Daily entries from the 17th century London diary
Sir Henry Mildmay, a regicide, owned the house since 1619. His son-in-law, Sir Robert Brooke lived there from 1662-7. It was replaced around 1715 by another which was in turn pulled down in 1823. It is now the site of Wanstead Park.
Wanstead House and the Parklands
History
http://www.wansteadwildlife.org.uk/index.php?option=com_content&view=article&id=101&Itemid=219