DT5 1BY - Flood, Heat, Air & Subsidence Risk - Fortuneswell

Dorset, Fortuneswell

DT5 1BY in Fortuneswell has a High flood risk - EA NaFRA2 data records 14 properties at high flood risk. Heat risk is Lower, with a median (50th percentile) of 23 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 5.5 μg/m³, above the WHO annual guideline of 5 μg/m³ (Defra UK-AIR).

• Flood: EA NaFRA2: 14 high, 5 low flood risk properties in this postcode.
• Heat: Projected 23 days above 25°C per year, 2021-2040 average (Met Office UKCP18, 50th percentile under RCP8.5).
• Air quality: PM2.5 5.5 µg/m³ - above the WHO annual guideline of 5 µg/m³ (Defra UK-AIR).
• Green space: 30% of addresses within 200m of green space - above the England median (ONS).

Flood risk at DT5 1BY is rated High, based on Environment Agency NaFRA2 modelling.

Air quality at DT5 1BY 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.

This LocalRisk report for DT5 1BY 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 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 Dorset and is updated as new official datasets are published.

Dorset has a mixed coastal and rural setting with chalk downland, river valleys and low-lying plains and experiences cool, wet winters and warm summers, shaped by maritime influence and varied topography.

Environment Agency flood zone data places DT5 1BY in the high flood risk band. EA NaFRA2 data shows 14 at high risk, 5 at low 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. A formal flood risk search and review of buildings insurance availability is recommended before any property transaction in this area.

Practical check: With 14 properties at high flood risk here, ask about past flooding events, check the entrance threshold height relative to road level, and review buildings insurance terms. With 23 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.