LOCATION

M1 1AL - Flood, Heat, Air & Subsidence Risk - Ancoats (M1)

Manchester, Ancoats (M1)

Flood: Very lowHeat: LowerAir quality: MediumGround: Low

Climate risk summary for M1 1AL

M1 1AL in Ancoats (M1) 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 18 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 7.7 μg/m³, above the WHO annual guideline of 5 μg/m³ (Defra UK-AIR). Ground conditions are Low risk, with Glacial Till geology; shrink-swell risk is classed as improbable (BGS GeoSure).

How does M1 1AL compare with the rest of the UK?

  • Air pollution: more polluted than 80% of councils
  • Heat risk: cooler than 62% of councils
  • Subsidence risk: lower risk than 58% of postcodes
  • Green space access: less green access than 95% of English postcodes

What is the flood risk in M1 1AL?

Flood risk at M1 1AL is rated Very Low, based on Environment Agency NaFRA2 modelling.

Environment Agency flood zone data shows very low flood risk for M1 1AL in Ancoats (M1). 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.

How is the air quality in M1 1AL?

Air quality at M1 1AL 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 M1 1AL?

BGS GeoSure data classes the underlying soil at M1 1AL as Glacial Till, with shrink-swell hazard rated improbable (subsidence risk band: Low). Soil type and shrink-swell behaviour drive subsidence claims following dry summers; recent ABI data shows insurer payouts rose sharply after the 2022 and 2025 hot summers. A structural survey is the reliable way to assess ground risk for a specific property.

Where does this data come from?

This LocalRisk report for M1 1AL 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 Manchester and is updated as new official datasets are published.

About the Manchester area

Manchester has a dense inland city setting with river valleys, former industrial land and extensive development and experiences cool, wet winters and warm summers, shaped by urban form and Pennine weather patterns.

What should buyers and renters check in M1 1AL?

Practical check: With 18 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. 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 M1 1AD is at localrisk.co.uk/postcode/M11AD, and you can compare M1 1AL side by side with any UK postcode at localrisk.co.uk/compare.