Older, solid-walled homes
25% of the housing stock in these neighbourhoods dates from before 1919 and 22% from before 1900. Expect solid walls rather than cavities, so damp diagnosis needs care: cement renders, plastic paints and raised ground levels trap moisture in walls that were designed to breathe.
Source: VOA, Mar 2025
Listed buildings
Historic England lists 203 buildings in and around Launceston, including Church Of St Mary Magdalene (Grade I); Church Of St Stephen (Grade I); Launceston Castle Keep And Attached Buildings (Grade I). On a listed home, like-for-like repairs with traditional materials are the rule; your surveyor should flag anything that looks unconsented.
List entries: Church Of St Mary Magdalene · Church Of St Stephen · Launceston Castle Keep And Attached Buildings
Source: Historic England
Conservation area
Conservation area here: Launceston. If you plan changes, check with the council first: conservation area rules limit what you can do without permission.
Source: planning.data.gov.uk
Flood risk (rivers and sea)
1 of 94 postcodes checked are in Flood Zone 2 or 3, so most of Launceston sits outside the river and sea flood zones. Low-lying streets and surface water can still catch people out.
Source: Environment Agency
Radon
The 1 km radon map square at the centre of Launceston 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. A three-month radon test is cheap, and fixes (often a sump or better underfloor ventilation) are well understood.
Source: UKHSA/BGS
Mining and mundic
Cornwall's metal-mining history means conveyancers usually order a mining search, and concrete-block homes built before about 1950 may need a mundic test for a mortgage.
Source: UNESCO WHS; RICS
Ground and building stone
Under most of Launceston the bedrock is mudstone, siltstone and sandstone (96%). This is the 'killas' country of slate and shale; older homes are often rubble stone, sometimes slate-hung, and weathering of soft stone and mortar is common.
Source: BGS 625k
Ground stability
The BGS GeoSure 5 km hexagon covering Launceston 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
Leasehold flats
Leasehold made up 16% of Launceston sales in 2025. Ask about years left on the lease, service charges and the sinking fund.
Source: HM Land Registry