Basement Impact Assessments London

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H Fraser Consulting provides Basement Impact Assessments for basement developments in London.

London Basement Impact Assessment specialists

Basement developments are becoming increasingly popular across London, with many boroughs now requiring a Basement Impact Assessment (BIA) as part of the planning application process. BIA requirements vary by borough and depend on the type of development. Our track record includes complying with the most rigorous requirements from Camden, Westminster, Kensington and Chelsea and Islington.

H Fraser Consulting provides expert hydrogeological consultancy to help developers and architects navigate complex BIA requirements, ensuring compliance while optimising design efficiency. We support architects, planners, structural engineers, developers, and homeowners in securing planning permission for basement extensions, new basements, or basements within new builds. 

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BIA planning permission experience

A critical aspect of Basement Impact Assessments (BIA) is understanding the potential impact of basement developments on groundwater conditions. Our hydrogeological services provide essential insights into how basement construction may affect groundwater flow, water table levels, and nearby structures, ensuring compliance with local planning requirements. We deliver the following services for basement projects:

Our experience and knowledge helps navigate complex BIA requirements efficiently, ensuring compliance while potentially saving you both time and costs. 

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What’s included in our BIA service?

By integrating groundwater expertise early in the design process, we help developers and architects minimise planning delays, reduce costly revisions, and ensure compliant, sustainable and resilient basement developments in London. We offer:

  • A proven track record in gaining planning permission
  • A one stop-shop for basement impact assessments
  • High quality reporting for a fixed fee
  • A tailored and proportionate approach for each project
  • Excellent customer service
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Contact us today to see how we can help.

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Recent basement impact assessment case studies