Architects based in Hawthorn

40 Years of Excellence in Architecture & Interior Design

Discover Quadrant Design Architects - With over 40 years of industry leading experience, we specialise in crafting transformative architecture and interiors. Led by the respected Tony Jackson, our dynamic team offers innovative solutions for residential, commercial, and heritage projects. From modern homes and office spaces to sensitive heritage overlays, we work hand-in-hand with our clients, ensuring every vision becomes a masterful reality.

We design, we transform, we deliver.



Abbotsford: Modern architecture at its finest, blending form and function.

Hawthorn East

Hawthorn East’s classic allure: red brick, slate roof, and strong period features.

Hawthorn East Rear

We’ve transformed the family’s home into a light-filled, spacious haven sympathetically melding old with new


Elegant white interior design inspired by Canterbury's charm and serenity.

We Provide

Quadrant Design Architects aims to provide intelligent, creative and cost effective design and management for each project. The services that we provide can be all inclusive or tailored to your specific needs or requirements.

Initial consultation
Initial consultation is free and covers listening to and discussing ideas and budget for your project. We work with you to formulate the initial design brief, thus ensuring that this will give you the most intelligent design, tailored to your lifestyle and needs.Getting your brief right is vital to enable us to fully realise your project in a creative and practical manner.The formulation of the design brief creates the basis for a fee proposal for the project.
Tendering and Contract Administration
We provide independent advice on project contracts, tender process and negotiation. Assessment of tenders to ensure that comparisons are equitable and that a reasonable price range is obtained.• Liaison with builder, consultants and suppliers to assess quality at key stages and ensure compliance with contract and specifications • Liaison with client to clarify exceptions, stages and details • Building works administration • Progress updates • Variation approvals • Certify progress payments • Issuing of notice of practical completion when all work completed by builder in accordance with the contract and the project is fit for occupation • Quality assurance • Final certificate inspection during the defects liability period, when any unsatisfactory items are drawn to the builder’s attention. Under the terms of the contract, the builder remains liable to remedy defects in workmanship and materials which become apparent during this period
Feasibility, Costs and Site Selection
As your Architect, our service includes assessing the feasibility of your brief, budget and site as to whether it is appropriate to your wants and needs and also to suggest alternative options to create the best outcome. We can also help find the ideal site for your project, should this be required.
Understanding What Architects Offer
Registered Architects working in Victoria must have attained the necessary qualifications, completed practical experience and passed examination by the Architects Registration Board of Victoria. They are subject to the professional conduct regulations governing their service to clients. Quadrant Design Architects Pty Ltd is registered with the Architects Institute of Australia and is an APEC registered Architect. As your Architect can oversee your project at all stages, from the dream to completion, and can offer the following services: feasibility, site selection, Town Planning applications, design including briefing, sketch and development, joinery details, Interior Design Services (refer below), 3D visualisations contract documentation including technical drawings and specifications to obtain a building permit, invite tenders for pricing; contract administration including builder liaison to assess work quality and contract compliance, client updates, variation approval, certification of progress payments, identification of defects and administration of rectification and decision on practical completion for occupancy.
Interior Design
Our broad range of experience and fresh approach can create exciting and innovative environmental options, for commercial or domestic projects. This service can be offered independently from our architectural service.We can offer:• Furniture design and layouts • Lighting layout • Materials selection and finishes • Colour schemes • Commercial interiors • Liaison with artists
Heritage and Conservation Projects
Quadrant Design offers specialist services in the heritage and conservation field. Our experience in this field ranges from imported iron cottages c 1847 to large mansions and restoration of country homesteads. Our principal Tony Jackson is recognised for his work in heritage projects and has a special interest in Melbourne’s diverse early architecture.• Sensitive restorations of heritage buildings including heritage-listed projects • Reinstatement and conservation related works • Co-ordination and liaison with heritage bodies • Reports and presentations
Sketch Plan, Design Development and Contract Documentation
Sketch Plans are initially produced to explore the design options from the brief. Detailed design drawings are then developed to resolve structure, selection of materials and fittings, colour schemes and furniture designs. Depending on the nature of your project, Town Planning drawings may be required.The next step for your project is the preparation of Contract Documentation drawings. These are used to obtain Building Permits, Planning Applications, invite Tenders and for use during construction. The contract drawings form final documentation and are very detailed to ensure minimum need for variations.
Quadrant Design Project Management
Provides peace of mind with professional management • Independent advice on contractual matters • Liaison with client to clarify exceptions, stages and details • Liaison with builders suppliers and other related contractors tensure compliance • Quality Assurance • Identification and rectification of defects within liability period



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What is the typical process for working with your interior design firm?
Answer: Our design process typically involves an initial consultation, concept development, design presentations, client feedback, and project implementation. We tailor our services to meet your specific needs and vision.
How do you determine the cost of interior design services for a project?
Answer: The cost of our services is determined by various factors, including project scope, size, materials, and complexity. We provide personalized quotes based on a thorough understanding of your project goals.
Can I be involved in the design process and product selection?
Answer: Absolutely! We encourage client involvement and collaboration. Your input is invaluable, and we work closely with you to ensure the final design aligns with your preferences and requirements.
What is the expected timeline for completing an interior design project?
Answer: Project timelines vary depending on the scope and complexity. During our initial consultation, we will provide an estimated timeline and keep you informed throughout the design and implementation stages.
Do you work with specific design styles, or can you adapt to my unique preferences?
Answer: We are versatile and skilled in various design styles, from contemporary to traditional and everything in between. Our goal is to tailor each project to reflect the individual preferences and personality of our clients.