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High Cost Area Supplement Calculator

Calculate your London weighting — High Cost Area Supplement for Inner London, Outer London and Fringe zones.

Embed this tool on your site — free

Your Details

£

Zone eligibility is based on your employer's location, not where you live. Some trusts just outside London pay Fringe rates — check your contract.

Your Supplement

Basic salary£37,705
HCAS (Inner London)+£7,541
Total salary incl. HCAS
£45,246
≈ £3,771/month gross
HCAS is pensionable pay and counts towards unsocial hours enhancements. Min/max limits shown are indicative 2025/26 figures — always confirm current published rates with NHS Employers.