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Gilt table › T54

4 3/8% Treasury Gilt 2054

T54 · ISIN GB00BPSNBB36 · after-tax yield and tax breakdown · prices as of 26 Oct 2026 close (indicative)
Clean price
£80.71
% of par
Coupon
4.375%
paid semi-annually
Gross yield
5.778%
to maturity, pre-tax
Maturity
31 July 2054
~27.8 years
First issued
24 January 2024
~2.8 years ago
Modified duration
14.39
price sensitivity
Tax-free gain to par
+£1,929
per £10,000 nominal
Amount in issue
£32.1bn
DMO register, at close of business

Price & yield history

How T54's clean price, gross redemption yield and after-tax net yield have moved over time — up to 5 years, free. Comparing it with other gilts is part of Premium.

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Net yield after tax

Your income tax bandNet yieldSavings equiv*
No tax 5.778% —
Basic 20% 4.659% 5.97%
Higher 40% 3.650% 6.29%
Additional 45% 3.399% 6.41%

*Savings Rate Equivalent = the gross yield a fully-taxable savings account or bond would need to match this gilt's net yield, at that tax rate. Gilt coupons are taxed as income — at the rate in force when each is paid, which rises by 2 percentage points (to 22/42/47%) from 6 April 2027; the capital gain to par is exempt from CGT. Figures don't include your Personal Savings Allowance, so they're conservative. How we calculate this.

What this means

T54 is the UK Treasury gilt "4 3/8% Treasury Gilt 2054", paying a 4.375% annual coupon and redeeming at par (£100) on 31 July 2054 — about 27.8 years away. At its 26 Oct 2026 closing price of £80.71 the gross redemption yield is 5.778%. Trading below par, part of its return is a CGT-exempt capital gain to maturity (£1,929 per £10,000 nominal), so its net yield holds up better after tax than its coupon alone would suggest — a 45% taxpayer keeps 3.40% net. That is how UK gilts are taxed in practice: gilt coupons are taxed as income, while the capital gain is free of capital gains tax on any disposal — at redemption or an earlier sale — though interest accrued since the last coupon is taxed as income when you sell.

Compare with other gilts → Open in the gilt table

Nearby maturities

TG53 · 1.5% 2053 T53 · 3.75% 2053 TR54 · 1.625% 2054 TR4Q · 4.25% 2055

Prices are indicative closing levels for 26 Oct 2026 and may be delayed — see the live gilt table for current figures at your tax rate. Information only, not financial advice.

Information only — not financial advice. Gilt prices are indicative from last available close (26 Oct 2026) and may be delayed. Verify before transacting. UK tax treatment may change.