The former Darnley House and Stable, built in 1874 and circa 1890, are significant as a substantial nineteenth-century residence and outbuilding constructed in the west end of Adelaide. They illustrate the residential development that characterized this part of the city at the time they were built. Darnley House was one of a small number of larger dwellings that were built amongst cottages and shop/residences, and was constructed for James Anderson, a successful builder who arrived from Scotland in 1851.

The former Darnley House and Stable are significant as a relatively intact nineteenth-century two-storey dwelling and stable in an urban area, constructed using good quality materials and methods. The house has a bluestone plinth and quoins, limestone rubble walling and quality detailing, with gauged brick heads to the openings. The stable is well built and has a slate damp proof course.

Darnley House is a well-constructed two-storey house with an adjacent stable. The house is well constructed, with gauged brick heads to openings and bluestone quoins. The ground floor of the house is largely original, with intact plaster work, although the fireplaces have been altered. The first floor is very plain. The stable is well constructed, with a slate damp proof course. The stone and cast iron fence to Currie Street is also notable and makes a positive contribution.

Darnley House now stands isolated amongst commercial premises. This area was once full of small houses and shop/residence combinations but much of this development was demolished in the 1930s as it was considered to be substandard. As a result of the demolition of the housing, the city's residential population declined.
After Anderson's death, the house and stable was sold to G. McNamara who owned them until 1971. The buildings are currently used as residences.

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