About Us

Estate Property & Developments is a genuine boutique agency with experience selling properties throughout the Adelaide suburbs and hills, as well as regional areas of South Australia. This includes residential and lifestyle properties, land subdivisions, and commercial properties.

As a boutique agency, we provide a personalised service, helping clients realise their real estate dreams. We guide our sellers and buyers through every step of the property journey, a service we like to call “Right Sizing”.

To view some of our recently Sold Properties, click here and scroll down to Properties>Our Properties and

To see our Reviews received from clients, click here and find  Reviews in the tab menu.

Our team consists of:

Margarete Ehrhardt

Margarete Ehrhardt, Principal/Sales:

Margarete has extensive experience in residential and lifestyle properties. She is well-known for her professional, engaging, and caring approach and for achieving the best possible result for her vendors. Margarete’s speciality is “Rightsizing”, which includes a total service package from selling the vendor’s current home to helping them purchase a new one.

For Margarete’s story, click here

Con Bastiras

Con Bastiras, Principal/Sales:

Con’s experience in land development happened over many years working with his extensive business network and client base. He specialises in selling large parcels of land, sub-divisions, house and land packages, and commercial properties. His knowledge about developing land and the application process is invaluable and his advice is sound.

For Con’s story, click here

Our Foundations

Passion, knowledge, and results combined with integrity, excellence, and a genuine caring approach are the foundations we have chosen. Our Values include Integrity, Excellence, Caring, and Professionalism.

Our experience

Our combined experience covers the sale of residential & lifestyle properties, developing properties, land sub-divisions, and the sale of industrial and commercial properties:

For the full list of sold properties.

We sell in all areas

We Sell In All Areas

We support local communities:

We like supporting local communities by volunteering or participating in various charitable events and activities and donating to charities, not for profits and sporting clubs.

The more you support our business the more our local communities benefit!

Modbury Jets AFC, CFS, The Salvation Army, Houghton Inglewood Hermitage Memorial Park Inc, Hutt Street Centre, Guide Dogs, Cancer Council SA, Baptist Care & Westcare Centre, Animal Welfare League, RSPCA