Complex sentence: The west-bound (Carlisle) platform is to the east of the level crossing alongside the stationmaster's house, while the east-bound (Newcastle) platform is to the west of the level crossing.
Split into simpler sentences: The west -, Carlisle-bound platform is to the east of the level crossing and has the Stationmaster's House. The east -, Newcastle-bound platform is to the west of the level crossing.