Sefton, Aintree (L10)
Flood risk is the main consideration for this postcode in Sefton. Environment Agency maps show higher flood risk locally, with 5 addresses flagged at higher risk, but threshold height and drainage routes matter. Ground movement risk is lower on national screening maps. PM2.5 is 6.1 µg/m³, above the WHO annual guideline (5 µg/m³). Over 2021-2040, hot days (>25°C) are projected to average 13 days per year (below the projected UK average). Limited nearby green space (<1% of addresses) means less natural drainage, a secondary factor alongside the primary flood risk.
Practical check: with 5 properties at higher flood risk in a coastal area, ask about tidal flooding history and check for flood doors or barriers. These are postcode-level indicators; conditions vary between properties.
Flood risk at L10 1ND is rated High, based on Environment Agency NaFRA2 modelling.
Environment Agency flood zone data places L10 1ND in the high flood risk band. EA NaFRA2 data shows 5 at high risk, 4 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.
Air quality at L10 1ND 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 L10 1ND as Eolian Sand, 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 L10 1ND 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 Sefton and is updated as new official datasets are published.
Sefton has a coastal and suburban setting running from Bootle north to Southport, with extensive low-lying land, the Formby dune system, river corridors and residential areas, and experiences cool, wet winters and mild summers, shaped by Irish Sea influence and flat terrain.
Practical check: With 5 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. 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 L10 0AD is at localrisk.co.uk/postcode/L100AD, and you can compare L10 1ND side by side with any UK postcode at localrisk.co.uk/compare.