Skip to main content

What Salary Do I Need for a £100,000 Mortgage?

You typically need a salary of £15,400 to £22,300 for a £100,000 mortgage. Best-case at a 6.5× lender is around £15,400; standard 4.49× lenders need £22,300. £100k is the most accessible whole-number mortgage tier — well within reach for first-time buyers and part-time joint applicants. All figures are subject to lender criteria, affordability and credit assessment. Last reviewed July 2026.

Minimum Salary for a £100,000 Mortgage by Lender

Single employed applicant, 25-year repayment term, no additional debts.

LenderMultipleMin Salary
HSBC Premier6.5×£15,400
Nationwide (Helping Hand)6.0×£16,700
Barclays6.0×£16,700
NatWest (higher income)6.0×£16,700
Aldermore6.0×£16,700
Cumberland BS6.0×£16,700
Leeds BS (Income Plus)5.5×£18,200
Halifax5.5×£18,200
Santander5.5×£18,200
TSB5.5×£18,200
Skipton BS5.5×£18,200
Virgin Money5.5×£18,200
Principality BS5.5×£18,200
Accord Mortgages5.5×£18,200
Coventry BS (affordability-led)4.49×£22,300
Pepper Money (affordability-led)4.49×£22,300

Published income multiples, June 2026. Higher-multiple products subject to qualifying criteria.

£100,000 Mortgage: Monthly Cost, Income and Deposit

A £100,000 mortgage costs around £556 a month at 4.5% over 25 years on a repayment basis. You typically need a salary of £15,400 to £22,300 depending on the lender, and a deposit of at least £5,300 (5%) — rising to £11,100 at 10% deposit.

£100k is one of the most accessible mortgage sizes in the UK — achievable on a modest single income or two smaller part-time incomes combined — and first-time buyers typically pay no stamp duty at this level, since prices sit well under the £300,000 FTB threshold. All figures are subject to lender criteria, affordability and credit assessment.

How to Qualify for £100k on a Lower Salary

  • Declare overtime, bonuses and commission — lenders take 50%–100%. Even £2k–£3k of regular overtime meaningfully lifts a modest base salary above the threshold.
  • Add a second applicant. £10k + £10k combined comfortably meets the multiple with no individual high-earner required.
  • Extend the term to 30 or 35 years. Younger applicants often qualify for longer terms, reducing the stressed monthly payment.
  • Clear small credit card balances. £1,000 of balances costs roughly £3,000 of borrowing.
  • 95% LTV products are available at Nationwide and Halifax for buyers with a £5,300 deposit.

£100,000 Mortgage Monthly Repayments

Rate25 Years30 Years35 Years
4.0%£528£477£443
4.5%£556£507£473
5.0%£585£537£505
5.5%£614£568£537
6.0%£644£600£570

Deposit Needed for a £100,000 Mortgage

Deposit %Deposit £Property Price
5%£5,263£105,263
10%£11,111£111,111
15%£17,647£117,647
20%£25,000£125,000
25%£33,333£133,333

Self-Employed or Limited Company Director?

  • Sole trader — net profit from your SA302. Most lenders average 2 years; some use latest year if higher.
  • Limited company director — salary plus dividends (standard), or salary plus retained profit at Halifax, Clydesdale and Kensington.
  • Contractor on a day rate — day rate × 5 × 46 weeks. £100/day = £23,000 assessed income, comfortably above the £100k threshold.

What Could Stop You Hitting £100,000?

  • Dependent children — each reduces borrowing by £8,000–£15,000, which bites harder on a lower base income.
  • Credit card balances — 3% of balance used as notional monthly. £2,000 balance ≈ £6,000 less borrowing.
  • Car finance — £200/month PCP = £12,000–£16,000 less borrowing.
  • Student loans — Plan 2 starts at £27,295; Plan 1 at £24,990.
  • Existing unsecured debt — personal loan monthly payments are deducted pound-for-pound.

See exactly which lenders will give you £100k — with your income

Find out who will lend you £100,000

No credit search. Results in 2 minutes.

Check My £100k Eligibility

Frequently Asked Questions

What salary do I need for a £100,000 mortgage in the UK?

Most UK lenders will offer a £100,000 mortgage on a single income of around £20,000 to £22,300, using a 4.49× to 5× multiple. Higher-multiple lenders at 5.5× need around £18,200, those reaching 6.0× need about £16,700, and HSBC Premier at 6.5× could lend £100k to a single applicant on roughly £15,400 — all subject to lender criteria, affordability and credit assessment.

Can I get a £100k mortgage on £20,000?

Yes — £20,000 is a 5× income multiple for £100k, which is comfortably within reach at higher-multiple lenders such as Barclays and NatWest (up to 6.0×) and TSB (up to 5.5×). £100k is the most accessible whole-number mortgage tier; on £20k most lenders will reach it, and a second income or modest overtime adds further headroom — subject to lender criteria, affordability and credit assessment.

How much deposit do I need for a £100k mortgage?

5% deposit on a £100k mortgage means buying a £105,300 property with £5,300 down. 10% is £11,100 on £111,100. First-time buyers pay no stamp duty at all at this purchase level, since prices sit well under the £300,000 FTB threshold. Lower deposits typically mean higher rates.

What are the monthly repayments on a £100,000 mortgage?

£100,000 at 4.5% over 25 years costs around £556 per month (repayment). At 5.0% it's about £585, at 5.5% it's about £614. Extending to a 30-year term at 4.5% drops the payment to roughly £507.

What salary do joint applicants need for £100k?

Combined household income of £20,000 to £22,300 is enough for £100k at most lenders. Two people on £10k–£11k each hit the threshold, so £100k is well within reach for part-time or early-career joint applicants. It is the most accessible borrowing tier on the ladder.

Next step in your buying journey

Ready to start the buying process?

Once you know what you can borrow, the next stages are getting mortgage ready, a Decision in Principle, and the property search. Our complete 11-stage buying guide walks you through everything from today to collecting the keys.

See the Full UK Home Buying Journey →
Written & reviewed byPhillip Wakeling-SmithMortgage Adviser (CeMAP)

We compare affordability across 58 UK lenders

HSBC logoBarclays logoNatWest logoNationwide logoHalifax logoSantander logo
58lenders compared