Accommodation for the convention is available at several places. GMDX has no interest financial or otherwise in any of the places listed here, and their listing here is for information only. The King Robert has been used regularly by GMDX members.
The primary venue is the King Robert Hotel, where the convention is held. (website)
About 1 mile away a Premier Inn has reasonably priced rooms. (website)
Various B&B style accommodation is also available quite locally…. try using Booking.com, or Tripadvisor.