LOCATION

PL18 9AA - Flood, Heat, Air & Subsidence Risk - Drakewalls (PL18)

Cornwall, Drakewalls (PL18)

Flood: Very lowHeat: LowerAir quality: LowGround: Low

Climate risk summary for PL18 9AA

PL18 9AA in Drakewalls (PL18) 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 9 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 5.1 μg/m³, above the WHO annual guideline of 5 μg/m³ (Defra UK-AIR). Ground conditions are Low risk, with Argillite-Slate geology; shrink-swell risk is classed as improbable (BGS GeoClimate).

How does PL18 9AA compare with the rest of the UK?

  • Air pollution: cleaner than 82% of councils
  • Heat risk: cooler than 84% of councils
  • Subsidence risk: lower risk than 58% of postcodes
  • Green space access: less green access than 64% of English postcodes

What is the flood risk in PL18 9AA?

Flood risk at PL18 9AA is rated Very Low, based on Environment Agency NaFRA2 modelling.

Environment Agency flood zone data shows very low flood risk for PL18 9AA in Drakewalls (PL18). 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 PL18 9AA?

Air quality at PL18 9AA 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 PL18 9AA?

British Geological Survey data classes the underlying soil at PL18 9AA as Argillite-Slate, with shrink-swell hazard rated improbable (subsidence risk band: Low). A structural survey is the reliable way to assess ground conditions for a specific property.

Where does this data come from?

This LocalRisk report for PL18 9AA 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 GeoClimate subsidence mapping. Risk ratings are a screening tool, complementing - not replacing - the searches and surveys ordered as part of a property transaction. Data covers Cornwall and is updated as new official datasets are published.

About the Cornwall area

Cornwall has an exposed coastal and rural setting with upland moors and river valleys and experiences cool, wet winters and mild summers, shaped by Atlantic influences and varied topography.

Climate risk can change street by street, so it is worth checking neighbouring postcodes too. The full risk report for PL18 9AA is at localrisk.co.uk/postcode/PL189AA, and you can compare PL18 9AA side by side with any UK postcode at localrisk.co.uk/compare.