CA12 4PN - Flood, Heat, Air & Subsidence Risk - Keswick

Cumberland, Keswick

CA12 4PN in Keswick has a High flood risk - EA NaFRA2 data records 24 properties at high flood risk. Heat risk is Lower, with a median (50th percentile) of 7 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 Glacial Till geology; shrink-swell risk is classed as improbable (BGS GeoSure).

• Flood: EA NaFRA2: 24 high, 4 low flood risk properties in this postcode.
• Heat: Projected 7 days above 25°C per year, 2021-2040 average (Met Office UKCP18, 50th percentile under RCP8.5).
• Air quality: PM2.5 4.4 µg/m³ - within the WHO annual guideline of 5 µg/m³ (Defra UK-AIR).
• Ground: BGS data: Glacial Till geology. Shrink-swell risk classed as improbable (British Geological Survey).
• Green space: 13% of addresses within 200m of green space - near the England median (ONS).

Flood risk at CA12 4PN is rated High, based on Environment Agency NaFRA2 modelling.

Air quality at CA12 4PN 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.

BGS GeoSure data classes the underlying soil at CA12 4PN 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.

This LocalRisk report for CA12 4PN 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 Cumberland and is updated as new official datasets are published.

Cumberland has a largely rural and upland setting with lakes, river valleys and dispersed settlements and experiences cool, wet winters and mild summers, influenced by Atlantic weather and mountainous terrain.

Environment Agency flood zone data places CA12 4PN in the high flood risk band. EA NaFRA2 data shows 24 at high risk, 4 at low 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.

Practical check: With 24 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. These are postcode-level indicators - conditions vary between individual properties.