St Bartholomew's stands on the hill for which the district is famous - Prospect Hill. It is a conspicuous landmark from which there are fine views from to the Blue Mountains and the City of Sydney. Several mature trees including Mediterranean cypress (Cupressus sempervirens), arborvitae (Thuja species), coral trees (Erythrina species, possibly E.indica), Moreton Bay figs (Ficus macrophylla), gums (Eucalyptus spp.), and Bunya pine (Araucaria bidwillii), and African olive (Olea europaea var.africana) clumps are found alongside the fence at either side of the entrance gates to the church. Remnants of early post and rail fencing and entrance gateposts are also found. Lower plantings include variegated century plant (Agave americana Variegata).