LOCATION

HX2 0AT - Flood, Heat, Air & Subsidence Risk - Halifax (HX2)

Calderdale, Halifax (HX2)

Flood: LowHeat: LowerAir quality: MediumGround: Low

Climate risk summary for HX2 0AT

HX2 0AT in Halifax (HX2) has a Low flood risk - EA NaFRA2 data records 14 properties in a flood risk zone. Heat risk is Lower, with a median (50th percentile) of 10 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 Medium at PM2.5 6.6 μg/m³, above the WHO annual guideline of 5 μg/m³ (Defra UK-AIR). Ground conditions are Low risk, with Sandstone geology; shrink-swell risk is classed as improbable (BGS GeoSure).

How does HX2 0AT compare with the rest of the UK?

  • Air pollution: cleaner than 53% of councils
  • Heat risk: cooler than 81% of councils
  • Subsidence risk: lower risk than 58% of postcodes
  • Green space access: better green access than 83% of English postcodes

What is the flood risk in HX2 0AT?

Flood risk at HX2 0AT is rated Low, based on Environment Agency NaFRA2 modelling.

Environment Agency flood zone data shows low flood risk for HX2 0AT in Halifax (HX2). EA NaFRA2 data shows 14 at low 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 HX2 0AT?

Air quality at HX2 0AT is rated Medium, 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 HX2 0AT?

BGS GeoSure data classes the underlying soil at HX2 0AT as Sandstone, 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 HX2 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 Calderdale and is updated as new official datasets are published.

About the Calderdale area

Calderdale has an upland setting of steep valleys and river corridors and experiences cool, wet winters and warm summers, shaped by Pennine topography and dense valley settlements.

What should buyers and renters check in HX2 0AT?

Practical check: EA data flags 14 properties at flood risk here - check whether the property is among them by comparing its position to the flood zone boundary. These are postcode-level indicators - conditions vary between individual properties.

Climate risk can change street by street, so it is worth checking neighbouring postcodes too. The full risk report for HX2 0AA is at localrisk.co.uk/postcode/HX20AA, and you can compare HX2 0AT side by side with any UK postcode at localrisk.co.uk/compare.