LOCATION

PL4 0AT - Flood, Heat, Air & Subsidence Risk - St Jude's (PL4)

Plymouth, St Jude's (PL4)

Flood: Very lowHeat: LowerAir quality: LowGround: Low

Climate risk summary for PL4 0AT

PL4 0AT in St Jude's (PL4) 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 13 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 Argillite-Slate geology; shrink-swell risk is classed as improbable (BGS GeoSure).

How does PL4 0AT compare with the rest of the UK?

  • Air pollution: cleaner than 70% of councils
  • Heat risk: cooler than 75% 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 PL4 0AT?

Flood risk at PL4 0AT is rated Very Low, based on Environment Agency NaFRA2 modelling.

Environment Agency flood zone data shows very low flood risk for PL4 0AT in St Jude's (PL4). 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 PL4 0AT?

Air quality at PL4 0AT 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 PL4 0AT?

BGS GeoSure data classes the underlying soil at PL4 0AT as Argillite-Slate, 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 PL4 0AT 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 Plymouth and is updated as new official datasets are published.

About the Plymouth area

Plymouth has a coastal city setting with steep river valleys, estuaries and rising ground inland and experiences cool, wet winters and mild summers, shaped by maritime influence and complex topography.

Climate risk can change street by street, so it is worth checking neighbouring postcodes too. The full risk report for PL4 0AA is at localrisk.co.uk/postcode/PL40AA, and you can compare PL4 0AT side by side with any UK postcode at localrisk.co.uk/compare.