Yes, in most of Camberley you can extend a house without heritage rules getting in the way. The listed buildings are few. The conservation areas are two. The neighbours are applying for planning permission constantly. The real obstacle is the ordinary planning process, not history.
Camberley has 61 listed buildings. None is Grade I, one is Grade II*, and the other 60 are Grade II. Listing means listed building consent is needed for almost any change that affects the building's character, inside or out, on top of any planning permission, and making changes without it is a criminal offence rather than an administrative slip. If you're buying one of those 61, budget for a heritage specialist and a lot of patience. If you're buying anything else, which is most houses in town, listing doesn't come into it.
There are two conservation areas: one covering the former military college grounds and London Road, and one running from Upper Gordon Road to Church Hill. Inside them, changes that would normally go ahead without fuss can need consent, especially anything visible from the street, and demolition and tree work face tighter controls. It's worth knowing before you buy, because the listing photos won't show a conservation area boundary.
The planning register shows how keen local people are on building. Between April 2024 and July 2026, the area recorded 2,413 planning applications, 895 of them in the latest twelve months. That's a town that treats its houses as unfinished. Much of the stock is post-war detached housing on decent plots, and plenty of owners have decided there's space for another room.
For most homes outside the two conservation areas and not listed, the usual national permitted development rules apply, so modest rear extensions and many loft conversions can go ahead without a full application, within the limits those rules set. Bigger projects, anything at the front, and anything on a listed building or in a conservation area mean an application to Surrey Heath's planners. Before relying on permitted development, check that the rights haven't been removed by a condition on the original planning permission. Estate-built homes can come with that surprise, and it tends to surface only when the builder is already booked.
Camberley is moderately flexible for alterations: open for most houses, restricted in two defined areas and at 61 listed buildings, with the planning office as the main hurdle rather than the heritage rules.