River flood zones versus surface water flooding in the UK: concepts buyers confuse

Fluvial risk from rivers is not the same as surface water risk after intense rain. Maps and searches cover different mechanisms. Read both where available.

Practical takeaway

Ask about historic internal flooding even when the river map looks quiet. Check highway drainage patterns on site.

Use Property Passport UK alongside official checkers as a layered briefing, not a single score.

General information only.