Yes, most homes in Prestbury can be extended, but the old core of the village comes with paperwork attached. A few dozen buildings are listed. One conservation area covers the historic centre. Most of the housing stock is outside both, and the neighbours keep the planning office busy. Whether the answer for a particular house is easy or slow comes down to which side of those lines it falls on.
Historic England's register records 71 listed buildings in Prestbury: none at Grade I, two at Grade II* and 69 at Grade II. Listing covers the whole building, inside and out, so almost any change that affects its character needs listed building consent on top of any planning permission. That includes internal walls, windows and joinery as well as extensions. The Domesday Book recorded Prestbury as the property of the church of Hereford. On a listed house, somebody else still has a say in what happens to the property.
There is one conservation area around Prestbury, named after the village, and it covers the historic streets. Inside it, Cheltenham Borough Council looks harder at anything visible from the street, and some of the work you could do elsewhere without asking needs an application here. The council's own map of the boundary is the document to read, and its line often runs further from the obvious old buildings than a buyer expects. Look up the address on the council's conservation-area map and the listed-building register while you are still deciding, because the answer changes what the house is for.
There is one scheduled monument in the surrounding area. It is the strictest tier of protection, and it matters only if your land runs up against it.
Prestbury's homeowners alter their houses anyway. The planning records for the area hold 1,546 applications between April 2024 and June 2026, and 675 of them came in the last twelve months. Those figures show that people here apply all the time, but they say nothing about how many applications were approved. A village with that much paperwork moving through it keeps its architects and its objectors equally busy.
For most of Prestbury's homes, which are outside the conservation area and not listed, the ordinary national permitted-development rules apply, and modest rear extensions and many loft changes can go ahead without a full application. Those rights shrink inside the conservation area and largely disappear on a listed building, where nearly everything needs consent. Plan any project around whichever category the house falls into before drawing up anything ambitious.
Prestbury gives a middling amount of freedom to extend. Most houses outside the old core can be altered without much fuss, while the listed buildings and the conservation area mean slower work, longer forms and very little room to improvise.