How it works
Calculate monthly mortgage payments for UK properties, including Loan-to-Value (LTV).
Input query strings and outputs
Use an input name in this page’s URL as ?name=value, and join additional inputs with &. Portable shared links may instead use the compact ?ac= state parameter.
Input query strings
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?propertyPrice=Property PriceNumber · Optional · Default: 250,000
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?deposit=Deposit AmountNumber · Optional · Default: 25,000
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?interestRate=Interest RateNumber · Optional · Default: 4.5
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?term=Mortgage Term (Years)Number · Optional · Default: 25
Outputs
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resultResultText · Primary output
result contains the calculator’s complete rendered result area, including its visible result cards, tables, charts, and messages.
Calculate mortgage repayments for UK properties
Description
The Mortgage Calculator UK is specifically designed for the United Kingdom property market. It uses Pounds Sterling (£) and focuses on the key metric used by UK lenders: the Loan-to-Value (LTV) ratio. By entering the property price and your deposit, you can quickly estimate your monthly capital and interest repayments.
Inputs
- Property Price: The total value of the UK property (£).
- Deposit Amount: The cash sum you are contributing upfront (£).
- Interest Rate: The annual interest rate for the mortgage (%).
- Mortgage Term (Years): The length of the repayment period (standard is 25 or 30 years).
Outputs
- Monthly Payment: Your estimated monthly repayment in Pounds Sterling (£).
- Total Interest: The total interest paid over the life of the mortgage (£).
- Loan-to-Value (LTV): The percentage of the property price that is being borrowed. This is the primary factor in determining which mortgage deals you qualify for (%).
Chart
- N/A: This tool provides a clear, UK-market-focused financial summary.
“Good to Know”
- In the UK, LTV is crucial. Lower LTVs (e.g., 60% or 75%) usually unlock significantly lower interest rates than high LTVs (e.g., 90% or 95%).
- Remember that monthly repayments in this calculator do not include Council Tax or buildings insurance.
- First-time buyers in the UK may be eligible for specific schemes or tax reliefs (like Stamp Duty exemptions) that can impact their total budget.
Examples
Example 1: Standard Home Move
- Input:
- Price: £250,000
- Deposit: £25,000 (10%)
- Rate: 4.5%
- Output:
- Monthly Payment: ~£1,250
- LTV: 90.0%
Example 2: High Equity / Low LTV
- Input:
- Deposit: £100,000 (40%)
- Output:
- LTV: 60.0%
- (Lower LTVs generally qualify for the market’s best available interest rates).
Example 3: Long-term Planning
- Input:
- Term: 35 Years
- Output:
- Shows how extending the term can lower monthly payments but significantly increases the “Total Interest” paid.