Improving the environment now and for future generations.


Climate action – we will reduce carbon emissions and work with clients to build resilient infrastructure against the effects of climate change.

Valuing nature – we will work to protect and enhance biodiversity by managing nature risks and enhancing green spaces.

Resource efficiency – we will work with our supply chain to use resources in a sustainable way throughout a project’s life cycle.

Our measures include:

  • Carbon emissions (scope 1-3)/£m revenue
  • Develop nature baseline
  • Tonnes waste/£m revenue

Scope 1 and 2

Reduction in carbon emissions of


against our FY19 baseline.

This represents a 18.7% reduction against our FY22 performance, from 38,967 tCO2e to 31,668 tCO2e

Scope 3

our scope 3 emissions were



This represents a 6.7% reduction against our FY22 performance, from 971,314 tCO2e


Carbon Reduction Plan

Our Carbon Reduction Plan conforms to the requirements of Procurement Policy Note PPN06/21; “Taking Account of Carbon Reduction Plans in the procurement of major government contracts”,  published in June 2021 and the supporting “Technical standard for the Completion of Carbon Reduction Plans”. 


View our Carbon Reduction Plan