PL21 0AP - Flood, Heat, Air & Subsidence Risk - Ivybridge

South Hams, Ivybridge

PL21 0AP in Ivybridge 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 11 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 5.0 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).

• Flood: EA NaFRA2: no properties at flood risk in this postcode.
• Heat: Projected 11 days above 25°C per year, 2021-2040 average (Met Office UKCP18, 50th percentile under RCP8.5).
• Air quality: PM2.5 5.0 µg/m³ - above the WHO annual guideline of 5 µg/m³ (Defra UK-AIR).
• Ground: BGS data: Argillite-Slate geology. Shrink-swell risk classed as improbable (British Geological Survey).
• Green space: less than 1% of addresses within 200m of green space - below the England median (ONS).

Flood risk at PL21 0AP is rated Very Low, based on Environment Agency NaFRA2 modelling.

Air quality at PL21 0AP 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 PL21 0AP 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.

This LocalRisk report for PL21 0AP 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 South Hams and is updated as new official datasets are published.

South Hams has a predominantly rural and coastal setting with estuaries, rolling countryside and exposed South Devon coastline and experiences cool, wet winters and mild summers, influenced by maritime exposure and varied topography.

Environment Agency flood zone data shows very low flood risk for PL21 0AP in Ivybridge. 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.