TD12 4AF - Flood, Heat, Air & Subsidence Risk - Coldstream

Scottish Borders, Coldstream

Climate risk summary for TD12 4AF

TD12 4AF in Coldstream has a Medium flood risk. Heat risk is Lower, with a median (50th percentile) of 6 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 4.4 μg/m³, within the WHO annual guideline of 5 μg/m³ (Defra UK-AIR). Ground conditions are Low risk, with Fluvial Clays, Silts Sands And Gravel geology; shrink-swell risk is classed as improbable (BGS GeoClimate).

• Flood: Flooding is possible during severe weather. Routine checks help.
• Heat: Projected 6 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 4.4 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: Fluvial Clays, Silts Sands And Gravel geology. Shrink-swell risk classed as improbable (British Geological Survey).

What is the flood risk in TD12 4AF?

Flood risk at TD12 4AF is rated Medium, based on SEPA flood mapping.

SEPA flood zone data places TD12 4AF 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 TD12 4AF can differ - a formal flood risk search is recommended before any property transaction.

How is the air quality in TD12 4AF?

Air quality at TD12 4AF 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 TD12 4AF?

British Geological Survey data classes the underlying soil at TD12 4AF as Fluvial Clays, Silts Sands And Gravel, 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 TD12 4AF 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 Scottish Borders and is updated as new official datasets are published.

About the Scottish Borders area

Scottish Borders has a predominantly rural setting with rolling hills, river valleys and market towns and experiences cool, wet winters and mild summers, influenced by upland terrain and Atlantic weather systems.