Arrowsmith Antiques & Interiors has dated this piece to the Victorian era.
The dial has the makers name:-

William Burch Glastonbury
William Burch was born in 1805 and is recorded as working at High Street from 1835.
The clock movement has been cleaned and serviced and comes with a 12 month guarantee.
Height - 21 inches
Width - 15 inches
Depth - 6 ½ inches
Circa - 1840
Arrowsmith Antiques & Interiors has dated this piece to the Victorian era.
Beautiful furniture, lighting, clocks & decorative items ready for your home
You can view the stock and full dealer information on the Arrowsmith Antiques & Interiors Profile Page