CF11 8TQ - Flood, Heat, Air & Subsidence Risk - Penarth

Vale of Glamorgan, Penarth

Climate risk summary for CF11 8TQ

CF11 8TQ in Penarth has a Very low flood risk. Heat risk is Lower, with a median (50th percentile) of 19 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 5.1 μg/m³, above the WHO annual guideline of 5 μg/m³ (Defra UK-AIR). Ground conditions are Low risk, with Quaternary Marine/Estuarine Sand And Silt geology; shrink-swell risk is classed as improbable (BGS GeoClimate).

• Flood: Flood risk is minimal in this area.
• Heat: Projected 19 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 5.1 µg/m³ - above 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: Quaternary Marine/Estuarine Sand And Silt geology. Shrink-swell risk classed as improbable (British Geological Survey).

What is the flood risk in CF11 8TQ?

Flood risk at CF11 8TQ is rated Very Low, based on Natural Resources Wales flood mapping.

Natural Resources Wales flood zone data shows very low flood risk for CF11 8TQ in Penarth. 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 CF11 8TQ?

Air quality at CF11 8TQ 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 CF11 8TQ?

British Geological Survey data classes the underlying soil at CF11 8TQ as Quaternary Marine/Estuarine Sand And Silt, 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 CF11 8TQ 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 Vale of Glamorgan and is updated as new official datasets are published.

About the Vale of Glamorgan area

The Vale of Glamorgan has a coastal and rural setting with cliffs, rolling countryside and low-lying estuarine land, and experiences cool, wet winters and mild summers, influenced by Bristol Channel exposure.

What should buyers and renters check in CF11 8TQ?

Practical check: With 19 hot days projected (UKCP18 50th percentile, 2021-2040 average under RCP8.5), note which bedrooms face west (hottest in evening) and whether windows allow through-ventilation. 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 CF11 0AA is at localrisk.co.uk/postcode/CF110AA, and you can compare CF11 8TQ side by side with any UK postcode at localrisk.co.uk/compare.