Holy Trinity Church, Blythburgh, Suffolk Is known locally as “The Cathedral of the Marshes” and it stands tall, visible for miles from the A12 trunk road. Like many other Churches, Holy Trinity relies on carefully designed external lighting to make its flint decorated architecture a local landmark by night as well as by day. A warm colour rendering, minimal light pollution and restricted glare were inherent factors in the design brief of this relighting project, which covered every elevation of this wonderful building. Following a successful re-lighting of St Peter & St Paul, Wangford, which is in the same group of parishes, the design and installation team of James Laws and Boggis Electrical of Wrentham was chosen by Blythburgh PCC to re-light Holy Trinity. They selected Pulsar Light Eco-Range floods for both projects. Holy Trinity Church was previously lit externally with a variety of sodium and other discharge fittings, with an estimated total power consumption of