DN40 1AE - Flood, Heat, Air & Subsidence Risk - Immingham (DN40)

North East Lincolnshire, Immingham (DN40)

Climate risk summary for DN40 1AE

Heat risk is Lower, with a median (50th percentile) of 17 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 7.3 μg/m³, above the WHO annual guideline of 5 μg/m³ (Defra UK-AIR). Ground conditions are Low risk, with Quaternary Marine/Estuarine Clay/Silt geology; shrink-swell risk is classed as improbable (BGS GeoClimate).

• Flood: No flood-risk band is published for this postcode in the current dataset releases - a data-coverage gap rather than a rating. The national agencies' address-level flood services cover every property.
• Heat: Projected 17 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 7.3 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 Clay/Silt geology. Shrink-swell risk classed as improbable (British Geological Survey).
• Green space: 88% of households here have accessible green space within a 15-minute walk (the government's Environmental Improvement Plan standard), and 11% have a park or green space within a 200m walk of their door - near the England median (Defra, 2025).

What is the flood risk in DN40 1AE?

An official flood-risk band is not available for DN40 1AE in the current dataset releases used by LocalRisk. This is a data-coverage gap rather than a low-risk rating. For a property-level reading, the Environment Agency's Check Your Long-Term Flood Risk service covers every address in England.

How is the air quality in DN40 1AE?

Air quality at DN40 1AE 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.

Is subsidence a risk at DN40 1AE?

British Geological Survey data classes the underlying soil at DN40 1AE as Quaternary Marine/Estuarine Clay/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 DN40 1AE 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 North East Lincolnshire and is updated as new official datasets are published.

About the North East Lincolnshire area

North East Lincolnshire has a low-lying coastal and estuarine setting with extensive flat land and urban development and experiences cool, wet winters and mild summers, influenced by North Sea exposure and flat terrain.

What should buyers and renters check in DN40 1AE?

Practical check: With PM2.5 above WHO guidelines here, check which bedrooms face busy roads and how fresh air is drawn into living spaces. 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 DN40 1AA is at localrisk.co.uk/postcode/DN401AA, and you can compare DN40 1AE side by side with any UK postcode at localrisk.co.uk/compare.