No targets available; showing actuals against baseline.
Carbon per million dollars of revenue. The legacy industry-standard reference (CDP, MSCI). Useful for cross-sector context, but distorted by margin — high-margin firms appear artificially efficient. Read alongside the operational and asset intensities for the full picture.
OpEx (operating expenditure) is the running cost of the business — staff, services, energy, materials. This shows how carbon-intensive operations are per million dollars of spend. Removes the margin distortion that revenue-based ratios introduce.
EVIC (Enterprise Value Including Cash) is the firm's total capital footprint — equity + debt + cash + minority interest. The EU's standard intensity measure (SFDR PAI 3) — answers: how much carbon does each million of capital deployed in this business produce?
PP&E (Property, Plant & Equipment) plus leased real-estate assets is the firm's physical infrastructure on the balance sheet. This shows the carbon intensity of that physical footprint — uses Scope 1+2+3 for consistency with the other headline intensities. Surfaces stranded-asset risk for asset-heavy firms.
Carbon per million dollars of physical infrastructure — PP&E plus leased real-estate, including upstream and downstream leased emissions (Scope 3 categories 8 + 13). The most complete view of physical-asset carbon intensity, relevant for REITs and infrastructure-heavy firms.
How the firm describes its decarbonisation approach in its own words — alongside the headline numbers above. Self-reported, page-cited.
In the UK, Laing O'Rourke achieved 100% renewable electricity procurement, contributing to a 20.4% fall in Scope 2 emissions from the FY23 baseline. In Australia, continued commitment to GreenPower renewable electricity certificates reduced Scope 2 emissions to zero and avoided approximately 3,059 tCO2e in FY25. The company also trialled Hydrotreated Vegetable Oil (HVO) as a renewable diesel substitute on two Australian projects, avoiding 82 tCO2e, and helped shape regulatory approval for renewable diesel use in Australia.
No narrative on durable removals approach in the firm's most recent reports.
A UK low-carbon concrete mandate delivered a 15.5% reduction in emissions from concrete in its second year. The Material Decarbonisation Initiative Guideline was developed to help deliver the near-term science-based target of a 25% reduction in Scope 3 emissions (2023 baseline), drawing on low-carbon designs and materials trialled on previous projects.
Australian operations applied minimum decarbonisation standards that avoided approximately 273 tCO2e through reduced fuel consumption at off-grid sites by using hybrid generators and/or solar-powered technologies.
The company trialled HVO on two Australian projects, avoiding 82 tCO2e, and applied minimum decarbonisation standards across Australian operations that avoided 193 tCO2e through biofuel use. Laing O'Rourke helped shape regulatory approval for renewable diesel use in Australia and contributed to the Australian Constructors Association Fossil Fuel Free Construction Guide.
A new hybrid and EV car scheme launched in the UK reduced business travel emissions by 28.2% from the FY23 baseline. In Australia, company car fleets are being transitioned to hybrid and electric vehicles as part of Scope 1 reduction efforts.
ISO 14001 Environmental Management and ISO 50001 Energy Management have been implemented across the business with annual audits; every project has a bespoke environmental and energy management plan. Investment in new boilers and chillers at the Dartford head office improved energy efficiency, and future plans include fitting energy monitoring systems to all site accommodation and sub-metering at new worksites/depots.
A low carbon concrete mandate for all new UK projects, introduced April 2023, delivered a 15.5% (6,719 tCO2e) reduction in concrete emissions versus FY22. Laing O'Rourke is a founding member of ConcreteZero, undertakes carbon hotspot analysis on every bid, and runs an in-house R&D programme to trial and scale lower-carbon concrete, reinforcement and design solutions.
Laing O'Rourke's vertically integrated, manufacturing-led Design for Manufacture and Assembly (DfMA) operating model accelerates construction, reduces on-site resource use and material waste, and lowers embodied carbon versus traditional build methods, exemplified by a new digital bridge solution deployed on the UK's M25.
Laing O'Rourke became the first UK constructor to commit to using low carbon concrete on all new projects, following a two-year R&D programme co-funded with Innovate UK and academic partners. In Australia the business introduced minimum standards for low carbon concrete and, in FY24, became the first Australian construction company to introduce a maximum tolerance for embodied emissions in concrete purchased directly or through subcontractors.
All diesel and petrol company cars have transitioned to hybrid/electric vehicles, with full transition to electric intended by 2025; five electric vans have been added and EV charging infrastructure installed at owned facilities. 80% of plant diesel has been replaced with ethically-sourced hydrotreated vegetable oil (HVO); 7 fully electric crawler cranes are in active use via Select; hybrid generators (e.g. PUNCH Flybrid) and battery storage (Ampd Enertainer, Zenobe) are deployed on sites to reduce diesel reliance.
The Group separately tracks and discloses Scope 3 Category 6 (business travel) and Category 7 (employee commuting) emissions, noting an increase in FY23 as operations returned to normal post-pandemic levels; these categories are being targeted for reduction as part of the broader Scope 3 action plan.
As a founding member of the Climate Group's ConcreteZero initiative (2022) and Australia's MECLA, Laing O'Rourke mandated use of only low carbon concrete on new UK projects from 1 April 2023 (est. 28% embodied carbon reduction vs FY22), and is investing in R&D toward ultra-low carbon and eventually cement-free concrete, since concrete purchases dominate its Scope 3 footprint (Category 1 = 92.6% of Scope 3).
