SA12 6AH - Flood, Heat, Air & Subsidence Risk - Port Talbot

Neath Port Talbot, Port Talbot

SA12 6AH in Port Talbot has a Very low flood risk. Heat risk is Lower, with a median (50th percentile) of 14 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 4.8 μg/m³, within the WHO annual guideline of 5 μg/m³ (Defra UK-AIR). Ground conditions are Low risk, with Eolian Sand geology; shrink-swell risk is classed as improbable (BGS GeoSure).

• Flood: Flood risk is minimal in this area.
• Heat: Projected 14 days above 25°C per year, 2021-2040 average (Met Office UKCP18, 50th percentile under RCP8.5).
• Air quality: PM2.5 4.8 µg/m³ - within the WHO annual guideline of 5 µg/m³ (Defra UK-AIR).
• Ground: BGS data: Eolian Sand geology. Shrink-swell risk classed as improbable (British Geological Survey).
• Coastal erosion: NCERM data: coastal erosion zone 179m from this postcode. Erosion risk: very high.

Flood risk at SA12 6AH is rated Very Low, based on Natural Resources Wales flood mapping.

Air quality at SA12 6AH 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 SA12 6AH as Eolian Sand, 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.

The nearest projected coastal erosion zone to SA12 6AH is 179 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. For properties near the coast, a specialist coastal erosion risk assessment is recommended.

This LocalRisk report for SA12 6AH 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 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 Neath Port Talbot and is updated as new official datasets are published.

Neath Port Talbot has a mixed coastal, valley and upland setting with steep-sided river valleys and industrial areas and experiences cool, wet winters and mild summers, influenced by Atlantic weather and complex topography.

Natural Resources Wales flood zone data shows very low flood risk for SA12 6AH in Port Talbot. 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.

Practical check: The nearest projected erosion zone is 179m 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.