To reach Barnwell Drive, go east along Newmarket Road past Tesco and across the railway until you reach a large roundabout with Barnwell Road. Turn right and continue until the left turning into Barnwell Drive. The BGE HQ Building is the first right.
Fitzpatrick House is one of St John Ambulance Cambridgeshire's training venues and can be found on the left hand side of Barton Road (coming from Newnham Road) next to the Red Bull pub.
Caius College is located on Trinity Street in the centre of town. To find the Bateman Room, enter the college via the Porters Lodge, and continue forward across the first court through the arch into the second. The Bateman Room can be found through the door in the far-left corner of this court.
To find the Colony from town, cross Magdalene Bridge (heading away from town) and turn right at the cross roads onto Chesterton Lane, the Colony can then be found on the left hand side. To find the Blythe Room turn left once you have entered the car park, continue forward and the Blythe Room shall be on the right (a large glass building).
To find ARU from Drummer Street Bus Station, walk along Parker Street towards Parkers Piece and keep walking along the road until you reach the crossroads. At the crossroads turn left onto East Road and walk along East Road until you see ARU on your right. Go in through the doors (into Helmore) and walk along the corridor until you see some steps on your left next to the Employment Bureau. Go up the steps and at the top of the steps there will be some doors behind you next to some sofas, go through the set of doors that are on your right when you turn to face the doors (the first ones you'll come to) and follow the corridor round until you get to a room marked Hel 118 (there are plenty of signs once you are on the first floor).
King's College is located on King's Parade in the centre of town. To find the Chetwynd Room, enter King's via the gatehouse on King's Parade. The room is on the ground floor and is accessed via the bar, which is in the staircase on the left as you enter Front Court. Go through the wooden double doors immediately ahead of you as you enter the staircase, then head left then right almost immediately. You should see the room marked ahead of you.
Jesus College is located on Jesus Lane just north of the centre of town. To get to the Coleridge Room, enter Jesus via the gated passageway off Jesus Lane ("the Chimney") and walk through First Court and Pump Court. The Coleridge Room is located in the far corner of Pump Court, up a flight of stairs. The door to the right of the stairs is the entrance to the bar, and contains disabled access to the first floor. The coleridge Room is marked "B" on the Jesus College map (PDF).
Jesus College is located on Jesus Lane just north of the centre of town. To get to Library Court, enter Jesus via the gated passageway off Jesus Lane ("the Chimney") and turn right in First Court to walk past the Hall and into Cloister Court. Once through Cloister court, enter Chapel court and take the pathway past a bronze figure, turning right to go around the Chapel. Turning right again through a doorway takes you through a small walled garden towards the yellow-brick library. Turn left to enter Library Court - the Seminar Room is on the top floor of the first Staircase from the Library, and is marked "I" on the Jesus College map (PDF).
From the main gate on St. Andrew's Street, go through into first court and then turn right and walk round the court towards the far right hand corner. Go through a covered area into 2nd court, follow the path round to the left and into 3rd court. Continue to the left and go around the court to the far left-hand corner. The Lloyd room is in Staircase R on the ground floor on the left of the staircase.
From the main gate on St. Andrew's Street, go through into first court and then turn right and walk round the court towards the far right hand corner. Go through a covered area into 2nd court, follow the path round to the left and into 3rd court. Walk around the court to the far left-hand corner. Continue out of 3rd court and then right when you get to the carpark. On your right is a large white building and some cycle racks - on the left hand side of the bikes is a path to the building. Take the left-hand staircase downwards into the building. At the bottom turn right and then Z basement is the first on the left.