Central to the 'Deliver 2025' strategy, the DfMA 70:60:30 operating model targets manufacturing 70% of a project off-site to improve productivity by 60% and cut programme time by 30%, reducing material waste and supporting sustainability, safety and quality outcomes across UK operations.
The Group is phasing out diesel across its plant fleet, switching to electric and biofuel alternatives for heavy plant and converting company car fleets to electric/hybrid vehicles; Australia purchased the country's first 250-tonne electric crawler cranes. The Group targets converting its entire fleet to electric or hydrogen-powered alternatives by 2030, though biofuel availability in Australia has slowed progress.
As part of Scope 1 and 2 abatement, the Group introduced a UK mandate to replace diesel with HVO (hydrotreated vegetable oil) in heavy plant, alongside investment in a more sustainable fleet of plant and machinery, to cut direct operational emissions.
Through the IETF-funded 'Decarbonising Manufactured Concrete' project with the University of Cambridge and University of Sheffield AMRC, the firm is investigating low-carbon concrete, steel and aggregate materials and technologies across the full production process. The business also increased use of alternative cementitious materials to 39.35% of mix (2021), against a >30% business target, to reduce embodied carbon.
The company reduced factory waste intensity (kg/tonne) by 14% versus 2020 and diverted 99.28% of non-hazardous waste from landfill in 2021, against a 75% reduction and 99% landfill-diversion target by 2024. It also utilises materials between business units to avoid sending materials offsite as waste.
The firm reduced energy intensity (kWh per tonne of production output) by 25% from 2020 to 2021 and installed electric vehicle charging points to support a shift of staff vehicles from diesel to electric/hybrid. A working group is also assessing transition of plant equipment from red diesel to Hydrotreated Vegetable Oil (HVO), viewed as a stepping stone toward full electrification of internal combustion equipment.
Laing O'Rourke uses Design for Manufacture and Assembly (DfMA 70:60:30) and offsite manufacturing at its Centre of Excellence for Modern Construction to reduce embodied carbon and waste. The delivery of Liverpool Street Crossrail station as an offsite manufacturing solution generated savings of 30% in embodied carbon emissions and seven tonnes of wood waste compared to a similar in-situ project. Offsite manufacturing is central to the Group's efficiency and decarbonisation efforts across its own operations.
The Group continues to pursue innovations to reduce the carbon emissions of its concrete solutions, including collaboration on concrete mix innovations and its D-Frame pre-cast structural solution, recognised for practicability, carbon reduction and potential for deconstruction and re-use. Pre-cast products have been re-certified to the BES6001 standard for responsible sourcing.
Laing O'Rourke has developed and externally certified an ISO50001 Energy Management System, underpinned by a target to reduce energy consumption by 27% by 2023 from a 2016-17 baseline, to accelerate reduction of direct energy consumption and carbon emissions. The Group reported a 50% reduction in carbon emissions in 2018-19 versus its original 2010 baseline, and its UK carbon footprint is certified to the CEMARS standard.
Scope 3 purchased goods and services represent 85% of Laing O'Rourke's footprint and remain the largest driver of emissions growth. The company published a UK Sustainability Supply Chain Charter setting minimum standards for partners, and is working with suppliers of its most carbon-intensive products to secure high-quality, activity-based data rather than relying on spend-based estimates that inflate reported emissions.
Laing O'Rourke engages its supply chain via Gold membership of the Supply Chain Sustainability School and a new Supply Chain Sustainability Charter with a balanced scorecard rewarding sustainable practices. Plans include increasing the proportion of higher-quality Scope 3 data from suppliers and Environmental Product Declarations (EPDs), and collaborating with supply chain partners to innovate and decarbonise jointly.
The Board approved a Supply Chain Sustainability Charter setting out environmental and social value expectations of supply chain partners, aiming to drive decarbonisation and sustainability performance across dependent upstream value-chain emissions.
The Group is developing and implementing Scope 3 Category 1 carbon dashboards by FY26 and embedding carbon forecasting into the bid evaluation process, recognising that Scope 3 (largely purchased goods and materials) represents over 96 per cent of its carbon footprint.
Launched a supply chain carbon awareness programme and partnered with the Supply Chain Sustainability School (holding board positions in UK and Australia) to build training, standardise emissions reporting, and reduce the burden on smaller suppliers, aiming to cut emissions from purchased goods and services which represent the largest share of Scope 3.
The firm holds BES6001 Responsible Sourcing certification (Pass) and reports that 85% of its supply chain is ISO14001/9001/45001 certified. It runs supplier engagement days (e.g. October 2021) and is developing Environmental Product Declarations (EPDs) using supply-chain EPD data via the One Click LCA tool, aiming to benchmark and reduce embodied carbon contributed by suppliers.
87% of aggregate materials delivered to site in 2021 were sourced within 40 miles of the facility, reducing upstream transport emissions. The firm also works with Explore Transport to maximise delivery capacity, utilise return journeys, and return transportation materials to the facility for reuse, reducing dependent (logistics/supply-chain) emissions.
No target available for this scope.
No target available for this scope.
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