Flood Risk · Drainage · SuDS · Civil Engineering
Expert Civil Engineering Consultancy
CMB Civil Consulting delivers independent, professional civil engineering services with a specialist focus on drainage design, flood risk assessment, and sustainable drainage systems — helping you navigate complex technical challenges with clarity and confidence.
What We Do
Specialist Services
From initial flood risk screening through to full drainage design and adoption, we provide technical expertise at every stage of your project.
Flood Risk Assessment
Detailed FRA reports for planning applications, from screening-level assessments through to full Sequential and Exception Tests.
Learn more →Drainage Design
Bespoke drainage strategies and detailed design for residential and commercial developments, including Section 104 and Section 185 adoption.
Learn more →SuDS Design
Sustainable Drainage Systems that meet Lead Local Flood Authority requirements, incorporating attenuation, infiltration, and water quality measures.
Learn more →Civil Engineering
General civil engineering consultancy including site investigations, technical reports, planning support, and infrastructure design.
Learn more →Why Choose CMB
Independent Expertise You Can Trust
As a freelance civil engineering consultant, Christina Brown brings focused, personalised expertise to every project. With no large overhead to pass on, you get senior-level input at competitive rates — with direct access to the engineer working on your project from day one.
- ✓ Chartered civil engineer with specialist drainage expertise
- ✓ Direct, jargon-free communication throughout
- ✓ Fast turnaround on reports and technical documents
- ✓ Residential, commercial, and infrastructure projects
- ✓ UK-wide project coverage
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How It Works
A Simple, Transparent Process
01
Initial Enquiry
Describe your project — site details, planning stage, known constraints. We’ll respond quickly with a clear scope and fee proposal.
02
Scoping & Data Gathering
We collect the information needed — OS data, drainage records, Environment Agency flood maps — and review relevant planning constraints.
03
Technical Design & Reporting
Detailed drainage calculations, drawings, and technical reports prepared to the required standard for planning, adoption, or construction.
04
Review & Delivery
All documents issued for review. We respond to any technical queries from planners or statutory bodies until your project is approved.
Ready to Start?
Tell Us About Your Project
Whether you have a planning application in progress, a development scheme in early stages, or need a second opinion on a technical issue — get in touch for a no-obligation conversation.