• Australia : +61 (0) 73299 1233
  • United Kingdom : +44 (0) 1233 333 532
  • Papua New Guinea : +61 (0) 73299 1233

Regulated by RICS

David Tilby

David has been providing Quantity Surveying and Project Management services for over 50 years. In 2006 David formed Costplan Services Pty Ltd together with Rudi Piebenga our Australian Director and Ken Lewis which now trades as CPSQS Consulting Pty Ltd under COSTPLAN GROUP.
David was educated and commenced his career in the United Kingdom before moving to Australia to join Rider Hunt as a Senior member of staff before being offered Directorship. As a Director, David was responsible for overseeing the Queensland, Papua New Guinea, Hawaii, Guam and Philippine companies over a period of 15 years. David’s experience in different countries gives him a particular focus on the cost and logistical challenges that arise with different construction methods, regulations, social and religious differences which has enabled him to manage some significant projects throughout the South Pacific.

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David TilbyGroup CEO
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Rudi PiebengaDirector (AUS & PNG)
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Aaron TomsettDirector (UK)
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James MitchellDirector (UK)
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Matthew LeeDirector (AUS)
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Sarah NormanHR and Office Administrator
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Denise PiebengaHR and Office Administrator
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Gerald DuncanQuantity Surveyor
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Blaze XuQuantity Surveyor
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Kainlarm HoughtonAssistant Quantity Surveyor
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Rebecca HolwellHR and Office Administrator
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Hayley DorsettHR and Office Administrator
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Michael ButcherQuantity Surveyor
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Ross MorpheyQuantity Surveyor
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Liam HanaganAssistant Quantity Surveyor
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Michelle MulloSenior Quantity Surveyor
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Anslem EdahosiAssistant Quantity Surveyor