Yes, and it is the single thing about this town that should change what you offer on a house. A third of postcodes carry a high rating on at least one flood measure. The sea has come over the defences within living memory. The beach itself had to be rebuilt after a storm took it away. Flood risk in Minehead is not a line in the survey, it is the reason you read the survey.
Start with rivers and the sea. The Environment Agency's flood zones put about 12% of the town's postcodes in zone three, the highest-probability band, and about 9% in zone two. Zone two is the medium-probability fringe lying beyond zone three rather than a wider ring containing it, so the smaller of those two numbers is not the reassuring one. They are separate bands describing separate ground.
Surface water is not broken out as its own share in this mapping. It is folded into the postcode indicators further down, which matters here more than in a flat town: North Hill rises steeply straight off the harbour shoreline, so water can arrive from above as readily as from in front.
With the climate allowance applied, the modelled zone covers about 10% of postcodes. That is what the mapping expects the zones to look like with future sea level and rainfall built in, rather than a separate hazard sitting on top of today's.
Insurance will notice all of this before you do. Cover for a property inside a high-risk band is obtainable and priced accordingly, flood excesses run harder than anything else in a policy, and the quote is address-specific rather than town-specific. Get an indicative quote before you instruct a solicitor, not after.
Across the town's postcodes, roughly 35% rate high on at least one flood measure, about 17% rate medium and around 32% rate low. That indicator folds surface water in alongside rivers and the sea, so it casts a wider net than the flood zones and the two sets of numbers describe different things. They must never be added together.
Counted as homes rather than postcodes, the Environment Agency's rivers-and-sea mapping lists 4,165 properties across the postcodes that carry any risk at all, with the 165 postcodes at no risk simply not appearing. Of those properties, 188 sit at high risk, 919 at medium, 591 at low and 672 at very low. Of the high-risk group, 169 are residential. A count of houses lands differently from a share of postcodes, and this is the figure to hold.
Whether anything stands between the water and the building is the question most flood summaries skip. About 20% of postcodes fall inside a modelled high-risk extent with no defence present in the model, and about 18% fall inside one where a defence is present. Defended describes the model, not your house. It means something is in the way, not that the water has agreed to respect it. Minehead has 34 recorded flood events, and the most recent, in October 1996, came from the sea by overtopping of defences.
The water is close by design. About 24% of the town's postcodes sit within 500 metres of the coast, a threshold the mapping defines rather than a claim about any particular street, the nearest postcode sits about 34 metres from the coastline, and the median across the town is roughly 855 metres.
Every postcode here is covered by a shoreline management plan, and across the twenty, fifty and hundred-year horizons the policy is hold the line: a stated intention to maintain defences where they currently stand. An intention is not a guarantee, and it is not the same thing as a defence that already exists in front of your particular wall.
At Devonport, the nearest tide gauge with a long record, sea level rose by about 2.35 millimetres a year across the 1962 to 2015 record. That is a measured historic rate over five decades, not a projection.
This is the weakest thing about Minehead by a distance, and the difference between a fine address and a genuinely exposed one runs down individual streets rather than across the town. Put the exact address into the Environment Agency's long-term flood risk service before you let the view do your thinking.