The older a building is, the more likely it is to be listed to mark and celebrate its special architectural and historic interest.
A listing also brings a property under the consideration of the planning system, so that it can be protected for future generations.
There are around 500,000 listed buildings in England, under three different categories: Grade I, Grade II* and Grade II, each signifying the perceived level of importance.
Only 2.5% of listed buildings are Grade I and considered to be of exceptional interest.
Below is our pick of some of the best Grade I listed properties currently on the market – from an elegant townhouse in historic Chatham Dockyard and a Jacobean hall in Cheshire to city and country apartment conversions.
Burton House, Burton Park, Duncton, Petworth - Guide price £1,550,000
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Burton House, Burton Park, Duncton, Petworth - Guide price £1,550,000
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