[2] After rapid population growth in the area, civic leaders decided to procure a purpose-built town hall: the site chosen for the new building was "Sunny Bank", a house on Woodcote Road, Wallington, which was bought in 1929.

[3] It was designed by Robert Atkinson in the Georgian style, built by Perry (Ealing) Ltd and was officially opened by the Member of Parliament for Mitcham, Sir Richard Meller, on 21 September 1934.

[3][4] The design involved a symmetrical main frontage with eleven bays facing onto Woodcote Road; the central section of five bays featured a three-bay porch with fluted pilasters; there was a central window and balcony with wrought-iron railings on the first floor with the borough coat of arms carved by the sculptor, Eric Aumonier, above; there was a copper-clad clock tower with a weather vane at roof level.

[8] Pevsner noted that the "romanticism of Sweden and Holland in the 1920s is represented, surprisingly prettily and pleasantly, by Wallington Town Hall".

[11] After being used as the local registrar's office in the late 1960s and the 1970s, it was converted into a courthouse by dividing the council chamber into two courtrooms, one above the other, in 1980.