The site of the house and gardens measured nearly three acres and included a piece of land with a timber dock on lease from the Dean of Canterbury.
[3] The Duke was a bitter opponent of Napoleon's domination of Germany, and escaped to England after taking part in the Battle of Wagram.
Within a few years the recently formed London and South West Railway Company had purchased the whole building and re-united the two parts.
It became the goods' yard and locomotive works offices with the upper floors given over to a Scientific and Literary Institute for the railway's staff.
[5] Since then a major restoration programme has seen the building brought back into use and is now home to the Brunswick House Cafe and LASSCO's (the London Architectural Salvage and Supply company) antiques showrooms[4][6]