Flagg is a civil parish in the Derbyshire Dales district of Derbyshire, England. The parish contains four listed buildings that are recorded in the National Heritage List for England. Of these, two are listed at Grade II*, the middle of the three grades, and the others are at Grade II, the lowest grade. The parish contains the village of Flagg and the surrounding area, and the listed buildings consist of two farmhouses and associated structures.
The farmhouse is in limestone with gritstone dressings, quoins, and a tile roof. There are two storeys, a T-shaped plan, and a front of three bays. The doorway has a quoined surround, a four-centred archedlintel, and a hood mould. Most of the windows have moulded surrounds, some with hood moulds. Under the eaves is a datestone.[2]
The stables and barn were altered and extended in the 19th century. They are in limestone with gritstone dressings, a roof in tile and stone slate, and two storeys. The early part has a plinth and quoins, and three bays, and the later part has four bays. In the earlier part is a semicircular archway with a quoined surround and voussoirs, above which is a dated and initialled plaque, and mullioned windows with a continuous hood mould. In both parts there are doorways with quoined surrounds and hayloft doors.[3][6]