Yes, and with less interference than almost anywhere else worth living in Cornwall. Four listed buildings in the entire area, all of them the lowest grade. No conservation area. No scheduled monument sitting exactly where you wanted the kitchen. The thing standing between you and a bigger house here is your budget and your builder, not a designation.
The listing picture is about as light as it gets. Historic England's register carries four listed buildings across the area, all four at grade two, with nothing at grade one and nothing at grade two star. Listing attaches to the building rather than the owner, and where it applies it means consent for alterations affecting the building's character, inside as well as out, including things owners routinely assume are their own business like windows and internal walls. With four in the whole area, the odds that it applies to the house you are buying are slim, and your solicitor will confirm it either way in a fortnight. There are no conservation areas and no scheduled monuments within the area's boundary, though neighbouring St Teath and Treligga carry conservation designations, which matters if you are looking just outside the village rather than in it.
The live evidence is that people here alter their homes constantly. The planning register carries 54 applications across the area between April 2024 and June 2026, with 27 of those in the most recent twelve months. That is a steady flow of somebody putting in a rear extension, a garage conversion, a set of solar panels or a new roof, in a village of this size. Nobody is doing that in a place where the planning department is the obstacle.
In practice, most householder work on an unlisted house falls under permitted development rights and never needs an application at all, which is why the register catches only the larger or more awkward schemes. Flats are the exception that does not really apply here, since they make up only about 7% of the housing stock and permitted development rights do not extend to them. Cornwall Council remains the authority to confirm any specific scheme with, because permitted development has conditions and a confident builder is not a lawful development certificate.
The freedom to alter your own house is the single strongest thing about property here. Very little is protected, very little is designated, and the paperwork burden falls a long way below what anyone moving from a Georgian terrace or a conservation-area suburb will be braced for.