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Water
We deliver flood risk assessments, hydraulic modelling, and mitigation strategies that satisfy planners and regulators.
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Flood Risk & Civil Engineering
Expert Flood Risk & Civil Engineering Consultancy
We deliver technically rigorous flood risk, drainage, and environmental advice with a 30+ specialist team. From single plots to major infrastructure, homeowner extensions to housing developments, our clients rely on us for 5-10 day turnarounds and a 98% recommendation rate.
UK-wide delivery
Multi-disciplinary by design
We combine water, civils, and environment specialists under one roof so you move from concept to approval without delays.
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engineers and consultants
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day turnaround
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projects delivered
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local authority relationships
Services
Three divisions. One accountable team.
We cover every stage of planning, design, and delivery with in-house specialists who coordinate fast.
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Civils
We design SuDS, highway access, and drainage solutions that align with DMRB and Manual for Streets standards.
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Environment
We solve nutrient neutrality constraints with clear budgets, mitigation options, and defensible evidence.
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Service Comparison
Side-by-side clarity for every discipline.
Compare the outcomes, tools, and deliverables across our three divisions and focus the view that matters most.
Water
Evidence-led flood risk assessments and hydraulic modelling for fast approvals.
- FRA + drainage strategy packages
- TUFLOW, HEC-RAS, Flood Modeller Pro
- Mitigation options and planning support
Civils
SuDS, highways, and access design that aligns with local authority standards.
- SuDS layouts and adoption strategy
- Highways access and Section 38 support
- Cost-viable infrastructure phasing
Environment
Nutrient neutrality advice with defensible evidence and mitigation delivery.
- Nutrient budgets and evidence packs
- Mitigation options and offset delivery
- Regulator-ready reporting
Case Studies
Featured outcomes across the UK.
Three recent examples of how our teams unlock planning approvals and keep delivery on track.
Residential
Capital Gate, Ilford
Navigated complex surface water risks and sequential test changes to secure planning approval.
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Mixed Use
Dew Drop Inn
Managed complex surface water flood risk for a challenging redevelopment site.
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Infrastructure
Helios Renewable Energy
DCO flood modelling for major solar development with comprehensive hydraulic analysis.
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Clients
Trusted by developers, planners, and infrastructure teams.
Lakeside
Northgate
CivicLine
Stonebridge
Asteron
Wrenfield
Why Aegaea
We bring speed, depth, and accountability to every project.
Faster approvals
We deliver reports in 5-10 working days, so you keep planning timetables on track.
Technical credibility
We build models with TUFLOW, Flood Modeller Pro, HEC-RAS, and Infoworks to challenge flood maps and prove mitigation.
Full-stack delivery
We integrate water, civils, and environment expertise to solve constraints early and reduce redesign cycles.
Trusted partners
Planning consultants and developers use us as their go-to technical partner across the UK.
Technical Credentials
Industry-recognized expertise.
Modelling Software
TUFLOW, Flood Modeller Pro, HEC-RAS, Infoworks ICM
Professional Bodies
CIWEM, CIHT, ICE chartered members
Regulatory Experience
EA, SEPA, NRW, LLFAs across UK
International Projects
World Bank, EIB, development agencies
Team
Meet the specialists behind the outcomes.
Our directors and principals bring decades of experience across flood risk, drainage, and highways design.
James Mahoney
Daniel Cook
Nora Balboni
Testimonials
Clients stay with us because we deliver.
“The team at Aegaea are our go-to contact for flood risk or drainage matters.”
Atlas Planning“Thorough and considered approach which continuously leads to successful solutions.”
Wilbury Planning★★★★★
from 118+ reviews on Reviews.co.uk