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about /justinlongdesign

The Architectural Firm was established by Justin Long in 1999, and has endeavoured to set a high standard of design excellence demonstrated by built projects and continual referrals.

Justin Long Design is managed by one director with the assistance of multiple Architectural graduates and several associates and contractors.

All design and documentation remains under the control of the director with the assistance of experienced team members. Justin Long Design is located in Petersham, Sydney, a short trip from the city and convenient to all suburbs.

Our Architecture is driven by bespoke design tailored to the clients needs. We approach each brief, each client and each site as a unique opportunity. We believe that successful buildings, whether large or small, are designed to enrich people’s lives and the quality of their environment.

Justin Long Design is experienced in the design and documentation of a full range of building types:


- New residential buildings
- Alterations and additions to residential buildings

- Dual occupancy homes

- Granny flat and rear lane developments
- Multi-unit housing
- Resort developments, hotels and leisure facilities
- Community buildings
- Childcare centres
- Restaurant and bar fit-out

- Industrial


Justin Long Design has a sound working knowledge of local councils and regulatory government departments in Sydney, regional NSW, and interstate.

At all times we are available. We endeavour to give the best possible service to our clients and there is always someone who can answer a question or action a request.

Design solutions presented to clients are the starting point of discussions. The clients requirements are utmost when it comes to the satisfaction of clients. The right path to a design solution is communication with the client group and an educated, collaborative, and informed response from the design team.

As a matter of office policy Justin Long Design strives to incorporate all facets of an ecologically sustainable architecture into our designs.

Our Architecture performs to a high standard where ESD (Ecologically sustainable design) principles are a given inherent quality.

The principles of a strong ESD policy are implemented throughout Justin Long Design with a sound understanding of environmental design criteria. Concepts are constantly reviewed for passive & active environmental design assessment.

Nominated Architect: Justin Long

NSW Registered Architect No 10844

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