Some of it, and mostly not from the river. The river flood zones barely touch the town. A handful of homes carry a high rivers-and-sea rating. Around one postcode in eleven rates high on at least one flood measure. The risk here sits in particular streets, not across the whole town.
The Environment Agency's river-and-sea flood zones cover very little of Woodley. About 3% of the area's postcodes sit in flood zone 2, the medium-probability band, and none sit in flood zone 3, the highest-probability band. The two zones are separate bands, so zone 2 is the fringe beyond zone 3 rather than a larger area containing it. The River Loddon flows close to the east of the town, and the Environment Agency holds 23 recorded flood events for the area, the most recent in December 1991, on a main river where the channel's capacity was exceeded with no raised defences. About 2% of the area falls inside historic flood outlines.
Surface water is the other half of the question, the rain that falls faster than drains can clear it, and it does not follow the river map. The river-and-sea zones say little about it, which is why a postcode outside every flood zone can still carry a rating. A buyer who checks only the river map and stops has checked half the risk.
Looking forward, the Environment Agency's climate-adjusted flood zone covers about 3% of the area, the same share as today's zone 2. On current modelling, the river-and-sea footprint is not expected to spread much across Woodley.
For most addresses, flood risk should not trouble a standard home insurance quote. For the minority of streets carrying a higher rating, premiums and excesses can be higher and some insurers will ask more questions. The time to find that out is before an offer, not after exchange.
On the postcode indicators, which fold surface water in alongside rivers and sea, about 9% of Woodley's postcodes rate high on at least one measure, about 13% medium and about 29% low. These bands overlap with the zone figures and measure something wider, so they cannot be added together. A high rating on one measure means one of the ways water can reach that postcode is rated high, not that every home in it will flood.
Counting homes rather than postcodes, the Environment Agency's rivers-and-sea mapping lists 12 postcodes carrying some risk, containing 327 properties. Of those, 20 properties are at high risk, 17 of them residential, three at medium and 35 at low. Postcodes with no rivers-and-sea risk do not appear in that list at all.
On defences, the modelling shows no postcodes inside the high-risk extent in either the undefended or the defended version, and about 1% inside the low-risk undefended extent. Where a defence does appear in the model, it means a defence is present, not that the homes behind it are safe.
The nearest tide gauge in the national record is at Portsmouth, where sea level rose at about 2 millimetres a year across its record from 1962 to 2023. That is a measured historic rate at a distant coast. Woodley's flood question is about rain and the Loddon, not the sea.
Before buying in Woodley:
- Put the exact address into the Environment Agency's long-term flood-risk tool and read the surface-water result as well as the rivers result.
- Ask the seller directly whether the property has ever flooded or made a flood claim.
- Get an indicative home insurance quote before instructing a solicitor.
- Ask your solicitor to include a flood search in the conveyancing searches.
Woodley's flood risk is middling: small and concentrated, with most homes clear, and a minority of streets where the address check is worth more than the town average.