The team at Key Property Group Developments provides advisory services for property development projects and advice on alternate options available to you for the highest & best use of your property asset.

 We can help you with:

  • Feasibility analysis
  • Site identification
  • Property consultancy
  • Project marketing

Based in the Macarthur Region of South West Sydney we are suitably situated to assist with your property requirements whether they be in regional New South Wales or in a more suburban location, in fact, anywhere in Australia.

Case Study - One

David Purtle - FAPI, MRICS, MPINZ
Founder and CEO

Over the last 30 years David has been in private practice engaged in the professional areas of property consultancy, real estate valuation, plant & machinery valuation, stock & station agency, auctioneering, real estate sales, business valuation and business broking. Advisory, Transactional & Valuation services provided for finance, stamp duty, insolvency, financial reporting, insurance, family law, probate, depreciation, capital gains tax, property settlement, shareholder dispute, merger & acquisition and asset divestment purposes.


Registered Real Estate Valuer No: 18030 (NSW), 3523MR (QLD), 3716 (NZ)
Licensed Real Estate, Stock & Station & Business Agent
Certified Practising Valuer – Plant & Machinery
Licenced Auctioneer – Property & Livestock
Registered Business Valuer No: S201134
Licensed Pilot (VFR)


Fellow of the Australian Property Institute
Member of the Royal Institute of Chartered Surveyors
Member of the Property Institute of New Zealand
Member of the Australian Institute Business Brokers
Past Member of the NSW Stock & Station Agents Association
Past Board Member of the Auctioneers & Valuers Association of Australia Inc.