LOCATION

M20 1AP - Flood, Heat, Air & Subsidence Risk - Didsbury (M20)

Manchester, Didsbury (M20)

Flood: Very lowHeat: LowerAir quality: MediumGround: Low

Climate risk summary for M20 1AP

M20 1AP in Didsbury (M20) 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 GeoClimate).

How does M20 1AP 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 73% of English postcodes

What is the flood risk in M20 1AP?

Flood risk at M20 1AP is rated Very Low, based on Environment Agency NaFRA2 modelling.

Environment Agency flood zone data shows very low flood risk for M20 1AP in Didsbury (M20). 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 M20 1AP?

Air quality at M20 1AP 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 M20 1AP?

British Geological Survey data classes the underlying soil at M20 1AP as Glacial Till, 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 M20 1AP 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 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 M20 1AP?

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 M20 1AA is at localrisk.co.uk/postcode/M201AA, and you can compare M20 1AP side by side with any UK postcode at localrisk.co.uk/compare.