Environmental consultancy that helps clients deliver responsible developments — from standalone air quality assessments to coordinated flood risk and SuDS design.
Keystone works with public authorities, infrastructure developers, landowners and property companies on projects that protect natural resources and meet planning requirements. Experience ranges from major highways schemes to residential development on brownfield or constrained land.
Residential
Air quality and odour consultancy for a proposed 1,300-home garden village in north Lowestoft.
Strategic Land
Five years of flood risk, hydraulic modelling and drainage engineering to unlock a 136-hectare urban extension west of Skegness.
Environment
Natural flood management interventions across nine sites along the Thet and Little Ouse rivers.
Residential
Air quality consultancy for a major regeneration delivering 407 dwellings and a community building.
Transport & Infrastructure
Geo-environmental services following closure of the A21 northbound carriageway near Hastings in January 2023.
Residential
Air quality consultancy, appointed in 2023, for a proposed 31-home development in Palmers Green, Enfield.
Share the project brief, programme and the services you need. The team will review the enquiry and respond with a clear next step.