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100% Client-Side • Amortization Excel Export

£600,000 UK Mortgage Repayment Calculator

Key Financial Facts & Estimates (At a Glance)
Monthly P&I Payment$2,654/mo
Total Lifetime Interest$316,318
Total Loan Cost$796,318
Recommended Income (28% DTI)$113,760/yr

Mortgage Calculator with Amortization Schedule

Calculate your total monthly mortgage payment including principal, interest, taxes, insurance, and PMI with full amortization schedule export.

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100% Client-Side In-Browser Computation • No loan or financial data leaves your browser
Updated for October 2026 Freddie Mac PMMS (October 25, 2026): 30-Year Fixed at 7.32%, 15-Year Fixed at 6.68% (10-Yr Treasury 5.00%, Fed Funds Target 3.75%–4.00%)
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Home price slider$600,000
$50000 $2000000
$
Down payment percentage slider20 %
0 %50 %
%
Mortgage interest rate slider4.45 %
2 %14 %
Taxes, Insurance & Extra Payments
$
$
$

Shortens loan term & saves interest

Monthly Payment Breakdown

Total Monthly Payment
$2,979

Principal & Interest: $2,654 • Taxes: $267 • Insurance: $58

Loan Amount Financed
$480,000
Total Interest Paid
$316,318
Total Loan Cost (P+I)
$796,318
Payoff Time
25.1 Years (301 mos)
Loading interactive chart...
Amortization Schedule (26 Years)
Showing first 26 rows
PeriodPaymentPrincipalInterestTotal InterestBalance
Year 1$31,852.68$10,709.35$21,143.33$21,143.33$469,290.65
Year 2$31,852.68$11,195.76$20,656.92$41,800.25$458,094.89
Year 3$31,852.68$11,704.26$20,148.42$61,948.67$446,390.63
Year 4$31,852.68$12,235.87$19,616.81$81,565.48$434,154.76
Year 5$31,852.68$12,791.59$19,061.09$100,626.57$421,363.17
Year 6$31,852.68$13,372.57$18,480.11$119,106.68$407,990.6
Year 7$31,852.68$13,979.96$17,872.72$136,979.4$394,010.64
Year 8$31,852.68$14,614.9$17,237.78$154,217.18$379,395.74
Year 9$31,852.68$15,278.68$16,574$170,791.18$364,117.06
Year 10$31,852.68$15,972.62$15,880.06$186,671.24$348,144.44
Year 11$31,852.68$16,698.08$15,154.6$201,825.84$331,446.36
Year 12$31,852.68$17,456.51$14,396.17$216,222.01$313,989.85
Year 13$31,852.68$18,249.35$13,603.33$229,825.34$295,740.5
Year 14$31,852.68$19,078.22$12,774.46$242,599.8$276,662.28
Year 15$31,852.68$19,944.73$11,907.95$254,507.75$256,717.55
Year 16$31,852.68$20,850.62$11,002.06$265,509.81$235,866.93
Year 17$31,852.68$21,797.62$10,055.06$275,564.87$214,069.31
Year 18$31,852.68$22,787.64$9,065.04$284,629.91$191,281.67
Year 19$31,852.68$23,822.63$8,030.05$292,659.96$167,459.04
Year 20$31,852.68$24,904.65$6,948.03$299,607.99$142,554.39
Year 21$31,852.68$26,035.78$5,816.9$305,424.89$116,518.61
Year 22$31,852.68$27,218.29$4,634.39$310,059.28$89,300.32
Year 23$31,852.68$28,454.52$3,398.16$313,457.44$60,845.8
Year 24$31,852.68$29,746.89$2,105.79$315,563.23$31,098.91
Year 25$31,852.68$31,097.96$754.72$316,317.95$0.95
Year 26$0.95$0.95$0$316,317.95$0
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National Benchmark Rates • Freddie Mac PMMS (October 2026)

Compare Top Mortgage & Refinance Rates

Estimated monthly principal & interest based on a $480,000 mortgage. Primary source: Freddie Mac PMMS (October 2026).

