Vendorable

Peter Diamantidis is the Founder and Selling Principal of Ray White United Group, which has grown to eight thriving office locations across St Marys, St Clair, Mount Druitt, Rooty Hill, Marsden Park, Glenwood, Arndell Park & Toongabbie.

Beginning his career in real estate at just 15 years old, Peter started in property management before moving into sales, where he quickly established himself as one of NSW’s top agents. Averaging 200–300 transactions annually, he has consistently ranked among the top five agents in NSW for multiple years, an achievement recognised by realestate.com.au from 2021 to 2025 out of more than 9,000 agents across the state.

Peter’s career highlights also include being named among the Top 100 Agents in Australia by REB every year from 2017 through to 2025, an incredible nine-year streak that showcases his consistency and elite performance in the industry.

Renowned for his exceptional attention to detail, dynamic energy, and powerful negotiation skills, Peter is known for finding solutions in any situation—no challenge is too big or too small. His journey from the ground up has given him an in-depth understanding of every stage of a property transaction, enabling him to deliver outcomes for his clients that few can match.

With over 22 years of experience, Peter is also a respected property commentator, regularly featured by Nine News, Channel 7, Australian Property Magazine, The Daily Telegraph, Sydney Morning Herald, Your Property Magazine, The Australian, and many more.

Specialising in properties across Western Sydney and The Hills, with a strong passion for development sites and off-the-plan projects, Peter’s market expertise and dedication—combined with the support of his high-performing team—ensure every client receives a professional, results-driven real estate experience.

Vendorable

Peter Diamantidis

Licence

Service Areas

Activity on Vendorable

Sales

Appraisals

Property viewings, enquiries and marketing activities in the past year