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    Monthly Repayments on a £170,000 Mortgage

    At 4.5%, your monthly repayment on a £170,000 mortgage over 25 years would be £945

    Monthly Payments by Rate & Term

    Rate15 yrs20 yrs25 yrs30 yrs35 yrs
    3%£1,174£943£806£717£654
    3.5%£1,215£986£851£763£703
    4%£1,257£1,030£897£812£753
    4.5%£1,300£1,076£945£861£805
    5%£1,344£1,122£994£913£858
    5.5%£1,389£1,169£1,044£965£913
    6%£1,435£1,218£1,095£1,019£969

    Highlighted cell shows a typical current rate (4.5%) over 25 years.

    Mortgage Summary at 4.5% over 25 Years

    Monthly Payment

    £945

    Total Repayable

    £283,475

    Total Interest

    £113,475

    Interest as % of Loan

    67%

    What Deposit Do You Need?

    Deposit %LTVDeposit NeededProperty Price
    5%95%£8,947£178,947
    10%90%£18,889£188,889
    15%85%£30,000£200,000
    20%80%£42,500£212,500
    25%75%£56,667£226,667

    What Salary Do You Need for a £170,000 Mortgage?

    Most UK lenders use a 4.5× income multiple. For a £170,000 mortgage, you'd typically need:

    Single applicant

    £37,778

    Joint (e.g. 60/40 split)

    £22,667 + £15,111

    Full affordability check

    Overpayment Impact

    See how overpaying your £170,000 mortgage at 4.5% could save you years and thousands in interest.

    Monthly OverpaymentYears SavedInterest SavedNew Term
    £100/mo4.0 yrs£20,15621.0 yrs
    £250/mo8.0 yrs£39,71217.0 yrs
    £500/mo12.0 yrs£58,06813.0 yrs

    Stamp Duty on a £188,889 Property

    With a 10% deposit, a £170,000 mortgage means buying a £188,889 property.

    Standard buyer

    £1,277.78

    0.68% effective

    First-time buyer

    £0

    0.00% effective

    What's Next?

    Total Mortgage Calculator

    Full mortgage cost with fees.

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    Mortgage Affordability

    How much can you borrow?

    Calculate now

    Mortgage Overpayment

    Plan overpayment savings.

    Calculate now

    Stamp Duty Calculator

    Exact SDLT for any price.

    Calculate now

    Cost of Buying a House

    Complete buying cost breakdown.

    Calculate now

    Remortgage Break-Even

    Is remortgaging worth it?

    Calculate now

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