The first phase of building was constructed by the firm of Thomas Clay; structural steel work was by J.S. Bergheim, fireproofing by Dennett & Co.; stone carving by Farmer & Brindley; heating and ventilation by G.N. Haden and D.O. Boyd; ceramic tiling by Craven Dunhill & Co.; mosaic flooring by Jesse Rust; stained Glass by R.B. Edmundson and F.T. Odell; chimneypieces by Hopton Wood Stone Co.; ironwork by Hart Son Peard & Co. and R. Jones; the furnishing and fittings were by Lamb and H. Chapel; the cost was £105,000. The (1882–83) was by building firm William Southern & Co.; fireproofing and the heating and ventilation were by the firms used in phase 1; Thomas Earp & Hobbs did the stone carving; this time only Hart Son Peard & Co. were responsible for the ironwork; decorative stonework was by Hopton Wood Stone Co; the cost was £12,980. The (1884–88) phase was by William Southern & Co; fireproofing and the heating and ventilation were by the firms used in phase 1; stone carving by Farmer & Brindley, Thomas Earp & Hobbs; ceramic tiles were by Craven Dunhill & Co.; faience by Burmantofts; chimneypieces by Hopton Wood Stone Co. and J. & H. Patterson; ironwork by Hart Son Peard & Co; the cost was £75,725. The (1886–88) extension was by W.W. Harrison, cost £2,230. The (1891–96) was by R. Neill; structural steelwork by A. Handyside & Co.; ironwork by Hart Son Peard & Co.; stonework by Hopton Wood Stone Co.; cost £40,830. The (1894–96) extension was by R. Neill; heating and ventilation by G.N. Haden; ironwork by Hart Son Peard & Co, the cost was £4,370. The (1896) extension was by Henry Vickers; structural steelwork by A. Handyside & Co.; heating and ventilation by J. Grundy; stone carving by Earp & Hobbs; ceramic tiles by D. Conway; mosaic flooring by J.F. Ebner; ironwork by Hart Son Peard & Co.; furnishing and decoration by Heighway & Sons; the cost was £17,565. The final phase (1898-1902) cost £36,350.Cunningham & Waterhouse, pp. 237, 257, 259, 261, 269, 273
