Civils Services

Surface Water Drainage & SuDS

We design sustainable drainage systems that satisfy planners, LLFAs, and water companies. Our engineers support projects from pre-application concepts to discharge of conditions.

SuDS specialists Planning support
Surface water drainage design
What we do

Drainage strategies that secure approval.

We design SuDS management trains, coordinate with utilities, and deliver clear design documentation. Our team integrates drainage with flood risk mitigation and highways layouts so schemes work as a whole.

We advise on Schedule 3 compliance in Wales and local authority requirements across the UK.

Design coverage Runoff calculations and greenfield rates Infiltration testing and storage sizing Adoption-ready drawings and maintenance plans
Our Approach

Delivering SuDS from concept to build-out.

  1. Early feasibility

    We assess site constraints, infiltration potential, and discharge routes.

  2. Concept strategy

    We design management trains and draft drainage layouts.

  3. Detailed design

    We size storage, model flows, and coordinate with highways geometry.

  4. Planning support

    We answer technical queries and support condition discharge.

Why Aegaea

We align drainage with planning outcomes.

  • We design SuDS that satisfy LLFAs and water companies.
  • We integrate flood risk, highways, and civils in one team.
  • We deliver clear drawings and maintainability plans.

Tools we use

MicroDrainage, AutoCAD Civil 3D, GIS, and bespoke spreadsheets.

Next step

Shape a drainage strategy that works first time.

We deliver coordinated drainage solutions that support planning approvals.