Guidance snapshot
Water collects on the surface after rain instead of draining away correctly.
Drainage problems range from a blocked gully needing clearing, to a surface laid without adequate fall, to an undersized drainage system. Persistent water can accelerate frost damage and become a safety issue.
Watch-outs
- Water running toward a property is a building risk — get it assessed quickly
- A permeable surface swap is often cheaper than a drainage engineering solution
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