Layne Watson Plumbing Layne Watson Plumbing Limited, Christchurch, Canterbury, New Zealand, residential, commercial, Repairs, maintenance, Leaking water cylinders, Dripping taps, New homes and renovations, Roof work, Backflow testing, surveying, Gas fitting Layne Watson Plumbing Limited aims to provide quality plumbing and gas-fitting services to residential and commercial customers in the greater Christchurch area, by maintaining excellent working relationships with their customers, suppliers, contractors and employees.