Evening Gents,
The Beaumont B&B in Sittingbourne as follows:
Tel: 01795 472536
Web:
www.thebeaumont.co.uk (Just looked and its seems nice).
This is around a 10-15 minute drive from Upchurch. There is also a Travelodge on the A249 Sheppey Road, which is the same as they all are, but may be of use.