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RPI meaning

What does RPI mean?
In legal practice, RPI means the UK Retail Prices index, an inflation measure commonly used to index rents and service charges in leases, pensions and annuities, construction and facilities management price‑variation clauses, utilities and transport tariffs, and deferred or contingent consideration in corporate transactions. It is compiled and published monthly by the UK Office for National Statistics (ONS). Although still published, RPI has not been designated a National Statistic since 2013 due to methodological shortcomings. From 2030, its methods and data sources are scheduled to be aligned with CPIH, so RPI is expected to track CPIH more closely thereafter. Across England and Wales, Scotland and Northern Ireland, “RPI” is used consistently and is a descriptive term rather than a defined statutory concept. In Ireland, the comparable measure is the Central Statistics Office Consumer Price Index (CPI); Irish‑law contracts typically reference CPI unless they expressly adopt UK RPI. Drafting points: specify the exact series (usually All Items RPI), base month, calculation formula, rounding, caps/floors, review dates, and a clear fallback (for example CPIH or CPI) if RPI is discontinued or materially changed, given the 2030 reform and ONS notices.
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View the related Checklists about RPI

CHECKLISTS
Leasehold acquisition due diligence checklist: headlease rent types, payment, geared/turnover rents, open market and RPI/CPI reviews, outstanding reviews and sale contract issues (England and Wales)

This Flowchart This Flowchart outlines the criteria that must be met for the court to determine that a transaction amounts to a preference and award relief...

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CHECKLISTS
Statutory minimum increases and revaluation for occupational pensions: LPI caps, CPI/RPI changes, pre-1997 indexation and money purchase exceptions

Statutory minimum increase rates The summary below sets out the current statutory minimum uplift that occupational pension schemes must apply each year to each tranche of pension. Period of pensionable service to which the pension relates (or, for money purchase benefits, the period in which contributions were paid): Before 6 April 1997 — no statutory minimum increase. However, to refund surplus assets to a sponsoring employer under the Social Security Pensions Act 1975, s 58A, it was necessary (until 5 April 2006) to revalue all pensions in payment (excluding GMPs and money purchase benefits) annually in line with RPI, capped at 5%. Despite the absence of a statutory minimum, most defined benefit schemes provide some pre-1997 indexation under scheme rules or as a discretionary benefit. As at March 2023, research indicates that only 17% of members of private sector defined benefit schemes receive no pre-1997 indexation on benefits. There have been calls on the government to legislate to mandate inflation-linked increases to pensions...

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FLOWCHARTS
PSLA General Damages ‘Today’s Value’ calculation: RPI, Heil v Rankin and Simmons v Castle uplifts; mesothelioma exception (England and Wales) — flowchart

Practice Note: Protective costs orders (PCOs) in environmental matters This flowchart sets out the situations relevant to protective costs orders (PCOs) in environmental law cases. For information, refer to Practice Note: Protective costs orders (PCOs) in environmental matters...

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NEWS
Great Britain weekly energy law update: Ofgem code reform, RIIO-3 modifications, Green Heat Network Fund in Wales, FiT CPI indexation, social housing MEES, key consultations (9 April 2026)

In this issue: Key developments and materials Electricity and gas market regulation, licensing and taxation Networks and network connections Renewable energy Air emissions, efficiency, and climate change New and updated content Dates for your diary Trackers Energy resources on Lexis+® Daily and weekly news alerts Key developments and materials Ofgem consults on draft second preliminary Strategic Direction Statement for industry codes Ofgem has opened a consultation on SDS-2 for energy industry codes, outlining its strategic reading of government policy and sector shifts that could drive code changes over the next one to five years. It is seeking input on the proposed policy themes, how they are allocated across the ‘Act now’, ‘Think and plan’ and ‘Listen and wait’ horizons, and whether any significant topics are missing. Ofgem also asks for views on its plan to move SDS-2 from a preliminary document to a hybrid Strategic Direction Statement following the anticipated designation of the...

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NEWS
Pensions Ombudsman upholds employer’s refusal of discretionary RPI increase beyond 5%; no breach of Imperial duty where decision had regard to scheme finances (Mr Y, CAS-99766-L5X6)

Original news Mr Y (CAS-99766-L5X6)—30 April 2025 Summary The Pensions Ombudsman dismissed a grievance concerning discretionary uprating of pensions. A scheme newsletter had explained its intention to award RPI-linked rises, capped at 10% for members. The employer declined to approve inflation‑matching uplifts, arguing this was necessary to safeguard the Scheme’s long‑term financial position and stability. The Ombudsman concluded that the Scheme had applied the governing rules appropriately and in accordance with them. It further decided the employer’s refusal to grant any uplift was neither perverse nor irrational in the circumstances. The decision underscores the importance of robust due process whenever such determinations are made. What were the facts? Mr Y was a member of the Smiths Industries Pension Scheme (the Scheme)...

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NEWS
Pensions Ombudsman: employer’s refusal of discretionary RPI-linked increase not perverse or irrational; ‘stated aim’ non-binding; funding and long‑term security valid factors (Mr S, CAS-110689-M5K1)

Original news Mr S (CAS-110689-M5K1)– 26 November 2024 Summary The Pensions Ombudsman dismissed a complaint concerning discretionary pension increases. A scheme newsletter had indicated an intention to provide RPI-linked rises up to 10%. The employer declined to approve inflation-matching increases, pointing to the need to preserve the scheme’s long-term financial security. The Pensions Ombudsman found that the scheme had correctly followed its rules. The newsletter did not amount to a commitment that inflation-linked rises would be paid. The employer’s refusal to award any increase was neither perverse nor irrational. This outcome highlights how challenging it is to overturn the exercise of an employer’s discretion. What were the facts? Mr S was a deferred member of the Smiths Industries Pension Scheme (the Scheme)...

