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  • Main office: 39 Amsharlo Drive, Kerikeri 0230
  • Call us 0274 813 225


Welcome to Plumbing & Hydraulic Design Ltd

Plumbing and Hydraulic Design Ltd became a registered company in 1991, committed to providing a personal and professional hydraulic design service from concept stage through to project handover and beyond.

We pride ourselves on providing the best professional service dedicated to the ideals of technical excellence and client service, to establish an extensive and loyal client base.

Our commitment is to produce high quality documentation, practical solutions and potential cost savings on time and on budget.

Plumbing and Hydraulic Design Ltd have many years of experience on all sizes of projects from small tenancy fit-outs to large hospital building projects. 

Plumbing and Hydraulic Design Ltd is also fully conversant with the NZ Building Code compliance schedules along with Australian standard AS/NZS 3500 (all parts) and European/British Plumbing Standards EN-12056, BS5572, BS8301 and BS6700.

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David Westmoreland, Director of Plumbing & Hydraulic Design Ltd

David Westmoreland the director of Plumbing and Hydraulic Design Ltd, has 43 years of involvement in the Plumbing and Gas-fitting industry, which has been varied in all aspects related to plumbing, drainage and gas-fitting services.

Initially David has had nine years practical experience as a plumbing and gas-fitting tradesman progressing to a contracts site supervisor moving on to estimating and draughting services and for the last 23 years a Hydraulic services design consultant and director of Plumbing and Hydraulic Design Ltd providing contracting services to New Zealand and multinational building services consulting companies.

Qualifications include:

  • Plumbing & Gas-fitting NZ Trades Certificate (1976)
  • NZ Technician Certificate (1984)
  • City & Guilds AutoCAD (1994)
  • Auckland City Environments Producer Statement Author for PS1, PS2 & PS4 Plumbing category.