Crown House Engineering
of Croydon.
Part of Crown House Group.
1968 Crown House acquired Richard Crittall Holdings and formed a new subsidiary, Wheeler Crittall Berry for the contracting companies that were part of the group[1]
1973 Wheeler Crittall Berry was joined with Furse Installations to become Crown House Engineering, in Croydon, which would handle all the contracting activities[2]
1986 Crown House became part of Coloroll.