Refurbishment of listed church and addition of contemporary infill, with a focus on acoustic insulation
The project had two phases: the first included the refurbishment of an existing listed church and the second, its fit-out and the addition of a contemporary infill building.
The contemporary two-storey metal and glass extension links the church and the bell tower and provides flexible multi-purpose spaces for the church and local community.
Acoustics was a major challenge. Increased capacity has increased noise breakout at St George’s - a charismatic Nigerian church whose congregation of 3,000 enthusiastic singers descend upon this residential area every Sunday.
We worked in collaboration with an acoustics engineer who specialised in rock music, to satisfy the local council and residents, using strategically placed absorption pipes, specially upholstered seats and double glazing to existing stained-glass windows.
Energy demand was minimised by considering materials’ embodied energy and using recycled materials wherever possible. Large windows reduce lighting costs.
Pedro Roos, partner, Paul Davis + Partners
External structurally insulated panels
Kingspan TEK building system. Rigid urethane insulation core with 15mm OSB3 panels bonded to each side
Insulation between joists in coppercantilevered roofs
Celotex. Tuff-R Zero GA3000Z. Low-density rigid PIR foam board with tri-laminate facing to each side. 100mm-thick between joists with 20mm layer fixed under joists
Insulation over ground floor precast planks
Kingspan. Thermafloor TF70. 100mm with 30mm-thick Celotex insulation laid at perimeter of screeded area to prevent cold bridging
Metal roof cladding
Kingspan KS 1000LP low-pitched steel roof system. Colourcoat HPS200 Plastisol with Scintilla finish
Breather membrane to copper roofs
DuPont. Tyvek Supro
Cladding to Elevations
Tecu-Copper with Tecu Oxid finish