PAS 2080

What is PAS 2080?

PAS 2080 — Carbon Management in Buildings and Infrastructure — was originally published in 2016 with a focus on infrastructure and was significantly revised in 2023 to cover buildings as well. It is published by BSI and developed with input from the Green Construction Board, the Institution of Civil Engineers, and industry stakeholders.

The standard provides a framework for managing carbon across the entire lifecycle of a built asset, from design and material specification through construction, operation, maintenance, and end-of-life. It introduces the concept of "whole-life carbon" — the sum of embodied carbon (emissions from materials, manufacturing, transport, and construction) and operational carbon (emissions from energy use during the building or infrastructure asset's life), plus end-of-life emissions (demolition, disposal, recycling).

PAS 2080 is structured around a value chain approach, defining roles and responsibilities for different participants: asset owners/managers (who set carbon requirements and targets), designers (who make carbon-critical design decisions), constructors (who manage construction-phase carbon), and product/material suppliers (who provide carbon data for their products). Each participant has specific obligations for carbon measurement, reduction, and reporting.

The standard requires organisations to: set a carbon baseline for projects and programmes; establish carbon reduction targets; integrate carbon into decision-making at every project stage (feasibility, design, procurement, construction, operation); measure and report actual carbon performance; and continuously improve through lessons learned.

PAS 2080 is particularly significant in UK infrastructure and construction because it is increasingly referenced in public procurement. Network Rail, Highways England (now National Highways), HS2, and many local authorities reference PAS 2080 in their procurement frameworks. The standard has been instrumental in driving the measurement and reduction of embodied carbon in the construction sector — an area previously overlooked in favour of operational energy performance.

PAS 2080 references and aligns with BS EN 15978 (Assessment of Environmental Performance of Buildings — Lifecycle Assessment) and the RICS Whole Life Carbon Assessment guidance. It is complementary to, but distinct from, operational carbon reporting frameworks like SECR and the GHG Protocol — it focuses specifically on the built environment and includes lifecycle stages (modules A1-A5, B1-B7, C1-C4, and D) as defined in the European standards.

How Climatise Helps

Climatise supports operational carbon reporting for organisations in the built environment, providing the Scope 1, 2, and 3 data needed alongside PAS 2080 whole-life carbon assessments. The platform's site-level breakdowns help asset owners and managers track operational carbon against PAS 2080 targets.

Frequently Asked Questions