Estimating & Schedule Writing

Accurate Estimations, Specifications & Schedules

At John Barnes, we understand how finding the right services and products for the right price can make or break a project. Let our expert staff take the worry out of your next building project.

Our first-class Estimating and Scheduling team provide competitive quotes and tenders to major commercial projects and private contracts throughout Queensland, Northern New South Wales, and wider Australia.

We can liaise with developers, designers, builders and contractors to:

  • Review the project’s documentation to determine all architectural hardware specifications and requirements.
  • Navigate tender documents and packages to prepare schedules for the supply and installation of all architectural door hardware.
  • Offer expert advice on products best suited for any application.
  • Devise a fully comprehensive Master Key System.

To learn more about how we can help your next project, why not call us today on (07) 3275 8888 or enquire below?

Enquire About Our Estimating & Scheduling Team

Estimates, Specifications & Schedules

Project Estimating Made Simple

At John Barnes, our estimation and scheduling process is as easy as 1, 2, 3.


We receive an invitation with the project details, requirements, plans and due dates.


We respond in a timely manner to discuss how we can fulfil your request in the desired timeframe, and request any extra information we may need.


We organise tender packages using reputable brands for your project by the confirmed due date.

We are more than happy to answer all of your questions either via a phone call, online enquiry or in person! Our showroom offers face-to-face consults and allows you to explore our products in person.

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Bespoke Tender Packages

Our tailored tender packages state all the conditions and specifications about the responsibilities of the buyer and the contractor. Using our bespoke management software, we can record your project specifications to the smallest detail to provide quotes, products, and services of the highest quality and value.

We deliver accurate pricing, supply and installation of a wide range of reputable products, including:

  • Door hardware – door handles, door knobs, door locks etc.
  • Digital locks
  • Bathroom fixtures and equipment
  • Master key systems
  • Timber doors and metal frames
  • Gate hardware
  • Access control systems

Want to know more about our products? Visit our online store or speak to one of our specialists today, on (07) 3275 8888.

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No Project is too big or too small

Our Estimating and Scheduling team has helped a variety of residential and commercial clients with their building projects. So whether you’re undertaking a new home build or a multi-storey facility, you can trust that we have the experience and knowledge to make it a seamless experience.

  • Brisbane Bayside State College – Salto wireless access control upgrade

    Complete replacement of mechanical locking system to Salto wireless online access control system at the Brisbane Bayside State College.

  • Thomas Dixon Centre Redevelopment

    The redevelopment includes a new amphitheatre, wellness centre, gym, dressing rooms and dancers lounge as well as admin offices, boardroom and ultramodern amenities.

  • Westfield Upgrade – Chermside

    This expansion saw 95 new retailers, a gallery mall and a new resort-style dining and entertainment precinct added to the extensive centre.

  • Westfield Coomera

    The centre caters to all ages with over 140 specialty stores and high-ropes courses, laser tag and arcade centres.

  • BAC DHL Warehouse Expansion

    The new warehouse will be connected to the existing 3,500sqm warehouse and 760sqm office space.

  • Kallangur Neighbourhood Centre

    This centre aims to encourage and enable community participation and respond to identified community issues and needs.

  • Palm View State School & Special School

    Co-located with Palmview State School, Palmview State Special School includes a multi-purpose activity centre, skills centre, and hospitality centre alongside a modern new learning centre, library, canteen and administration centre.

  • Yamanto Shopping Centre

    The development will house Coles, Kmart and a vast range of smaller retailers, an outdoor dining area accommodating up to 300 people and a brand new health and wellness precinct.

  • Airservices Australia ATSC Extension (Air Traffic Services)

    This new facility includes the Control Operations Room, Building Services Centre, equipment rooms, power plants, chiller plants and car parking facilities.

No Job is too Big or Too Small


At John Barnes, we understand how important securing your family home or investment property is. Our Locksmiths are highly skilled and experienced in designing supplying and installing only the best residential security solutions for:

  • Stand-alone homes
  • Townhouses
  • Duplexes
  • Multi-level homes
  • Apartment blocks
  • Gated communities and more.


John Barnes provides unrivalled commercial and industrial security solutions for a wide range of clients. These solutions can include but are not limited to master key systems, digital locks, access control systems and security cameras. We can design, supply and install these for:

  • Office buildings
  • Shopping centres
  • Hospitals and Medical facilities
  • Hotels and hostels
  • Schools
  • Prisons
  • Industrial buildings and more

Why choose us for all your project needs

  • Trusted By Many businesses

    Trusted By Many Businesses

    For five decades and counting, John Barnes has been the provider of choice for a vast array of businesses, both large and small.

  • Quality service & products

    Quality Service & Products

    Our company has built a reputation for quality service, products and advice. This has been made possible through our stringent quality controls and continuous training within the organisation.

  • Prompt and professional services

    Prompt and Professional Services

    Our experienced sales personnel and licensed service technicians take pride in providing effective and timely services, as well as offering expert advice.

Need more for your project?

Explore to see what else you’ll need.