30/10/2026
On a flood-risk site, the section drawing can be just as important as the floor plan.
It can be tempting to treat flood risk as a report to commission once the building's position, floor levels and layout have already been decided. But those are often among the decisions the flood assessment needs to inform.
A well-considered early strategy may need to address more than a proposed finished floor level: site-specific flood levels and sources, the position of vulnerable uses, safe access and escape, external level changes, water management, and how the building would resist flooding or recover if water enters.
The planning approach is generally to avoid risk where possible, control it, mitigate the remainder and manage residual risk. Measures suitable for one site or use are not automatically acceptable on another.
Flood resistance or resilience measures are not a shortcut around the planning principle of development or the appropriate Sequential and Exception Tests where these apply.
If you're looking at land or a building project in a flood-risk area, getting the constraints and levels into the design conversation at the outset can save a great deal of redesign.
TaC Architects can help assess the architectural implications and coordinate the specialist information needed for an informed way forward.
Illustrative architectural imagery only; not a verified scheme, flood-risk solution or planning approval.