article_snippet: Only 16-year-old Joe still lives at home, while Katie, 26, lives with his wife Tracey husband and two children in a converted barn on the 28-acre estate.
article_snippet: Only 16-year-old Joe said: 'The house is very special to us and The house will be a real wrench for us to leave.
article_snippet: us began refurbishing the home in 2000 and finally finished it in 2007. '
article_snippet: When Only 16-year-old Joe bought Hammer Hill House in 2004, Mr Smith set about doubling the property in size, turning Hammer Hill House into a sprawling estate.
article_snippet: The property listing boasts of the space afforded by the 28-acre estate  Country Life magazine once mooted as a possible base for the Duke and Duchess of Cambridge.
article_snippet: Mr Smith added: 'We've had the place for 11 - 12 years
article_snippet: I'm looking for a site where I can create Hammer Hill House and build the kids' houses.
article_snippet: So I'm looking for a plot of land where I can build four houses and keep the family together. '
article_snippet: Advertised on his own website estatesdirect.com, the listing reads: 'Hammer Hill House is approached through magnificent wrought iron electric gates opening to a sweeping tree lined driveway to the turning circle to the front of Hammer Hill House and into the walled coach yard to one side. '
article_snippet: Hammer Hill House has extensive grazing land with four paddocks partially surrounded by mature woodland.'
article_snippet: a 'galleried landing' Mr Smith bought the listing a decade ago for £2.2million but with only one of a 'galleried landing' Mr Smith children left at home, wants to move on .