PA20 0AY - Flood, Heat, Air & Subsidence Risk - Rothesay

Argyll and Bute, Rothesay

Climate risk summary for PA20 0AY

PA20 0AY in Rothesay has a Medium flood risk. Heat risk is Lower, with a median (50th percentile) of 3 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 Low at PM2.5 3.8 μg/m³, within 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).

• Flood: Flooding is possible during severe weather. Routine checks help.
• Heat: Projected 3 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 3.8 µg/m³ - within 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: Glacial Till geology. Shrink-swell risk classed as improbable (British Geological Survey).

What is the flood risk in PA20 0AY?

Flood risk at PA20 0AY is rated Medium, based on SEPA flood mapping.

SEPA flood zone data places PA20 0AY in the medium flood risk band. The band reflects the highest flood risk within the postcode; some properties within this postcode may face little or no direct flood risk. Individual properties within PA20 0AY can differ - a formal flood risk search is recommended before any property transaction.

How is the air quality in PA20 0AY?

Air quality at PA20 0AY is rated Low, 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 PA20 0AY?

British Geological Survey data classes the underlying soil at PA20 0AY 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 PA20 0AY draws on four official UK open data sources: SEPA flood mapping, 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 Argyll and Bute and is updated as new official datasets are published.

About the Argyll and Bute area

Argyll and Bute has a predominantly coastal and upland landscape and experiences cool, wet winters and mild summers, influenced by Atlantic weather systems and varied topography.

Climate risk can change street by street, so it is worth checking neighbouring postcodes too. The full risk report for PA20 0AH is at localrisk.co.uk/postcode/PA200AH, and you can compare PA20 0AY side by side with any UK postcode at localrisk.co.uk/compare.