In the following years H. W. Wilson Ltd’s client base greatly increased to include the Local Authority, local landowners and churches. H. W. Wilson Limited was also responsible for the construction of the original Roomes Stores in Upminster and constructed private houses for sale in Cheelson Road, Wilsman Road, and North Road, South Ockendon. Towards the end of twentieth century our bigger clients included Royal & Sun Alliance and The Port of Tilbury.