Mortgage calculator

Mortgage Calculator UK 2026 – How Much House Can I Afford?

Mode-aware affordability and repayment estimates with transparent assumptions for United Kingdom. All calculations run directly in your browser.

Privacy-first design
Transparent assumptions
Browser-only calculations

Calculator inputs

Enter your numbers

Private

No data storage. Inputs stay in this browser session only.

Income and obligations

Used to estimate borrowing power and affordability metrics.

Loan assumptions

Repayment and interest-only options supported.

United Kingdom

Includes 2026 SDLT bands with first-time buyer relief.

Results appear here after calculation

Click Calculate results to show max property price, loan amount, monthly payment, and amortization.

Partner offers related to your scenario

Sponsored options from mortgage partners. These links are separate from calculator outputs.

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Compare live UK rates

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Affiliate disclosure: We may earn a commission if you choose a partner. This does not affect your results.

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Get a no-obligation discussion with a partner broker based on your scenario.

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Frequently asked questions

Does this include UK Stamp Duty?

Yes. We include 2026 SDLT rates and first-time buyer relief for estimation.

Is this an official lender quote?

No. This is an estimate only and not financial advice.

How accurate is this mortgage calculator?

It gives estimation-level outputs using your inputs and market assumptions, not final lender underwriting decisions.

Does this store my data or send it to a server?

No. Inputs and calculations run in-browser only, and no user inputs are persisted by this app.

Can I compare affordability and repayment views?

Yes. Switch modes to compare borrowing power with monthly-payment outcomes using the same input set.

Is this financial advice?

No. This tool is informational only and should be paired with advice from a qualified broker or advisor.

Related services

Sponsored services you may find useful after reviewing your estimate.

Sponsored
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Want better rates? Compare offers from top lenders →

Compare live UK rates

Replace with real affiliate link before launch.

Affiliate disclosure: We may earn a commission if you choose a partner. This does not affect your results.

Sponsored

Talk to a mortgage broker

Get a no-obligation discussion with a partner broker based on your scenario.

Replace with a real tracked partner link before launch.

Mortgage Calculator UK 2026 – How Much House Can I Afford?