Loch Sloy Hydro-Electric Power Station, Inveruglas

Harold Ogle Tarbolton (architect for the North of Scotland Hydro Electric Board architectural panel), 1950 (designed 1947). 2-storey, 5-bay rectangular-plan classical modern power station with additional lower office block attached to left (SW). Prominent full-height pre-cast pilasters to SE turbine hall elevation. Steel frame with pre-cast Rubislaw and Corrennie granite slabs. Banded corniced eaves course with deep blocking course above.

SOUTH EAST (PRINCIPAL) ELEVATION: roughly 11 bays with tall 6-bay turbine hall to right (NE) and lower range to left (SW) comprising offices and store. Slightly advanced 4-bay centre to turbine hall flanked by single outer bays (that to right (NE) blank) with giant order pilasters with dentilled capitals dividing bays, all oversailing tailrace on concrete piers and segmental arches. Full-height rectangular windows to ground floor in moulded concrete surrounds carried beneath banded cill course; smaller windows above in narrow moulded surrounds. 4 full-height windows to lower section at left (SE) with cantilevered concrete balconies and doorways above; similar to single bay return. Slightly taller recessed single bay to far left (SE) with similar windows.

SW (ENTRANCE) ELEVATION: 3-bay advanced entrance block flanked by single recessed bays. Advanced doorpiece flanked by rectangular windows at ground with balcony above incorporating North of Scotland Hydro Electric Board coat of arms. Tall rectangular window at 1st floor with moulded architraved surround. Similar windows and balconies to those at office block to SE elevation.

NW (REAR) ELEVATION: similar to that at SE with advanced panelled teak vehicular access door in plain surround and transformer station directly adjacent to rear of turbine hall elevation and roughly 4-bay advanced workshop to right (SW).

NE ELEVATION: 2 symmetrical bays with full height windows at ground floor and smaller rectangular windows above.

Predominantly small pane windows with some hopper top openings in painted Crittal frames. Flat platform roof, behind parapet. Cast-iron rainwater goods with decorative hoppers.

INTERIOR: full-height entrance vestibule with dog leg stair on axis with door giving access to balcony at 1st floor; octagonal section pillars all in polished marble with marble tiles to walls. Various offices and store rooms with main control room directly opposite entrance door at 1st floor retaining original control panels (2009). High quality fixtures including stair handrails and some oak doors with brass handles. Predominantly plain functional interior to turbine hall with large travelling crane to gantry at attic level and trussed steel roof structure.