Mortgage Affordability Calculator UK 2026 | How Much Can I Borrow? (Income, Deposit & Monthly Budget)

A Mortgage Affordability Calculator estimates how much property value you may be able to afford based on your income, expenses, and financial details. It provides an indicative borrowing range rather than a guaranteed mortgage amount. The results are meant for planning and early-stage exploration.

The calculator uses your income, existing debts, deposit amount, interest rate, and loan term to estimate an affordable mortgage size. It applies commonly used affordability principles in the UK. Outputs are indicative and may vary from lender assessments.

You typically enter household income, monthly outgoings, deposit amount, interest rate, and mortgage term. Providing realistic figures improves the usefulness of the estimates. All amounts should be entered in pounds sterling.

The calculator is based on standard calculation methods and user inputs. Actual mortgage offers may differ due to credit history, lender criteria, and market conditions. Results should be treated as indicative.

The calculator is designed around commonly referenced UK affordability principles. Individual lenders may apply their own criteria. The estimates are meant for planning rather than exact borrowing limits.

The calculator may include estimated running costs if entered. If not provided, results may be simplified. Actual housing costs may vary.

First-time buyers and existing homeowners considering a move may find it useful. It can help provide a general sense of price range. The tool is meant for planning and awareness.

Yes, self-employed users can enter their estimated income. Lenders may assess self-employed income differently. Results remain indicative.

Yes, combined household income and shared debts can be entered. This provides an estimate based on joint finances. Actual lender evaluations may differ.

A higher deposit generally increases the property value you may be able to afford. You can adjust this input to explore scenarios. Results update accordingly.

Higher interest rates usually reduce estimated affordability, while lower rates may increase it. You can modify the rate to explore different scenarios. The calculator shows indicative outcomes.

Adding monthly debt payments will typically reduce your estimated affordability. This reflects a higher financial commitment. You can update these values to compare scenarios.

A longer term may increase the estimated affordable amount due to lower monthly payments. However, total interest paid over time may be higher. Results are indicative.

Yes, the calculator can be used for major cities such as London, Manchester, and Birmingham. Location does not change the core calculation. You should still consider local property prices separately.

The calculator does not model regional house price trends or council tax variations. It uses general affordability principles applicable across the UK. Results are meant for high-level planning.

No, the calculator provides estimates for informational and planning purposes only. It does not offer mortgage or financial advice. Users should rely on professional guidance for decisions.

The calculator uses simplified assumptions and user-provided data. It does not capture all lender criteria or individual circumstances. Results should be treated as indicative, not guaranteed.