Mortgagecalculators

Use our free tools to estimate your monthly repayments, borrowing power, and stamp duty costs. All figures are for guidance — contact us for a personalised quote.

Mortgage repayment calculator

Estimate your monthly mortgage payments

£

Enter the full purchase price

£

How much you are putting down

1%4.50%10%
5 yrs25 years35 yrs

Monthly repayment

£2,001

per month (capital & interest)

Loan amount

£360,000

LTV ratio

90%

Total interest

£240,299

Total repaid

£600,299

Get a real quote →

For illustration only. Actual rates depend on your circumstances, lender, and the product chosen. Contact us for an accurate personalised quote.

Borrowing power calculator

How much could you borrow based on your income?

£

Before tax

Most lenders use 4–4.5x income. Some specialist lenders offer up to 5.5x for certain professions. We search the whole market to maximise your borrowing.

Annual income

£50,000

Conservative (×4)£200,000
Typical (×4.5)£225,000
Maximum (×5)£250,000
Check your eligibility →

Income multiples vary by lender and are subject to full affordability assessment. This is an estimate only.

Stamp duty calculator

England rates — updated for April 2025

£

Stamp duty to pay

£10,000

Effective rate: 2.50%

Up to £125,000 @ 0%
£125,001 – £250,000 @ 2%£2,500
£250,001 – £925,000 @ 5%£7,500
£925,001 – £1,500,000 @ 10%
Over £1,500,000 @ 12%
Total cost (inc. SDLT)£410,000
Get mortgage advice →

Rates applicable in England from 1 April 2025. Scotland and Wales have different rates. For illustration only — consult your solicitor for a precise SDLT figure.

BTL rental income tax calculator

Compare personal ownership vs limited company / SPV — includes Section 24

£

Total gross rent received per year

£

Agent fees, insurance, repairs — not mortgage interest

£

Interest portion of your BTL mortgage payments

£

Gross salary, pension etc. — used for your personal tax band

Personal ownership

Net tax on rental income

£2,000

Effective rate: 12.5% · £667/mo cash after tax & mortgage

Rental income£18,000
Less: allowable expenses−£2,000
Less: mortgage interest payments−£6,000
Cash profit before tax£10,000
— TAX CALCULATION (Section 24) —
Taxable profit (interest not deductible)£16,000
Income tax (20% marginal)£3,200
Section 24 credit (20% × £6,000)−£1,200
Net income tax£2,000
Annual cash profit after tax£8,000
Monthly cash profit after tax£667/mo

Uses 2025/26 income tax and corporation tax rates. For illustration only — does not account for all reliefs or personal circumstances. Consult a qualified tax adviser before making decisions.

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