No SSN or Credit Pull Required
Loan ProductInterest RateAPREst. Monthly P&IAction
30-Year Fixed
7.40%7.48%$3,323/moCheck Rates
15-Year Fixed
6.71%6.84%$4,237/moCheck Rates
5/1 Adj. Rate (ARM)
6.65%7.15%$3,081/moCheck Rates
FHA / VA 30-Year
6.85%7.35%$3,145/moCheck Rates

Shop Multiple Lenders

Borrowers who compare 3+ quotes save an average of $84,000 over a 30-year term.

Points vs Zero-Cost

Paying discount points lowers your ongoing interest rate if you plan to stay 5+ years.

PMI Removal Rules

Request private mortgage insurance cancellation as soon as your loan-to-value reaches 80%.

Advertising & Affiliate Disclosure: ConvertSheet is an independent educational calculation service and may receive compensation from partner financial institutions when users click to compare rates. Zero client data or calculated figures are ever shared.

Side-by-Side Analysis

15-Year vs. 30-Year Mortgage Side-by-Side

Compare monthly payments against lifetime interest costs on a $480,000 loan.

Quick Amounts:
Total Interest Saved with 15-Year
$372,424
Save 60.8% on total interest
Monthly payment is +$965 higher
Monthly Payment Burden+$965/mo on 15-Yr
15-Year Fixed (5.8%)$3,999/mo
30-Year Fixed (6.5%)$3,034/mo
Lifetime Interest CostSave $372,424
15-Year Fixed (Interest)$239,790
30-Year Fixed (Interest)$612,214
Financial Metric15-Year Fixed (5.8%)30-Year Fixed (6.5%)Difference
Monthly P&I Payment$3,999$3,034+$965 /mo
Total Interest Paid$239,790$612,214-$372,424
Total Cost of Mortgage$719,790$1,092,214-$372,424
Payoff Timeframe180 Months (15 Yrs)360 Months (30 Yrs)15 Years Sooner

15-Year Forced Discipline vs. 30-Year Payment Flexibility

✓ Choose 15-Year Fixed for Forced Wealth Accumulation

Guarantees full debt freedom in 15 years while saving $372,424 in interest. Ideal for stable, high-earning households where the +$965/mo higher payment stays below 28% of monthly income.

✓ Choose 30-Year Fixed with Voluntary Prepayment

Protects cash-flow with a lower required payment ($3,034/mo). You can voluntarily apply the extra $965/mo toward principal when finances allow, achieving a 15-year payoff without strict obligation.

Total Monthly Payment$2,979/mo
💡 Direct Answer: With a 20% deposit (£120,000) on a £600,000 UK home, the mortgage amount is £480,000. At 4.45% over 25 years, monthly repayments are £2,654. Total interest paid over 25 years is £316,200.

Side-by-Side Term Comparison: £600,000 UK Mortgage Repayment Calculator

Loan TermEst. APRMonthly PaymentTotal InterestTotal Loan Cost
15-Year Fixed3.85%$3,515/mo$152,615$632,615
20-Year Fixed4.15%$2,947/mo$227,228$707,228
30-Year Fixed (Standard)4.45%$2,418/mo$390,426$870,426
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About £600,000 UK Mortgage Repayment Calculator

Designed for higher-bracket UK property buyers. Analyzes mortgage options across prime regional markets, computes SDLT liabilities (which exceed first-time buyer relief thresholds), and demonstrates lifetime interest savings through regular monthly overpayments.

Formula & Computation Model
Exact Computation
Monthly P&I = P * [r(1+r)^n] / [(1+r)^n - 1]
Variable Definitions:
P = Principal Loan Amountr = Monthly Interest Rate (Annual Rate / 12)and n = Total Number of Payments (Months).

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Help & Documentation

Frequently Asked Questions: £600,000 UK Mortgage Repayment Calculator

Clear mathematical answers to key questions, calculations, and loan parameters.

How much Stamp Duty is due on a £600,000 UK property?

For next-home buyers, SDLT is 0% on the first £250,000, 5% on £250,001 to £600,000 (£17,500), for a total Stamp Duty tax of £17,500. First-time buyer relief is not applicable above £625,000.

How much can I save by overpaying £200 a month on a £480,000 loan?

Overpaying £200/month from month one saves approximately £38,400 in interest and reduces your mortgage term by 2 years and 9 months.

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