Kelvin House, 15 And 17 Marshall's Lane And Cart Walk

James Steel Maitland, 1937-9 and 1949 incorporating mid 19th century fabric. 3-storey, roughly 3-bay, rectangular-plan office building with Art Deco front elevation and 1949 1st floor bridge link to truncated section of 2-storey 19th century former industrial building. Rendered brick with sandstone and concrete dressings. Deep sandstone base course to front elevation of main building only; raised parapet / blocking course to all 3 sections.

FURTHER DETAILS: Principal elevation to E, facing onto River Cart. 2-leaf timber door to centre of main building in broad architrave rising from base course with prominent drop-keystone and corniced canopy forming shallow balcony to window above. Horizontal lights to outer bays of ground and 1st floor; horizontal row of 6 lights linked by bracketed concrete cill to upper floor; roof parapet with deep overhanging concrete cope, rising in 2 steps towards centre and surmounted by flag pole. Link building adjoining to left: shallow segmental arch at ground with 2-leaf iron gates to car park; gently bowed window to 1st floor with horizontal glazing and plain supporting brackets. Mid 19th century piend-roofed building advanced at angle to outer left with segmental-arched windows to 3 elevations. Regular fenestration to rear.

Fairly small-pane glazing in metal-framed windows, predominantly with hopper opening to upper sections. Grey slate roof.