KEY FACTS Name: Bishops Challoner Contractor: Haymills Architect: Perkins Ogden Project Value: £2.2 Million Systems: Sapa Elegance 52 Curtain Walling, Dualframe 55 top hung casement windows, Sapa 202 Similar Projects View Some Of Our Case Studies Bishops ChallonerBexhillPenwith CollegeJCOSS