LOCATION

CA9 3BE - Flood, Heat, Air & Subsidence Risk - Alston (CA9)

Westmorland and Furness, Alston (CA9)

Flood: Very lowHeat: LowerAir quality: LowGround: Low

Climate risk summary for CA9 3BE

CA9 3BE in Alston (CA9) has a Very low flood risk - EA NaFRA2 data records no properties in a flood risk zone in this postcode. Heat risk is Lower, with a median (50th percentile) of 7 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 4.7 μg/m³, within the WHO annual guideline of 5 μg/m³ (Defra UK-AIR). Ground conditions are Low risk, with Glacial Till geology; shrink-swell risk is classed as improbable (BGS GeoSure).

How does CA9 3BE compare with the rest of the UK?

  • Air pollution: cleaner than 88% of councils
  • Heat risk: cooler than 89% of councils
  • Subsidence risk: lower risk than 58% of postcodes
  • Green space access: better green access than 81% of English postcodes

What is the flood risk in CA9 3BE?

Flood risk at CA9 3BE is rated Very Low, based on Environment Agency NaFRA2 modelling.

Environment Agency flood zone data shows very low flood risk for CA9 3BE in Alston (CA9). EA NaFRA2 data shows no properties at flood 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 CA9 3BE?

Air quality at CA9 3BE 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 CA9 3BE?

BGS GeoSure data classes the underlying soil at CA9 3BE as Glacial Till, 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 CA9 3BE 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 Westmorland and Furness and is updated as new official datasets are published.

Climate risk can change street by street, so it is worth checking neighbouring postcodes too. The full risk report for CA9 3AA is at localrisk.co.uk/postcode/CA93AA, and you can compare CA9 3BE side by side with any UK postcode at localrisk.co.uk/compare.