Contaminated Land & Ground
Ground Gas / Geo-environmental
Ground gas monitoring and protection strategy.
At a glance
- Accepted by planning authorities UK-wide
- Fixed fee, quoted up front
- Fast, reliable turnaround
- One accountable point of contact
What it is
Assesses ground gas and vapour risks (methane, carbon dioxide, VOCs) and provides a gas protection strategy where needed.
When you need it
Where a Phase 1/2 identifies gas-generating conditions such as made ground, infilled land or a nearby landfill.
What you get
What's included
Gas monitoring well installation and rounds
Gas regime characterisation (Characteristic Situation)
Protection measures specification
Reporting to CIRIA C665 principles
Not sure whether you need a Ground Gas / Geo-environmental?
Send us your site postcode and a brief description of your proposed development, and we'll tell you whether a Ground Gas / Geo-environmental is likely to be required and what level of assessment your site may need — usually within a day, at no cost.
How it works
From quote to consent
Share your site
Send the postcode, plans and any council correspondence — we confirm scope and fee up front.
We assess & value-engineer
Our specialists prepare your Ground Gas / Geo-environmental, finding the most cost-effective route that still satisfies the regulator.
Consent-ready report
A clear report the authority will accept, with us on hand for any queries or conditions.
FAQs
Frequently asked
Why is ground gas a concern?
Gas can accumulate in buildings; a proportionate protection design keeps occupants safe.
How long does monitoring take?
It varies with ground conditions — we design the shortest robust monitoring period.
Related services
More in Contaminated Land & Ground
Phase 1 Preliminary Risk Assessment
LCRM-compliant assessments that identify contamination risks early and avoid unnecessary investigation.
View service →Phase 2 Site Investigation
Intrusive sampling and testing when a Phase 1 flags risk.
View service →Remediation Strategy & Verification
Discharging contamination conditions, cost-effectively.
View service →Tell us about your site
Send us your location and plans for a fast, fixed-fee quote — and honest advice on exactly which reports you do and don't need.