What CIBSE published

On 7 August 2026, CIBSE announced updated Economic Life Expectancy Tables. Its announcement describes closer alignment with RICS NRM3 asset descriptions and SFG20 maintenance schedules, alongside a tool for adjusting reference service-life estimates.

This is analysis of that August announcement, rather than a new release this week.

The project question for contractors

Our practical interpretation is to bring asset information into the design conversation early. If a refurbishment intends to retain plant, identify the records available and the conditions the proposed design assumes.

A reference-life estimate and a finding about a particular installation answer different questions. Agree what project-specific information is required before making a retention or replacement decision.

A useful next step

Put the asset schedule, available maintenance information and proposed new duty beside the existing-services drawings. Identify gaps that affect the design brief.

Engin can discuss a defined validation or design review, with the required outputs agreed around the project question.

Sources and context

Source reporting is distinguished from Engin’s project commentary. This article is not project-specific design or compliance advice. Prepared with AI assistance and source checks. Editorial approach.

Make it useful on your project

Relying on existing plant for your next project?

Speak to Ben about the information you have and the next decision your team needs to make.

Discuss this with Ben