Group Langley Free Church (Baptist) September 18, 2014 by STCAdmin Place of Worship Mum and Toddlers Group. Place and hours of opening: 100 Trelawney Ave, Langley, Slough Community Address: 100 Trelawney Avenue, Langley, Berkshire,SL3 8RW Telephone: 01753 540771 Website: http://www.langleyfree.org.uk