Building Warrant: erection of two switch houses in Clayhills Yard, Portland Street - amended application (site plans, floor plans, elevations and sections) Applicant: Aberdeen Town Council Electricity Department Architect: City Electrical Engineer's Office, Aberdeen Date of decision: approved 24 August 1939 [Plans Committee - check minutes - Register 4 September 1939] Remarks: register entry 19646 (2 sheets, print and colour wash on tracing cloth) [Modern address: are evident on 1955 OS. No entry in 1996/7 valuation roll for Portland Street] 24 August 1939