Older, solid-walled homes
Before-1919 homes make up 32% of the stock here. Solid-walled houses behave differently from modern ones; watch for hard cement pointing and modern coatings that hold moisture in, and treat any 'rising damp' diagnosis from a damp-proofing salesman with caution.
Source: VOA, Mar 2025
Listed buildings
Historic England lists 197 buildings in and around Ashburton, including Church Of St Andrew (Grade I); 31, East Street (Grade II*); 36, Stapledon Lane (Grade II*). If the home you're buying is listed, alterations (even past ones) may have needed listed building consent; ask for the paperwork.
List entries: Church Of St Andrew · 31, East Street · 36, Stapledon Lane
Source: Historic England
Conservation area
Conservation area here: Ashburton. Inside a conservation area, things like replacement windows and roof changes can need permission, which matters if you're planning work.
Source: planning.data.gov.uk
Flood risk (rivers and sea)
8 of the 44 postcodes we checked (postcodes where homes sold in 2025) have their centre in Environment Agency Flood Zone 2 or 3, and 8 in Zone 3. Check the specific address on the government's flood risk service and get insurance quotes before exchange.
Source: Environment Agency
Radon
The 1 km radon map square at the centre of Ashburton is class 6: an estimated 30% or more of homes are above the radon Action Level. 100% of the sold postcodes we checked fall in a radon Affected Area. Radon is a known issue in much of the South West; ask whether the home has been tested or has protection.
Source: UKHSA/BGS
Ground and building stone
Under most of Ashburton the bedrock is limestone and calcareous mudstone (36%) and mudstone, siltstone and sandstone (32%). Limestone ground can hide solution features in places, and older limestone homes need lime mortar.
Source: BGS 625k
Ground stability
The BGS GeoSure 5 km hexagon covering Ashburton shows moderate slope instability (landslides) potential. That's a broad screen, not a site assessment; look for cracking, sticking doors and leaning walls.
Source: BGS GeoSure
Dartmoor
Ashburton is inside Dartmoor, where the National Park Authority is the planning authority. Planning rules for extensions and changes are stricter here.
Source: ONS