Testimonials
In 2013 we were recommended to TJ Consult for our Northland project. They have been our preferred consultant since then.
Throughout the years, both Toshi and Jason have provided valuable advice to the PappaRich team. They spent a considerable of time to gain a deep understanding of our business before they came with a customised recommended approach.
Their specialisation in Mechanical, Electrical and Hydraulic has also enabled our team to negotiate more effectively when it comes to leasing. I will strongly recommend them if you are looking for a right partner to work with!”
Jian Hui Lee - General Manager at PapaRich
INNERMODE had the opportunity to work on a number of fitout projects with TJ Engineers including the CBD consolidation project for the Department of Transport Planning and Local Infrastructure at 1 Spring Street, Melbourne. The project involves refitting 7,000 sqm. over 6 Floors with a budget of $5 million.
Toshihiko and Jason responded to the design brief professionally by conducted thorough quantitative review and audit of the existing building services. The services documents and specifications are well detailed and we specifically find their immediate respond to any site queries commendable. Due to the rigour, quantified evaluation and engineering solution, it had a huge impact on the success of the project.
I fully endorse TJ Engineers for their broad skill of engineering services, including ESD analysis through to highly effective and tactical engineering strategies. Michel Loo - Design Partner at Innermode














Our Team
We believe in a diverse range of personel to bring creative skills, thoughts, and ideas to the table.
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About Us
TJ Consulting Engineers is a Melbourne-based boutique multi-disciplinary building services engineering consultancy firm founded in 2012 by Toshihiko Matsuzaki and Jason Chye. TJ Consulting is uniquely positioned to be able to deliver services at a standard expected by larger and more established firms, but adaptable enough to respond quickly and effectively according to your needs.
Building Refurbishment
Refurbishment: to activate; renovate; brighten, liven.
Clients approach us with similar reasons to refurbish their buildings. The main drivers for building refurbishment are the need to improve commercial value, maximizing building efficiency, attracting new tenants and minimizing disruptions and operating costs.
In order to increase a building’s efficiency, essential equipment such as chillers and boilers need to be upgraded every 15 to 20 years. As the equipment gets older, the efficiency decreases. Without an upgrade, the old equipment will increase running costs of a commercial building. Faulty equipment would also cause disruptions to the daily operations of a commercial building. Refurbishment efforts are also a reflection on responsible building owners who are interested in maintaining the value of their investment and retaining existing tenants.
In order to assist our clients in their building refurbishment projects, we conduct our own analysis of the buildings and find out where efficiency can be improved, and how to achieve a higher NABERS rating and design new services provisions that match new Buildings (e.g. tenant supplementary outside air).
We help our clients find the best solutions for their needs, and explore different avenues for cost-savings.
Commercial Fitout
TJ Consulting is able to provide expertise in commercial fitout services.
With our extensive knowledge of existing buildings within the Melbourne CBD as well as a good understanding and appreciation of base building systems and their impact on proposed fitout works, TJ Consulting is a leading provider of building services design solutions for building refurbishments.
We are able to provide expertise in various types of systems and technologies including:
- Smart energy metering
- Commercial office lighting design
- Lighting control and automation systems
- Communications Horizontal and backbone Cabling Infrastructure
- Access Control and Intruder Detection System
- Duress Alarm System
- Mechanical Exhaust System
- Variable Air Volume
- Variable Refrigerant Volume
- Thermal modelling
Energy Assessment
TJ Consulting is able to provide expertise in energy assessments.
From understanding the current performance of your existing facility to achieving the highest Greenstar and NABERS ratings, TJ Consulting is able to assist with your requirements.
We recognise that there is a huge potential in maximising the use of energy associated with how we condition a space, how we control and manage lighting, how much hot water is required, etc. Our broad skills in all building services disciplines bring together a holistic and well-coordinated solution.
We are able to provide expertise in various types of systems and technologies including:
- Embedded Energy Generation
- Smart energy metering
- Lighting control and automation systems
- Free Cooling
- Variable Air Volume
- Variable Refrigerant Volume
- Thermal modelling
Building Services Suitability Review
Our Building Services Suitability Review has one main objective: to minimize Client’s risk.
Businesses relocate and shift offices. Whether a Client is expanding or downsizing, it is important to consider whether the property they intend to move in to would cater to their needs — before committing to a lease or legal agreement.
TJ Consulting’s Suitability Review will help you answer questions such as:
- Does the potential office space have sufficient power for all your equipment?
- Will the potential office space require any additional equipment in order to cater to your business needs? If it does, how much will it cost?
- Can the building owner contribute to any fitout costs?
- What aspects of the potential office space can the Client use to negotiate rent?
- Is it wise to lease the potential office space you are interested in?
- Will there be substantial mechanical air conditioning supplementary infrastructure cost due to lack of base building provision?