Yes, and with fewer obstacles than a harbour town usually implies. Sixty buildings in the area are listed, and none of them carries the top grade. There are no conservation areas here at all. What does cover the place is a national protected-area designation, and it covers all of it, not a portion. The constraint on building in Salcombe is rarely the house itself. It is what the house can be seen from.
Historic England's register records 60 listed buildings in the area: none at grade one, four at grade two star, and 56 at grade two. Listing is not a rule about the front elevation. Once a building is listed, consent is needed for alterations affecting its character inside as well as out, which reaches into window frames, roof coverings, staircases and internal walls that a normal renovation would treat as nobody's business. Sixty is a specific number in a town of this size, and the practical point is the arithmetic that follows from it: most homes here are not listed, and the ones that are will make themselves known the moment a builder quotes for sash repairs.
There is also one scheduled monument in the area. That is the strictest protection tier in the system, and it matters mainly to anyone whose land sits close to it, where separate consent applies to works that would disturb the site.
People do alter homes here, in volume. The planning record carries 387 applications across the area between April 2024 and June 2026, 168 of them in the most recent twelve months. That is a steady flow of extensions, alterations and conversions moving through the system in a town of under a thousand households, which tells you the answer to the headline question is not no.
The practical position is that permitted development is a starting assumption rather than a guarantee here. Designated areas of this kind carry tighter limits on what counts as permitted than an ordinary suburban street, and the whole town sits inside the South Devon Area of Outstanding Natural Beauty. Add the estuary setting, the gradients, and the habit of neighbours to have opinions about anything that interrupts a view, and the sensible order of operations is a conversation with the local planning authority before a conversation with a builder. The alternative order is how people end up paying an architect twice.
Freedom to alter a home in Salcombe sits in the middle of the range: easier than a fully conserved historic town, harder than a modern estate on the outskirts of anywhere. You are buying a house in a protected setting, and the setting is what will be assessed, whatever you were planning to do with the back wall.