Getting here by rail:

Nearest train station: Moulsecoomb (click for map) approx 15 minutes walk.

Useful information: www.nationalrail.co.uk

Getting here by bus (from Brighton centre):

A couple of the easiest buses to catch are the 24 or 25 which drop off near the railway bridge on Lewes Road leaving a 5 minute walk up Moulescoomb Way. There are a few other buses which also drop off here, see Brighton & Hove buses for details:
www.buses.co.uk
http://www.buses.co.uk/bustimes/areamap.pdf (PDF of Brighton area bus routes)

Getting here by car:

Head towards Brighton on the A23. Just before you get to the first Brighton roundabout take a left onto the A27 heading in the direction of Lewes. Once on the A27 take the next junction off signposted 'Hollingbury Industrial Estate' and continue in a straight line, over the hill and down the other side, all the way into Coldean. Drive all the way through Coldean until you're met with a T-junction adjoining Lewes Road (A270). Take a right travelling south down Lewes Road until you reach the lights at the railway bridge. Bare left at the lights travelling up Moulescoomb Way 100 yards then left again into Westergate Road.