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bythenumbers

Owning

Property running cost calculator

What it costs each month and year to own and run the home.

  • What it means

    This estimates what it costs to own and run a home each month and year, including the mortgage and typical bills.

  • Why it matters

    Ownership costs do not stop at the mortgage. Council tax, insurance and maintenance still hit every year.

  • When to use it

    Use it before you buy, when budgeting after completion, or when comparing two homes with different bills.

  • How to read the result

    Look at the monthly total against your take-home pay. Keep a maintenance cushion for repairs that are not in a normal month.

Your figures

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Methodology

Rules checked against published sources as of 2025-04-01.

  • Annual total is mortgage payments plus the ownership cost lines you enter.
  • Monthly figure is the annual total divided by twelve.

Pair the numbers with area intelligence for a postcode.

FAQs

Should I include one-off repairs?

Use the maintenance line for a typical annual allowance. Large one-off works are not modelled separately.