LOCATION

TA21 0AA - Flood, Heat, Air & Subsidence Risk - Wellington (TA21)

Somerset, Wellington (TA21)

Flood: LowHeat: LowerAir quality: LowGround: Low

Climate risk summary for TA21 0AA

TA21 0AA in Wellington (TA21) has a Low flood risk - EA NaFRA2 data records 1 property in a flood risk zone. 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 Sandstone geology; shrink-swell risk is classed as improbable (BGS GeoSure).

How does TA21 0AA compare with the rest of the UK?

  • Air pollution: cleaner than 78% of councils
  • Heat risk: cooler than 57% of councils
  • Subsidence risk: lower risk than 58% of postcodes
  • Green space access: less green access than 95% of English postcodes

What is the flood risk in TA21 0AA?

Flood risk at TA21 0AA is rated Low, based on Environment Agency NaFRA2 modelling.

Environment Agency flood zone data shows low flood risk for TA21 0AA in Wellington (TA21). EA NaFRA2 data shows 1 at low 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. For a specific property, a conveyancing search will confirm the exact flood zone position.

How is the air quality in TA21 0AA?

Air quality at TA21 0AA 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.

Is subsidence a risk at TA21 0AA?

BGS GeoSure data classes the underlying soil at TA21 0AA as Sandstone, 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.

Where does this data come from?

This LocalRisk report for TA21 0AA 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.

About the Somerset area

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.

What should buyers and renters check in TA21 0AA?

Practical check: EA flags just 1 property at flood risk here - check whether this one is among them via a formal flood search. 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 TA21 0AD is at localrisk.co.uk/postcode/TA210AD, and you can compare TA21 0AA side by side with any UK postcode at localrisk.co.uk/compare.