London (RBKC) – Ground Gas & Vapour Risk Assessment


Overview
Clear Environmental was instructed to undertake a ground gas and vapour risk assessment for a proposed residential development in the Royal Borough of Kensington and Chelsea (RBKC). The assessment was required to evaluate risks from ground gas, vapours, and radon, and to prepare a remediation strategy to satisfy planning conditions and protect future occupants.
Scope
- Review available ground investigation data and environmental records.
- Assess potential sources, pathways, and receptors for ground gas, vapour, and radon risks.
- Complete a quantitative risk assessment in line with local authority guidance.
- Develop a remediation strategy recommending proportionate mitigation measures.
- Provide a clear report suitable for submission to the local planning authority.


Outcome
The report was delivered within 10 working days of instruction, providing robust technical advice to inform mitigation measures. The assessment guided the design of ground gas, vapour, and radon protection systems, ensuring alignment with RBKC planning requirements and safeguarding future residents. This proactive approach gave the client confidence that environmental risks were fully addressed and planning conditions could be discharged without delay.