​Our FRAs cover any size or type of scheme in all sectors (residential, commercial, industrial, energy, education, public, private) and can be undertaken at every stage of the project i.e., project feasibility, site selection, pre or post planning.​

We take pride in ensuring you understand what you are getting and why.

  • We produce FRA reports for planning; This can include SUDS and Drainage report and calculations for planning

  • We provide advice on tweaks required to your scheme design to ensure compliance / save costs

  • We produce sustainability FRAs to secure credits (eg: BREAM).


Detailed Drainage Design


  • All adoptable (S104 of the Water Industry Act) and private drainage design suitable for construction

  • Sewer diversions/build-over agreements (S185 of the Water Industry Act)

Flood Risk Assessments and Sustainable Drainage Systems - FAQs


Who are our reports compliant for?

  • Your project aspirations: including minimising design and project costs

  • We provide fully compliant FRAs to secure approval from the local council, the Environment Agency, Natural Resources Wales, the Scottish Environmental Protection Agency and the Lead Local Flood Authorities

  • Concept through to detailed drainage designs and calculations including SuDs (Sustainable Drainage) design.

  • Drainage and SuDs Maintenance and Management reports 


What mandatory legislation/guidance will we ensure you are compliant with?

  • PPG 2015 / NPPF: Sequential Tests and Exception Tests

  • SUDS Guidance (March 2015)

  • New Climate Change Allowances (Feb 2016)

  • Welsh TAN 15 and guidance

  • Scottish SPP and guidance



FRA & SUDS Reports for planning

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"We received approval for the 2 x new houses today; I just wanted to thank you again for the fast turnaround and subsequent revision to the SuDS report."

Mr G. Christen

Bonnystreet Planning Ltd


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