NP8 1AJ - Flood, Heat, Air & Subsidence Risk - Crughywel

Powys, Crughywel

Climate risk summary for NP8 1AJ

NP8 1AJ in Crughywel has a Very low flood risk. 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 4.5 μg/m³, within the WHO annual guideline of 5 μg/m³ (Defra UK-AIR). Ground conditions are Low risk, with Sandstone And Mudstone geology; shrink-swell risk is classed as improbable (BGS GeoClimate).

• Flood: Flood risk is minimal in this area.
• Heat: Projected 12 days above 25°C per year, 2021-2040 average (Met Office UKCP18, 50th percentile under RCP8.5, 12 km grid - postcodes within the same grid cell share this value).
• Air quality: PM2.5 4.5 µg/m³ - within the WHO annual guideline of 5 µg/m³ (Defra UK-AIR PCM model, council-level average - every postcode in this council shows this value).
• Ground: BGS data: Sandstone And Mudstone geology. Shrink-swell risk classed as improbable (British Geological Survey).

What is the flood risk in NP8 1AJ?

Flood risk at NP8 1AJ is rated Very Low, based on Natural Resources Wales flood mapping.

Natural Resources Wales flood zone data shows very low flood risk for NP8 1AJ in Crughywel. 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 NP8 1AJ?

Air quality at NP8 1AJ 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 NP8 1AJ?

British Geological Survey data classes the underlying soil at NP8 1AJ as Sandstone And Mudstone, 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 NP8 1AJ draws on four official UK open data sources: Natural Resources Wales flood mapping, 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 Powys and is updated as new official datasets are published.

About the Powys area

Powys has a predominantly rural upland setting with extensive river catchments, rolling hills and sparse settlement and experiences cool, wet winters and mild summers, influenced by elevation and Atlantic weather systems.

Climate risk can change street by street, so it is worth checking neighbouring postcodes too. The full risk report for NP8 1AD is at localrisk.co.uk/postcode/NP81AD, and you can compare NP8 1AJ side by side with any UK postcode at localrisk.co.uk/compare.