By tube:
Old Street station is on the City branch of the Northern Line. Take exit 2 (turn right up the ramp). Walk East along Old Street and cross over Pitfield Street. After you pass the Holiday Inn on your left take the second turning to the left (Rufus St) into Hoxton Square. Turn right on entering the square and we are the second building on the right (white exterior with blue doors).
By bus: The 55 and 243 both stop ouside the Holiday Inn on Old Street. Follow the directions above from there. The 149, 242 and 67 stop on Shoreditch High St. nearby.