From 6 April 2026, guaranteed minimum pensions (GMPs) linked to post‑1988 service in Northern Ireland will rise by 3%, after the Department for Communities sealed the Guaranteed Minimum Pensions Increase Order (Northern Ireland) 2026 on 12 March. The move keeps parity with Great Britain, where ministers set the same rate last month. (lgpslibrary.org)

GMP is the slice of a defined benefit pension earned when employers contracted out of the state’s additional pension. For the years 1988–89 to 1996–97, schemes must uprate that slice each April in line with prices but capped at 3%. The 2026 Orders confirm that cap is what applies this year. (commonslibrary.parliament.uk)

Why 3% rather than the full inflation figure? The Office for National Statistics put CPI at 3.8% for the year to September 2025-the benchmark used for 2026 uprating-but statute only requires schemes to pay up to 3% on the post‑1988 GMP. The cap does the rest. (ons.gov.uk)

For pensioners, this means the post‑1988 GMP element in payment goes up by 3% from April. Those who reached State Pension age before 6 April 2016 typically see any CPI above 3% reflected through the state system rather than the scheme, while people under the newer State Pension have different arrangements-public service schemes, in particular, provide full indexation on the GMP under separate policy. (commonslibrary.parliament.uk)

Trustees and administrators working with Northern Ireland members should switch the change on for April runs, update member letters and ensure calculations clearly split pre‑88 GMP (no statutory uprating), post‑88 GMP (3% this year) and excess benefits. Employers with cross‑border payrolls should note that NI mirrors GB on this point. (lgpslibrary.org)

The Order was sealed by senior Department for Communities official David Tarr on 12 March 2026 and is made under the Pension Schemes (Northern Ireland) Act 1993. It applies to contracted‑out, defined benefit schemes and uses the same ‘relevant period’-1988–89 to 1996–97-used across the UK framework.

For readers running operations on both sides of the Irish Sea, the instruction is straightforward: apply 3% to the post‑1988 GMP in GB and in NI from 6 April 2026, and keep an eye on each September’s CPI print for the following year’s setting. (lgpslibrary.org)

This sits alongside the wider 3.8% uplift to public service pensions from 6 April 2026, driven by the September‑to‑September CPI measure. That main‑scheme increase is separate from the GMP cap, so members may see different percentages applying to different parts of their pension. (gov.uk)

Members should see the change reflected in their usual April or May payment schedule depending on scheme timetables. If in doubt, ask your scheme for a breakdown showing how the 3% applies to the post‑1988 GMP and how other elements are being increased.