Shepherd's Bush carries more flood risk than a place this far from the sea has any business carrying. About a quarter of its postcodes sit in the highest river-and-sea zone. Allow for climate change and that grows to nearly half. More than a quarter flag high on at least one flood measure. Nothing on record has flooded, and the maps are drawn regardless.
On river and sea flooding, the Environment Agency's flood zones put about 24% of the area's postcodes in zone 3, the highest-probability band, and a further 2% in zone 2, the medium-probability fringe beyond it. The two bands don't overlap, so the smaller zone 2 figure is the extra ring around zone 3, and it doesn't contain it.
Surface water, the flooding that comes from heavy rain with nowhere to drain, has no separate share for the area. It enters the picture through the postcode indicators further down, which fold it in alongside rivers and sea.
The forward look is starker. On the Environment Agency's climate-allowance mapping, about 47% of the area's postcodes fall inside the flood zone once projected changes in rainfall and river flows are added. That is a modelled scenario for a future climate, and it is the version of the map that lenders and insurers increasingly look at.
For insurance, a zone 3 postcode usually means more questions on the application and a higher premium, and some insurers price individual addresses well above the street next door. Put the exact postcode into the Environment Agency's long-term flood risk service and get a buildings insurance quote on the specific property while you are still deciding on it, because the quote is where the risk turns into a monthly number.
Count the postcodes another way and the picture widens. Taking any one of several flood measures, surface water included, about 27% of the area's postcodes rate high on at least one, about 34% medium on at least one, and about 59% low on at least one. A postcode can appear in more than one of those groups, so they describe how widely some flood signal reaches, and a single postcode can carry a high rating on one measure and a low rating on another.
The defence question gets an odd answer here. In the Environment Agency's modelled flood extents, 0% of the area's postcodes fall in the high-risk extent with a defence present and 0% without one. That says the model's defended-or-undefended high-risk outlines do not reach these postcodes, and it says nothing about the zone 3 and surface-water flags above. A seller pointing to "flood defences" is quoting a word the model has not applied to any postcode here.
Sea level barely enters it. The nearest tide gauge in the record is at Portsmouth, where the sea rose by about 2 millimetres a year between 1962 and 2023. That is the rate measured on the south coast over those decades, and the fact that the closest gauge is that far away tells you how inland Shepherd's Bush is.
No historic flooding is recorded anywhere in the area. That is real comfort, and it covers only what someone wrote down.
Flood risk is a genuine weakness for Shepherd's Bush, with a quarter of postcodes in the top river-and-sea zone today and nearly half on the climate map. Buyers should check the specific property's zone and insurance quote before committing.