This wing was constructed over three storeys and "was built of brick with stone dressing with a glass and Welch-slate roof, with a pediment gable";[1] today it serves as the public entrance.

Throughout the years the popularity of the museum increased but in 1936 the fabric of the original building, Lark Hill Mansion, was found to be unsound and was demolished due to structural instability.

[2] The decision to "echo the Langworthy Wing in the 1930s is remarkable in the architectural climate of the time and it is tempting to argue that Walker's addition is the first Victorian revival building in the country.

Throughout its development the building has achieved "a degree of architectural consistency as a result of nearly a century of evolution.

[1] Among the paintings in the Salford collection are works by artists such as Christian Ludwig Bokelmann, Charles Landseer, Arthur Perigal, Philip Hermogenes Calderon, William Bruce Ellis Ranken and Thomas Henry Illidge.