Somerset, Cannard's Grave (BA4)
BA4 4AJ in Cannard's Grave (BA4) has a High flood risk - EA NaFRA2 data records 1 property at high flood risk. Heat risk is Lower, with a median (50th percentile) of 21 days above 25°C per year, averaged over the 2021-2040 period under the RCP8.5 high emissions scenario (Met Office UKCP18). Air quality is Low at PM2.5 5.5 μg/m³, above the WHO annual guideline of 5 μg/m³ (Defra UK-AIR). Ground conditions are Low risk, with Siltstone And Halite geology; shrink-swell risk is classed as improbable (BGS GeoSure).
Flood risk at BA4 4AJ is rated High, based on Environment Agency NaFRA2 modelling.
Environment Agency flood zone data places BA4 4AJ in the high flood risk band. EA NaFRA2 data shows 1 at high risk in this postcode. The band reflects the highest flood risk within the postcode; some properties within this postcode may face little or no direct flood risk. A formal flood risk search and review of buildings insurance availability is recommended before any property transaction in this area.
Air quality at BA4 4AJ is rated Low, based on Defra UK-AIR annual mean PM2.5 data. Fine particulate matter (PM2.5) comes primarily from road traffic, industry, and domestic burning. Long-term exposure above the WHO guideline of 5 µg/m³ is linked to respiratory and cardiovascular health risks. Buyers and renters in higher air quality risk areas may wish to consider whether the property is near busy roads or industrial sources.
BGS GeoSure data classes the underlying soil at BA4 4AJ as Siltstone And Halite, with shrink-swell hazard rated improbable (subsidence risk band: Low). Soil type and shrink-swell behaviour drive subsidence claims following dry summers; recent ABI data shows insurer payouts rose sharply after the 2022 and 2025 hot summers. A structural survey is the reliable way to assess ground risk for a specific property.
This LocalRisk report for BA4 4AJ draws on four official UK open data sources: Environment Agency NaFRA2 flood modelling, Met Office UKCP18 climate projections, Defra UK-AIR PM2.5 monitoring, and British Geological Survey GeoSure subsidence mapping. Risk ratings are a screening tool, complementing - not replacing - the searches and surveys ordered as part of a property transaction. Data covers Somerset and is updated as new official datasets are published.
Somerset has a varied rural and coastal setting with the low-lying Somerset Levels, river catchments, hills and market towns, and experiences cool, wet winters and mild summers, shaped by Atlantic weather and flat lowland areas.
Practical check: With 1 property at high flood risk here, ask about past flooding events, check the entrance threshold height relative to road level, and review buildings insurance terms. With 21 hot days projected (UKCP18 50th percentile, 2021-2040 average under RCP8.5), note which bedrooms face west (hottest in evening) and whether windows allow through-ventilation. These are postcode-level indicators - conditions vary between individual properties.
Climate risk can change street by street, so it is worth checking neighbouring postcodes too. The full risk report for BA4 4AA is at localrisk.co.uk/postcode/BA44AA, and you can compare BA4 4AJ side by side with any UK postcode at localrisk.co.uk/compare.