From rivers, hardly at all. From heavy rain, sometimes. Almost none of the village's postcodes sit in the river flood zones, and none are in the highest one. Surface water is where the risk lies. Check the specific street before you trust the village's reputation.
On the Environment Agency's river-and-sea mapping, about 1% of Limpsfield's postcodes fall in flood zone 2 and none in flood zone 3. The zones don't overlap: zone 3 is the high-probability core and zone 2 is the medium-probability fringe beyond it. So nothing here is in the core, and a sliver sits on the fringe. For a village whose lowest point runs down to the River Eden at Staffhurst Wood, the rivers are mostly someone else's problem.
Surface water is a different measure and a different risk. It comes from rain with nowhere to go: a lane that turns into a stream, or a garden at the bottom of a slope. The river zones don't show it, so a clean result on a river flood map doesn't cover it.
With the Environment Agency's climate allowance added, the share of postcodes in the flood zones stays at about 1%. The forward look doesn't change much for the rivers.
For insurance, a home outside the river zones usually won't struggle for cover. A home flagged for surface water can still face questions from an insurer, and some properties on the same road will be treated differently from others. Get an indicative quote for the exact address before you instruct a solicitor, not after exchange.
At postcode level, the measure widens to include surface water alongside rivers and sea. About 12% of postcodes rate high on at least one flood measure, about 7% medium and about 25% low. These bands overlap with the river zones above, so don't add them together or read them as the same thing. The gap between about 1% in the river zones and about 12% high on at least one measure is surface water showing up.
The Environment Agency also counts properties, not just postcodes. In its rivers-and-sea mapping, only 5 postcodes in the area carry any risk at all, and together they hold 101 properties. Of those, 7 are rated high risk, one medium and one low. Two of the seven high-risk properties are homes. It's a small number, but for those two households it's the only number that matters.
On whether anything stands between the water and the house, the modelling finds no postcodes inside the high-probability flood extent, either with or without defences. That means the model has no defence to credit here, not that every house is safe. Where a defence does appear in a flood model, that only means a defence exists, not that it will keep the water out.
The nearest tide gauge in the national record is at Portsmouth, where the sea has risen by about 2 millimetres a year over the record from 1962 to 2023. That's a measured historic rate, not a forecast, and for an inland village under the North Downs it's background rather than a threat.
Limpsfield's flood risk is middling overall: the rivers largely leave it alone, but surface water can flood individual streets and houses. Treat any flag on a particular property as seriously as the insurer will.