of Beacon Works, Brentford (1936)
of Southall and Dalbeattie.
1936 Company registered[1]
1961 Started additional manufacturing at Dalbeattie in Scotland[2]
1967 AGA of Sweden sold the company to a group of investors[3]
1969 Hattersley Brothers merged with Steel Radiators to form Hattersley Stelrad[4], which was 59 percent owned by Steel Radiators[5]
1970 Ideal-Standard sold its steel radiators manufacturing, acquired with the purchase of Copperad, to Steel Radiators Ltd, a subsidiary of Hattersley Stelrad[6].
1970 Acquired Schmiga Metal Works Ltd of Eire, makers of radiator fittings; acquired Bekon-Bell Ltd from Bestobell which included Belkon Domestic Products Ltd, manufacturers of steel radiators and convectors, which would enable export to Europe[7]
1971 The name of Hattersley Stelrad was changed to Stelrad Group[8]
1973 As part of its policy of diversification into domestic heating, Metal Box Co acquired Stelrad[9].
1977 The European Commission ordered the end of restrictions on AGA's licence to Steel Radiators, preventing the company selling radiators outside UK[10]
1981 Stelrad, part of Metal Box Co, was 1 of 6 boiler makers investigated for collusion in raising prices[11]