Yes, and a buyer can't treat it as a footnote. Nearly half the town's postcodes carry a high flood risk on at least one measure. Almost one in five sits in the highest-risk river flood zone. The river has come out of its channel here within living memory. Whether a particular house is affected comes down to the address, not the town's general reputation.
The Environment Agency's river-and-sea flood zones put about 18% of Paddock Wood's postcodes in Zone 3, the high-probability band. About 20% sit in Zone 2, the medium-probability fringe beyond it. The two bands don't overlap: Zone 2 is the extra ring around Zone 3, not a bigger area that contains it. Those two bands between them account for a large share of the town, and anyone who assumes a Kent commuter town must be on high ground is about to be corrected by a map.
There is no separate surface-water figure for the town, so that risk appears here only inside the combined postcode measure further down. What the ground does make plain is how wet it is: about 33% of postcodes fall within the Upper Medway Internal Drainage Board's area. Boards like that exist to keep low-lying land drained, and they don't get set up for places that stay dry on their own.
Looking ahead, about 56% of postcodes fall inside the flood zones once the Environment Agency's climate-change allowance is applied. That's a modelled future extent, not a prediction for any one winter, but it is the version of the map that the next thirty years of a mortgage will actually be lived in.
Insurance follows the map. A property in or near the higher flood zones can cost more to insure, carry a higher excess, or narrow the list of insurers willing to quote. Buyers who leave the quote until after exchange are betting their deposit that the insurer shares their optimism. Insurers aren't known for optimism.
The site's own postcode indicators fold surface water in with rivers and sea. On at least one of those measures, about 47% of postcodes rate high, about 22% medium and about 62% low. A postcode can appear in more than one band, so these shares overlap and don't sum to anything. They overlap with the flood-zone figures above too, and adding the two sets together would count the same streets twice.
Counting homes rather than postcodes gives a harder number. The Environment Agency's rivers-and-sea mapping lists 3,349 properties in the postcodes carrying some risk, and 908 of them are at high risk, 696 of those residential. Another 8 are at medium risk, 816 at low risk and 8 at very low risk. Postcodes with no mapped river or sea risk aren't listed at all, so this is a count of the exposed part of the town, not all of it.
On defences, the model puts about 18% of postcodes inside the high-risk extent with no defence present and about 18% inside it with a defence present. That near-even split is the fact to hold onto. "Defended" means a defence exists in the model. It doesn't mean the house stays dry, and anyone who reads it that way is doing the brochure writer's job for them. The Environment Agency holds 32 recorded flood events for the area, the latest in December 2013, when a main river overflowed its channel with no raised defences in the way.
The nearest tide gauge, at Dover, recorded sea level rising by about 2 millimetres a year across its 1961 to 2010 record. That's a measured historic rate at a coastal gauge, not a forecast for an inland town, but it is the background the rivers drain into.
Before committing to a house here:
- Put the exact address into the Environment Agency's long-term flood risk service, for both rivers and surface water.
- Get an indicative buildings insurance quote before instructing a solicitor.
- Ask the seller directly whether the property has flooded or made a flood claim.
- Make sure the conveyancing includes an environmental and flood search.
- Check whether the property sits inside the Upper Medway Internal Drainage Board's area.
Flood risk is Paddock Wood's weakest point and a serious one: a real share of the town sits in river flood zones, and the future map is wetter than the current one. Buy here with the flood search in hand, never on the hope that the river has changed its mind.