Yes, in parts. Ashford was founded at a ford where two rivers meet, and the rivers still turn up now and then to remind everyone. About one postcode in twenty sits in the highest-risk river flood zone. Nearly one in five rates high risk on at least one flood measure. Hundreds of homes are in the highest-risk band. The risk isn't spread across the whole town. It's concentrated, and a buyer can find out exactly where.
The Environment Agency's river and sea mapping puts about 5% of the area's postcodes in flood zone 3, the high-probability band. Another 3% sit in zone 2, the medium-probability fringe beyond zone 3. The two bands don't overlap, so zone 2 is the extra ring around zone 3, not a larger area that includes it. Most of this follows the Great Stour and East Stour, where they meet south of the town centre, which is why the land there spent most of its history as fields.
Surface water is a separate problem and doesn't show up in the river zones. It is rain with nowhere to go, it doesn't need a river, and it can reach a street that looks nowhere near water. About 15% of postcodes fall under the River Stour (Kent) Internal Drainage Board, the body that manages water levels on low-lying land, which tells you how much of Ashford depends on the ditches doing their job. No separate surface-water share for the town is given here, so check the address itself on the Environment Agency's long-term flood risk service rather than trusting a listing that says "no flooding history".
Looking ahead, the Environment Agency's climate-adjusted flood zone covers about 12% of postcodes, against 5% in today's zone 3. That is the modellers' view of where the water could reach once wetter weather is allowed for. A house sitting just outside the current zone could end up inside it during your mortgage.
Insurers price by address. A home in or near a flood zone can come with a higher premium, a bigger flood excess or fewer insurers willing to quote. Get a buildings insurance quote on the exact address before you exchange contracts. The survey will tell you about the roof, but the insurer is the one who tells you about the river.
At postcode level, about 18% of Ashford's postcodes rate high risk on at least one measure, 17% medium and 36% low. "At least one measure" means rivers, sea and surface water are counted together, and a postcode only needs one of them to qualify. These figures overlap with the flood zones above and should not be added to them. They answer a wider question: does any kind of flooding reach this postcode?
Counting homes rather than postcodes, the Environment Agency's rivers and sea mapping lists 4,597 properties in postcodes that carry some risk. Of those, 369 are at high risk, 113 at medium risk, 1,335 at low risk and 411 at very low risk. Postcodes with no river or sea risk aren't listed at all, so these counts cover only the at-risk part of town, not the whole of it.
About 5% of postcodes fall inside the high-risk flood extent with no defence in the model, and about 3% fall inside it with one. "Defended" only means the model includes a defence, such as a wall, bank or storage area, between the water and the home. It doesn't mean the house is safe. Defences can be overtopped, can fail and can go without maintenance, and the estate agent is unlikely to mention any of that in the particulars.
At Dover, the nearest tide gauge, sea level rose by about 2 millimetres a year across its 1961 to 2010 record. That is a measured rate from the past, not a forecast. Ashford is inland and its risk is almost entirely from rivers and rain, so the sea figure matters less here than it does on the coast.
Flooding is Ashford's weak spot. The risk is real, it is concentrated along the two rivers, and the fix is simple: check the exact address before you fall for the kitchen.