
Deposit required
£0

This calculator is a guide only. It assumes a constant interest rate and does not include arrangement fees, valuation costs, legal fees or early repayment charges, all of which affect the real cost of borrowing. It is not a quotation and does not constitute an offer of finance.

Loan to value in healthcare

The LTV field is where healthcare property differs from ordinary commercial lending, and the defaults you should use vary by sector:

  • GP surgeries: up to 100% on qualifying NHS-contracted premises, because serviceability is driven by notional rent rather than trading profit
  • Dental and pharmacy premises: commonly up to 75% of market value
  • Care homes: up to 75% for experienced operators, but on a going concern valuation rather than bricks and mortar, and that distinction changes the deposit substantially
  • Supported living let to a care provider: commonly around 64% on long interest-only terms

Set the LTV to match your sector rather than leaving it at the default, or the deposit figure will mislead you.

Capital and interest or interest only

Most owner-occupier commercial mortgages are capital and interest: you repay the debt over the term. Interest only is more common on investment property, where the exit is a sale or refinance.

Interest only produces a much lower monthly payment and leaves the full capital outstanding at the end. Use it in this calculator to see the trade-off, not as a default assumption.

Related: commercial mortgages, GP surgery mortgages and care home mortgages.

All figures are indicative and subject to lender assessment, your circumstances, valuation and prevailing market conditions. Commercial mortgages and unregulated bridging loans are not regulated by the Financial Conduct Authority. Property offered as security may be at risk if you do not keep up repayments.