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Gilt table › TR31
Index-linked · RPI

0⅛% Index-linked Treasury Gilt 2031

TR31 · ISIN GB00BNNGP551 · real yield and inflation comparison · prices as of 26 Oct 2026 close (indicative)
Clean price
£95.29
before inflation uplift
Real coupon
0.125%
uplifted by RPI
Real yield
1.139%
above inflation
Maturity
10 August 2031
~4.8 years
First issued
28 January 2021
~5.7 years ago
Break-even inflation
3.75%
market-implied RPI
Amount in issue
£17.8bn
DMO register, at close of business
Type
RPI-linked
inflation-protected

Price & yield history

How TR31's clean price, real yield and after-tax net real yield have moved over time — up to 5 years, free. Comparing it with other gilts is part of Premium.

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Net real yield after tax

Your income tax bandNet real yieldSavings equiv*
No tax 1.139% —
Basic 20% 1.110% —
Higher 40% 1.084% —
Additional 45% 1.077% —

Real yields are returns above RPI inflation. The coupon (including its inflation uplift) is taxed as income — 2 percentage points more from 6 April 2027 (22/42/47%); the inflation uplift on the principal is free of CGT. Figures don't include your Personal Savings Allowance. How we calculate this.

What this means

TR31 is the UK index-linked gilt "0⅛% Index-linked Treasury Gilt 2031", maturing 10 August 2031. Both its coupon and its principal are uplifted by RPI inflation, so the quoted real yield of 1.139% is the return you earn on top of inflation. At its 26 Oct 2026 price of £95.29 (clean, before inflation adjustment) the market-implied break-even inflation is 3.75%: if RPI averages more than that until 2031, TR31 beats a conventional gilt of the same maturity; if less, the conventional gilt wins. The inflation uplift on the principal is free of capital gains tax; the (inflation-uplifted) coupon is taxable as income. That is index-linked gilt tax treatment in practice. Compare it with a conventional gilt. Note: UK index-linked gilts have no deflation floor — sustained deflation can reduce the redemption value below par.

Break-even vs a conventional gilt → Open in the gilt table

Nearby index-linked gilts

T29 · 0.125% 2029 T30I · 4.125% 2030 T32 · 1.25% 2032 T33 · 0.75% 2033

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.