LOCATION

SA45 9NW - Flood, Heat, Air & Subsidence Risk - Ceinewydd

Ceredigion, Ceinewydd

Flood: HighHeat: LowerAir quality: LowGround: Low

Climate risk summary for SA45 9NW

SA45 9NW in Ceinewydd has a High flood risk. Heat risk is Lower, with a median (50th percentile) of 8 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 4.0 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).

How does SA45 9NW compare with the rest of the UK?

  • Air pollution: cleaner than 90% of councils
  • Heat risk: cooler than 85% of councils
  • Subsidence risk: lower risk than 58% of postcodes

What is the flood risk in SA45 9NW?

Flood risk at SA45 9NW is rated High, based on Natural Resources Wales flood mapping.

Natural Resources Wales flood zone data places SA45 9NW in the high flood risk band. The band reflects the highest flood risk within the postcode; some properties within this postcode may face little or no direct flood risk. A formal flood risk search and review of buildings insurance availability is recommended before any property transaction in this area.

How is the air quality in SA45 9NW?

Air quality at SA45 9NW 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 SA45 9NW?

British Geological Survey data classes the underlying soil at SA45 9NW 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.

Is SA45 9NW at risk of coastal erosion?

The nearest projected coastal erosion zone to SA45 9NW is 68 m away (NRW NCERM No Active Intervention - Short-term (2005-2025) mapping) and the postcode is in the very high coastal erosion risk band. Coastal erosion risk varies along the shoreline depending on local geology, sea defences and Shoreline Management Plan policy. Check the Shoreline Management Plan for this stretch for the projections that apply to a specific property.

Where does this data come from?

This LocalRisk report for SA45 9NW 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 Ceredigion and is updated as new official datasets are published.

About the Ceredigion area

Ceredigion has a largely rural coastal and upland setting and experiences cool, wet winters and mild summers, influenced by Atlantic weather and steep river catchments.

What should buyers and renters check in SA45 9NW?

Practical check: In a coastal flood risk area - ask about tidal flooding history and check the property's elevation relative to sea level. The nearest projected erosion zone is 68m away - check the Shoreline Management Plan policy for this stretch and whether the property is within 100 years of the erosion line. 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 SA45 9NG is at localrisk.co.uk/postcode/SA459NG, and you can compare SA45 9NW side by side with any UK postcode at localrisk.co.uk/compare.