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View the related Practice Notes about RPI

PRACTICE NOTES
Scottish Commercial Lease Rent: Quarter Days, VAT, Interest, Open Market and Index-Linked Reviews, Turnover and Stepped Rents, Drafting Pitfalls, and Waiver of Late Review

This Practice Note explains the legal framework governing rent and rent review clauses in Scottish commercial leases. For disputed elements of rent and rent review, see Practice Notes: Rent arrears in commercial leases—recovering—Scotland and Commercial property rent review disputes—Scotland. Rent At common law, one essential requirement for a lease is the obligation to pay rent, even if only a token sum. Rent is typically due quarterly in advance on the Scottish quarter days; however, it is also frequent for leases where the landlord is an English property company or pension fund to specify payment on the English quarter days (see below) to maintain uniformity across the landlord's portfolio. After the 2008 recession, retail tenants increasingly sought to pay rent monthly in advance, and many landlords have been willing to consent to this. Such arrangements are generally personal to the original tenant and are recorded by a back letter; see Practice Note: Back letters to commercial leases in Scotland. The new Scottish quarter days are: Candlemas,...

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PRACTICE NOTES
UK Competition Commission final report: Imerys’ acquisition of Goonvean kaolin—SLC for performance‑mineral applications; behavioural remedy via five-year price cap (2013) [Archived]

CASE HUB ARCHIVED This archived case hub captures the position as at the decision date of 10 October 2013; it is not updated. For further details, see the timeline and commentary... Case facts Outline: UK merger inquiry into the completed purchase by Imerys Minerals of Goonvean’s kaolin (china clay) business... Latest developments The CC issued its final report on 10 October 2013. It found that the merger would result in an SLC for the supply of kaolin used in performance-mineral applications, but not for any other markets. As only one market is impacted, the CC determined that divestiture would be a disproportionate remedy; accordingly, it imposed a five-year price control, comprising a price cap through to the end of 2015 and an RPI—0.5% cap covering 2016–2018... Parties Imerys Minerals Limited and the kaolin (china clay) business of Goonvean Limited. Imerys Minerals operates in the extraction and supply of kaolin and other minerals in the UK—it extracts kaolin in Cornwall...

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PRACTICE NOTES
Private sector occupational pensions: indexation and revaluation from RPI to CPI—statutory framework, scheme rule interaction, key case law, PPF/FAS impacts, and forthcoming alignment of RPI with CPIH

FORTHCOMING DEVELOPMENT : Section 10 of the Finance Act 2022 is set to lift the normal minimum pension age (NMPA) from age 55 to age 57, with effect from 6 April 2028, while members of the firefighters, police and armed forces public service pension schemes are excluded from the change. The Act further provides that members of registered pension schemes may draw benefits before 57 where, on or before 4 November 2021, they already held an ‘unqualified right’ to access benefits, or were already in the midst of a substantive transfer to a scheme that, on or before 4 November 2021, conferred an unqualified right to a protected pension age of under 57. To rely upon this protection in 2028, the scheme’s rules must, as at 11 February 2021, have expressly contained an unqualified right to take entitlement to scheme benefits before reaching age 57. For additional guidance, see Practice Note: Increasing the normal minimum pension age (NMPA) to 57—pensions impact...

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PRECEDENTS
Will clause: Retail Prices Index (RPI)-linked pecuniary legacy with trustee discretion and optional free-of-tax provision

1 In clause 2 below, ‘the Sum’ means the amount arrived at by dividing £[ insert amount of legacy ] by the figure in the Index of Retail Prices for the month in which this Will is executed, allowing for any re-basing of that Index that may have occurred in the interim, and then multiplying by the corresponding figure in that Index for the month of my death. If, at that time, the latter figure is unavailable (whether because that Index has ceased publication or for any other reason), my Trustees—who may, if they think fit, refer to any other index they consider relevant and obtain whatever advice they deem appropriate—shall decide what, in their opinion, that figure would have been had it been available, and shall use the figure they determine for this calculation; their decision shall bind [ insert name of beneficiary ] and all persons interested in my estate. 2 I give the Sum [ free of tax ] to [ insert full name...

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Q&As
NRB trust IHT 10-year charge: RPI-linked debt; excepted settlement

How should the trustees report the amount of the debt for the purposes of IHT ten-year charge? Should they include any index-linked element of the debt? We have found no authority directly answering this. The principal, or ten‑year, charge is imposed on the value of relevant property held by the trustees immediately before the ten‑year anniversary (TYA). See Practice Note: Relevant property trusts—the principal (ten‑year) charge. Where the trustees’ asset is encumbered by a charge with an index‑linked feature, the trust fund must be valued correctly just before the TYA. That exercise turns on the precise balance outstanding at that point and on whether the index‑linkage ought to be reflected, notwithstanding it would only bite once the loan is redeemed. As a broad rule, where property is charged, the amount secured is deductible from the property’s value when computing the IHT charge (section 5(3) and sections 162–166 of the Inheritance Tax Act 1984 (IHTA 1984)). There are, however, limited departures from that general position. Consequently, the amount to be...

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