Complex sentence: Whilst the local village of Southborough began to expand rapidly from 1879 (when the Holden Estate was sold and laid out to accommodate 165 new dwellings), the High Brooms Brick and Tile Company started to build houses for its employees and the area expanded.
Split into simpler sentences: Whilst the local village of Southborough began to expand rapidly from 1879, when the Holden Estate was sold and laid out to accommodate 165 new dwellings. The High Brooms Brick and Tile Company started to build houses for its employees and the area expanded.