LOCATION

M28 7WA - Flood, Heat, Air & Subsidence Risk - Walkden (M28)

Salford, Walkden (M28)

Flood: HighHeat: LowerAir quality: MediumGround: Low

Climate risk summary for M28 7WA

M28 7WA in Walkden (M28) 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 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 7.5 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 M28 7WA compare with the rest of the UK?

  • Air pollution: more polluted than 75% of councils
  • Heat risk: cooler than 62% of councils
  • Subsidence risk: lower risk than 58% of postcodes
  • Green space access: less green access than 60% of English postcodes

What is the flood risk in M28 7WA?

Flood risk at M28 7WA is rated High, based on Environment Agency NaFRA2 modelling.

Environment Agency flood zone data places M28 7WA in the high flood risk band. EA NaFRA2 data shows 14 at high 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.

How is the air quality in M28 7WA?

Air quality at M28 7WA 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 M28 7WA?

British Geological Survey data classes the underlying soil at M28 7WA 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 M28 7WA 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 Salford and is updated as new official datasets are published.

About the Salford area

Salford has a dense urban setting along the River Irwell with extensive redevelopment and former industrial land and experiences cool, wet winters and warm summers, shaped by urban form and lowland terrain.

What should buyers and renters check in M28 7WA?

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 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 M28 0AA is at localrisk.co.uk/postcode/M280AA, and you can compare M28 7WA side by side with any UK postcode at localrisk.co.uk/compare.