Complex sentence: Most of the station is held up by steel stilts,-much the same as the stilts at Gardenvale and Balaclava, both stations on the Sandringham line-however both platforms extend over Laburnum St, and part of platform 2 is held up by concrete blocks.
Split into simpler sentences: Most of the station is held up by steel stilts, in the same manner as Gardenvale and Balaclava, both stations on the Sandringham line. However, both platforms extend over Laburnum St, and parts of the platforms are held up by concrete blocks.