Buckingham Interiors has dated this piece to the 18th Century.

A very fine early 18th century longcase clock dated between 1720-30
Working in watches, and longcase clocks, signed “Thomas Cartwright London”, A very good early maker who was CLOCKMAKER TO QUEEN ANNE AND GEORGE 1ST.
Buckingham Interiors has dated this piece to the 18th Century.
Happy to accept offers on any of the items I have for sale.
You can view the stock and full dealer information on the Buckingham Interiors Profile Page