About Elke, her projects and services

Elke Haege Thorvaldson Landscape Architect + Consulting Arborist

With over 23 years of experience (since 1999), Elke has been running her own practice since 2009.


Elke is a registered landscape architect (UNSW Hons) with AILA The Australian Institute of Landscape Architects as well as a qualified consulting arborist (AQF Level 5) Dip.  Arboriculture.

Elke has lectured and tutored at The University of New South Wales as well as Ryde TAFE for the Landscape Architecture program and the Consulting Arboriculture program respectively. Elke periodically presents at Ryde TAFE for the Diploma of Arboriculture course.

Elke is an award winning landscape architect and a consulting arborist who is an enthusiastic proponent to the development and sustainable connection to natural systems.


Elke was honoured in 2016 to be named as an Emerging Voice in Landscape Architecture by the Australian Institute of Landscape Architects.

Elke has experience from over 23 years as a landscape architect. She has had the opportunity to work on international projects from road upgrades to tropical resorts in countries including Denmark, England and China.  Elke’s work is now predominantly in Sydney.


Being an experienced AQF Level 5 consulting arborist as well, Elke is often engaged on projects as both landscape architect and consulting arborist. This creates efficiencies and helps streamline not only the project from design to construction phase, but is also beneficial for project costs, communication and project management.


Often asked about what her style in landscape architecture is, Elke describes style as influenced by the site, her style is either contextually based or influenced by the people who will be ultimately enjoying the space. Each project has different drivers and often many contributors including: the end user, the context of the site, the future maintenance and expected longevity of the landscape. Other key design drivers Elke draws in include the project’s social, physical and environmental context.

Where possible, Elke provides recommendations that can contribute design and value add solutions in a cost effective and environmentally sensitive way (as her passion lies in natural systems).


Elke is highly practical, realistic, hardworking, organised and efficient. Being very passionate about landscape architecture, there is rarely a time where a deadline hasn’t been met. Elke communicates with her project teams.


Elke has co-authored the award winning publication: “Soils for Landscape Development: Selection, Specification and Validation” published through CSIRO with soil scientist Simon Leake, SESL Australia: This text provides:

  • 13 typical soil specification examples which can be used for most projects,
  • The Soil Approach Method, and
  • The Soil Volume Estimator for tree planting in limited spaces.

– 2014 Australian Institute of Landscape Architects, NSW award for Research and Literature

– 2015 Australian Institute of Horticulture award for Literature.

– 2018 Re-printed and republished through CSIRO, Australia


Elke is continuing furthering best practice Soil Design.

Elke is also a beekeeper and breeds and installs native stingless bee hives.  She is one of the founders of The Sydney Bee Club.

Elke Haege Thorvaldson

Landscape Architect and Level 5 Consulting Arborist.
m: 0410 456 404

The Phoenix Studios 6.
1 Moncur Street, Woollahra, NSW 2025

ABN:32828038804  elke@elkeh.com.au   www.elkeh.com.au

B.LArch (Hons) (UNSW)
AILA Registered Landscape Architect # 001539
Dip. (Horticulture) Arboriculture AQF Level 5.