'Your First Home' UK Government Equity Loan Calculator (Help to Buy Replacement)

Calculate your monthly mortgage repayments and Year 6 equity loan interest fees using a 5% buyer deposit and a 15%–20% (up to 40% in London) Government equity loan that is interest-free for the first 5 years.

'Your First Home' Component (£350k Property) Standard UK (20% Equity Loan) Greater London (40% Equity Loan)
First-Time Buyer Cash Deposit (5%) £17,500 (5%) £17,500 (5%)
Government Equity Loan (Interest-Free Yrs 1–5) £70,000 (20%) £140,000 (40%)
Main Lender Mortgage Required £262,500 (75% LTV) £192,500 (55% LTV)
Year 6 Equity Loan Interest Fee (1.75%) £102.08 / month £204.17 / month

Frequently Asked Questions (2026/27 & 2027/28 UK Rules)

How does interest work on the 'Your First Home' Government equity loan?

The Government equity loan is interest-free for the first 5 years (you only pay a £1/month management fee). In Year 6, interest starts at 1.75% of the original equity loan amount and rises annually by CPI + 2%.

Authoritative UK Calculators & 2027/28 Early Access