You can extend a house in Nailsworth, but in much of the town you need permission first and patience afterwards. Listed buildings are everywhere. Six conservation areas cover the town centre and the villages around it. The neighbours put in planning applications regardless. The right to build is rationed here, and Stroud District Council sets the ration.
There are 178 listed buildings in and around Nailsworth, made up of one at Grade I, 11 at Grade II* and 166 at Grade II. Listing protects a building inside as well as out, so new windows, a knocked-through wall or a reworked roof on a listed home needs listed building consent from Stroud District Council, on top of any planning permission. Most of the town's oldest houses went up to serve the mills and breweries along the Nailsworth Stream, and their owners now need the council's sign-off on what they can do to a kitchen.
Six conservation areas fall within the area, covering Nailsworth itself, Amberley, Box, Dunkirk and Watledge and two around Longfords Mills. Inside a conservation area, a house loses some of the changes it could otherwise make without permission, and demolition and work to trees come under tighter control. Look up the exact address on Stroud District Council's conservation area maps, because a boundary can run between neighbouring houses and put them under different rules.
There are four scheduled monuments in the area, the strictest tier of protection, and they matter mainly to anyone whose land runs up to one.
None of this has stopped anyone trying. Stroud District Council's records show 2,248 planning applications in the area between April 2024 and June 2026, 968 of them in the last twelve months. In a town of this size, odds are someone on your road has an application in, and someone else on your road has read it.
Outside listed buildings and conservation areas, a Nailsworth house keeps the usual permitted development rights for modest extensions and loft work. Inside them, much of that work needs a planning application. About 17% of the area also falls within the Cotswolds Area of Outstanding Natural Beauty, where some of those automatic rights are trimmed further. "Potential to extend" in a Nailsworth sales brochure is a remark about the house, and the council has not yet signed it.
Freedom to alter a home is poor in Nailsworth. Buy a house you would be happy to keep as it is, and count any extension as a maybe until the council decides.