You need to arrange your own accommodation, below are two suggestions:
Some rooms have been provisionally reserved at the Penny Street Bridge Hotel in Lancaster:
Tel: 01524 599 900
You need to contact the hotel yourself to book a room - state you are attending the 'CEH course' when you book. The provisional reservations are only held until 31st August.
CEH Lancaster is located on the Lancaster University campus. There is a hotel on campus:
Lancaster House Hotel
Green Lane, Lancaster, Lancashire LA1 4GJ
CEH have a negotiated rate at the Lancaster House Hotel of £80 per night (state 'you are attending a meeting at CEH which is on the University campus' when you book):
Phone: +44 (0)1524 844822
Fax: +44 (0)1524 844766
See http://www.citycoastcountryside.co.uk/site/lancaster-city for alternatives and other information.