People can find out about plans for historic Headstone Manor at an open day.
Harrow Museum will be hosting the event at the Pinner View site on Saturday March 29 from 10am to 4pm.
The event will give people the chance to learn more about the plans for the Manor and the museum.
Harrow Borough Council says it hopes to create a sustainable future for the site with restoration work on the Great Barn due to begin later this month and end in November .
Work is also underway on the restoration of the Manor House and the creation of a new museum with the support of the Heritage Lottery Fund.
Architects, landscape architects, exhibition designers will be on hand for people talk to about the plans for the site on the day.
The manor, which was owned by Henry VIII for six days during the reformation, is the only moated house in Middlesex and one of the few remaining in England.