Flood Risk Guide · Manchester
Flood risk in Manchester
Know My Postcode · 2026-04-12 · Environment Agency data
Manchester has flood risk along the River Irwell and its tributaries, which flooded significantly in 2015. Before buying or renting in Manchester, always check the flood risk for the specific postcode — not just the general area.
Higher flood risk areas in Manchester
- Salford Quays and Media City area
- Parts of Didsbury near the Mersey
- Stretford and Urmston
- Parts of Chorlton near the Mersey
Lower flood risk areas in Manchester
- Most of south Manchester away from rivers
- Most of north Manchester
- Stockport town centre
Flood defences in Manchester
Manchester has invested significantly in flood defences since the 2015 floods, including the Salford Flood Alleviation Scheme.
Understanding flood zones
- Zone 1 — Low risk: Less than 0.1% annual probability of flooding. Most properties fall here
- Zone 2 — Medium risk: 0.1% to 1% annual probability. Extra checks recommended before buying
- Zone 3 — High risk: Greater than 1% annual probability. Mortgage and insurance can be affected
Always check both river/coastal flood risk AND surface water flood risk for the most complete picture.