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How Much Can I Borrow? Mortgage Calculator for Derbyshire and the UK

See how much you could borrow for a mortgage based on your income, debts and deposit. We show what most lenders offer, and what some lenders may go up to. Based in Pride Park, Derby, we help buyers across Derbyshire and the UK find the lender that fits.

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YOUR HOME MAY BE REPOSSESSED IF YOU DO NOT KEEP UP REPAYMENTS ON YOUR MORTGAGE

Work Out How Much You Could Borrow

Answer five questions. The notes next to each box explain what to enter and why it matters.

How this calculator works

Lenders start with a multiple of your yearly income. Most lend up to 4.5 times income. Some go to 5.5 times, and a few go up to 6 times for certain buyers. We take your debt payments into account, then show all three so you can see the range.

Reviewed by Suzanne Bradshaw, Director, Mortgage & Finance Arena. Last updated September 2026.

1 What are you planning?
2 Who is applying?

3 What do you earn each year before tax?

Enter 0 if you have none. Include everyone who is applying.

Savings, gifts and any equity from a sale.

Guide only. No credit check, and not a quote or offer.

Guide only. Not a quote, offer or recommendation.

How Lenders Work Out What You Can Borrow

Income Multiples

Lenders start with your yearly income and multiply it. Most cap this at 4.5 times. Some lend 5 to 5.5 times to higher earners, and a few offer up to 6 times through special schemes.

Affordability Checks

Lenders then look at your spending, debts and family costs. They also test whether you could still pay if rates rose. This check can bring the figure down.

Deposit and Credit Record

A bigger deposit and a clean credit record open up more lenders and better rates. Some higher income schemes need a deposit of 10% or more.

Income Multiples at a Glance

MultipleWho it is usually for
Up to 4.5 timesMost borrowers with most lenders
5 to 5.5 timesHigher earners, some professions and first-time buyer boost schemes
Up to 6 timesSelected schemes, mostly for first-time buyers with a minimum income
Over 6 timesA small number of specialist lenders with strict rules

Ways to Borrow More

StepWhy it helps
Clear or cut debtsLower monthly payments leave more room for your mortgage
Apply with someoneTwo incomes are added together
Save a bigger depositMore lenders and better rates become available
Use a brokerWe know which lenders offer higher multiples

Local Advice in Derbyshire

Our advisers work from Pride Park in Derby. We help first-time buyers, movers and homeowners across the county find out what they can borrow and which lenders will say yes. Find out more about our mortgage advice in Derby.

Advice Across the UK

Buying outside Derbyshire? We arrange mortgages across the UK by phone and video call, with the same service and support.

Derby · Belper · Ripley · Heanor · Ilkeston · Long Eaton · Swadlincote · Alfreton · Matlock · Ashbourne · Chesterfield · Buxton

How Much Can I Borrow? FAQs

Most lenders will lend up to 4.5 times your yearly income. On a £40,000 salary that is around £180,000. Debts, spending and your credit record can bring this down.

Some lenders now offer up to 6 times income, mostly to first-time buyers. These deals often need a minimum income and may only come with longer fixed rates. We can check if you qualify.

Yes. Monthly payments on loans, car finance and credit cards reduce what lenders will offer. Clearing or cutting debts before you apply can raise the amount.

Most lenders need at least 5% of the price. A deposit of 10% or more gives you more choice and usually lower rates.

Yes. Lenders usually look at your last two years of accounts or tax returns. Some will use your latest year if your income is rising.

No. The calculator does not run a credit check or store your figures. A lender only checks your credit when you apply.

Lenders look at your whole budget, including childcare, travel and other costs. They also check you could afford higher rates. A missed payment or a small deposit can also lower the figure.

Have a Question? Get in Touch

Prefer to tell us more about your plans first? Send us a message and one of our advisers will get back to you directly.

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Want Advice Based on Your Own Circumstances?

Speak to one of our advisers for a personal recommendation, not just a guide figure.

Book an Appointment

Your home may be repossessed if you do not keep up repayments on your mortgage. This calculator gives a guide only. It is not a quote, an offer of a mortgage or a personal recommendation. Lenders set their own rules and will check your income, spending and credit record. Higher income multiples are only offered by some lenders and have extra conditions. Mortgage & Finance Arena Ltd is authorised and regulated by the Financial Conduct Authority (FCA No. 706676).