Brighton and Hove, Portslade Village (BN41)
BN41 1AT in Portslade Village (BN41) has a Very low flood risk - EA NaFRA2 data records no properties in a flood risk zone in this postcode. 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 Medium at PM2.5 6.7 μg/m³, above the WHO annual guideline of 5 μg/m³ (Defra UK-AIR). Ground conditions are Low risk, with Colluvium geology; shrink-swell risk is classed as improbable (BGS GeoClimate).
Flood risk at BN41 1AT is rated Very Low, based on Environment Agency NaFRA2 modelling.
Environment Agency flood zone data shows very low flood risk for BN41 1AT in Portslade Village (BN41). EA NaFRA2 data shows no properties at flood 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.
Air quality at BN41 1AT 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.
British Geological Survey data classes the underlying soil at BN41 1AT as Colluvium, 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.
This LocalRisk report for BN41 1AT 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 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 Brighton and Hove and is updated as new official datasets are published.
Brighton and Hove has a dense coastal urban setting backed by chalk downland and experiences cool, damp winters and warm summers, influenced by sea breezes and rising ground.
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 BN41 1AA is at localrisk.co.uk/postcode/BN411AA, and you can compare BN41 1AT side by side with any UK postcode at localrisk.co.uk/compare.