Mortgage calculator

Estimate monthly mortgage payments and total mortgage cost.

How does the calculator work?

Set the property value, deposit, interest rate and mortgage term. The calculator estimates monthly repayments using an amortising repayment model. Results are indicative.

Mortgage details

£300,000
£30,000

Minimum deposit depends on the lender and product.

4.5%
25 years

The calculator does not include product fees, valuation costs, insurance or future interest rate changes.

Results

Monthly payment
£1,500.75
estimated / month
Mortgage amount£270,000
LTV (Loan to Value)90.0%
Total mortgage cost£450,224
Total interest£180,224
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Need a more accurate estimate?

Calculators show indicative figures. An adviser can check realistic options after reviewing your situation.

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Client Reviews

What our clients say

5.0
196 reviews
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S
Sylwia Zgórska
17/03/2026
Kredyt hipoteczny + Ubezpieczenie

"Bardzo polecam Mariusza Wasiluka (broker kredytowy) i Magdalenę Kurowską (ubezpieczenia). Mieliśmy z nimi świetny kontakt od początku do końca. Wszystko jasno tłumaczyli, byli mega pomocni i dzięki nim cały proces był dużo mniej stresujący. Super współpraca!"

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Working hours
Mon–Fri 9:00–18:00 Evenings and weekends by arrangement
We cover
Whole UK — 100% remote

Extend Finance is an authorised mortgage broker regulated by the Financial Conduct Authority (FCA). Our registration number is 792412 — you can verify this at register.fca.org.uk

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