LOCATION

LS17 0AF - Flood, Heat, Air & Subsidence Risk - Boston Spa (LS17)

North Yorkshire, Boston Spa (LS17)

Flood: Very lowHeat: LowerAir quality: LowGround: Low

Climate risk summary for LS17 0AF

LS17 0AF in Boston Spa (LS17) 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 12 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 Glacial Till geology; shrink-swell risk is classed as improbable (BGS GeoSure).

How does LS17 0AF compare with the rest of the UK?

  • Air pollution: cleaner than 77% of councils
  • Heat risk: cooler than 79% of councils
  • Subsidence risk: lower risk than 58% of postcodes
  • Green space access: less green access than 65% of English postcodes

What is the flood risk in LS17 0AF?

Flood risk at LS17 0AF is rated Very Low, based on Environment Agency NaFRA2 modelling.

Environment Agency flood zone data shows very low flood risk for LS17 0AF in Boston Spa (LS17). 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 LS17 0AF?

Air quality at LS17 0AF 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 LS17 0AF?

BGS GeoSure data classes the underlying soil at LS17 0AF 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 LS17 0AF 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 North Yorkshire and is updated as new official datasets are published.

About the North Yorkshire area

North Yorkshire spans a vast and varied landscape of uplands, river valleys, moorland and coastal areas and experiences cool, wet winters and mild summers, shaped by elevation, exposure and distance from the coast.