3D Environment Helen Lloyd-Martin

Sustainable Design Studio

3DE is a small design studio located in the Hawkesbury region of Sydney. We specialise in Sustainable Residential Design, bringing together our technological expertise and extensive design experience in a personalised, professional service for projects throughout NSW and beyond.

We are passionate about creating comfortable and sustainable homes, through every step of the design process.  We focus on climate responsive design to create beautiful spaces, which fully engage with the environment and accommodate changing requirements well into the future.

We work with our clients and with nature to create designs which are inspiring, healthy and energising - homes which are respectful of our planet.

About Us

Helen and partner Warwick Lloyd-Martin bring together a blend of technological expertise and extensive sustainable design experience in a personalised, professional service.

Trained as architects, and with over 60 years combined experience in the architectural profession, 3DE is a multi-award winning design studio based in the beautiful Blue Mountains, with current projects through NSW.

Helen is a multi-award winning Accredited Building Designer.  BSc(Architecture) & B(Arch).

  • Location
    Kurrajong Heights NSW 2758, Australia
  • Phone
    0437 499 692
  • Email
  • Expertise
    BDAA Accreditation 6404

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We provide a full range of design and documentation services, including:

  • Pre-purchase consultations, site analysis, sustainability advice
  • Master planning + concept design
  • Sketch design stage
  • Design development stage
  • Full CAD documentation, including 3d modelling
  • Development Application
  • Construction Certificate/Complying Development
  • Applications to authorities
  • Liaison and coordination with external consultants including engineer, landscape, bushfire, waste water, planner, ecological consultant, energy consultants, etc.
  • Construction detailing and on site coordination/consultation during construction.


  • 2018 BDAA National BDAA Award Winner – Dual Occupancy.
  • 2018 BDAA Chapter Award Winner – Supreme Award.
  • 2018 BDAA Chapter Award Winner – Large Residential Projects.
  • 2018 BDAA Chapter Award Winner – Dual Occupancy.

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Thanks for getting in touch. Our team is passionate about the building industry and creating the ideal home to suit each client's individual needs.

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