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NHS · Agenda for Change · FY 2026/27 Calc-engine routed

NHS Band 4 entry step.

Penny-accurate take-home for an NHS Band 4 on the entry step — basic pay of £28,392, the cliff-edge Tier 2 · 6.5% NHS pension as a Net Pay Arrangement, and Inner / Outer London HCAS side by side.

Engine note · `computeNhsBreakdown()` — HCAS floor/cap clamp, cliff-edge pension on the whole gross, NI on full gross, PAYE on the post-pension base. Integer pence, no float drift.

Basic (national)
£28,392
Net monthly
£1,874
Effective rate
20.8%

National

No HCAS supplement

Monthly take-home

£1,874

Annual take-home
£22,485
Pensionable gross
£28,392
HCAS supplement

Outer London

15% HCAS · floor / cap clamped

Monthly take-home

£2,105

Annual take-home
£25,260
Pensionable gross
£33,262
HCAS supplement
+£4,870

Inner London

20% HCAS · floor / cap clamped

Monthly take-home

£2,155

Annual take-home
£25,864
Pensionable gross
£34,186
HCAS supplement
+£5,794

Deduction stack · NHS Band 4 Entry

Standard tax code 1257L, no student loan. NHS pension is a Net Pay Arrangement (deducted before PAYE); NI is charged on the full pensionable gross. Layer pension tiers, HCAS and student loans live in the NHS calculator.

Line item NationalOuter LondonInner London
Pensionable gross £28,392 £33,262 £34,186
HCAS supplement £0 £4,870 £5,794
NHS pension £1,845 £2,761 £2,837
Income tax (PAYE) £2,795 £3,586 £3,756
National Insurance £1,266 £1,655 £1,729
Annual take-home £22,485 £25,260 £25,864
Monthly take-home £1,874 £2,105 £2,155

Reference · 2026/27 FROZEN

The Tier 2 · 6.5% NHS pension and HMRC thresholds driving the national column above.

  • Basic salary £28,392
  • NHS pension tier Tier 2 · 6.5%
  • Pension contribution £1,845
  • Inner London HCAS £5,794
  • Outer London HCAS £4,870
  • Personal Allowance £12,570