5 Questions To Ask When Choosing A Custom Shed Supplier

Metal Mates • May 2, 2025

When investing in a custom shed, you're not just buying a structure—you're shaping a functional space that will serve a specific purpose on your property. Whether it's a storage shed, workspace, or multipurpose shelter, getting it right the first time depends heavily on choosing the right shed builder. With so many options available, how do you select a supplier who delivers quality and peace of mind?


Asking the right questions is key. Below are the eight most important questions you should pose to any custom shed supplier to help guide your decision and protect your investment.

1. What types of customisation options do you offer?

A custom shed should meet your specific requirements—whether extra headroom, insulation for tools and equipment, or integrated workbenches. Not all shed builders offer the same level of flexibility in their designs, so it’s worth asking early what can and can’t be tailored.



A reliable supplier should offer:


  • Multiple size options, including width, height and span variations
  • A variety of roof pitches and eave overhangs
  • Optional add-ons such as roller doors, personal access doors, and windows
  • Accessories like insulation, skylights, or internal walls for zoned spaces


By ensuring the shed builder can deliver on your unique requirements, you’ll avoid compromise and get a structure that adds value to your property.

2. What materials do you use & are they suited to the local climate?

Material choice plays a huge role in determining how well your shed will perform over time. Materials must be tough and corrosion-resistant in a place like Newcastle, where coastal exposure and variable weather are common.


A reputable shed builder should provide:


  • Cladding made from high-tensile steel, like COLORBOND® or ZINCALUME®
  • Steel with coatings designed to resist rust and salt corrosion
  • Fasteners, brackets, and gutters made with galvanised or stainless steel components
  • Advice tailored to your specific site conditions (e.g., bushfire zones, wind regions)


Durable, locally suited materials reduce maintenance and maximise the lifespan of your shed.

3. How long will the process take from quote to completion?

Timelines are essential, particularly if your shed is part of a larger renovation or property development. A well-organised builder should be able to outline the steps from initial quote to final installation.


Ask for:



  • A breakdown of each stage (design, engineering, council approval, fabrication, construction)
  • Realistic lead times for materials and labour availability
  • Contingency planning in case of delays due to weather or supply issues


Clarity around timeframes helps you plan around your project and avoid frustrations down the line.

4. What warranties & after-sales services are included?

Warranties offer essential peace of mind and signal the supplier’s confidence in their product and workmanship. Don't assume all sheds are covered equally—ask about structural and aesthetic components.


Check for:



  • Structural warranties (typically 15–25 years for steel)
  • Manufacturer warranties on components like cladding and doors
  • Workmanship guarantees, including timeframes for any post-build issues
  • Availability of support should you need repairs or adjustments down the track


Knowing your shed is backed by clear support means fewer headaches later.

5. How Do You Handle Changes Or Upgrades During The Build?

Plans can change once construction begins—perhaps you want to add an extra window, adjust the roof pitch, or upgrade to a better guttering system. Understanding how a builder manages these changes helps avoid miscommunication and unexpected costs.



Clarify:


  • If there is a formal process for submitting changes post-contract
  • How changes are costed and whether variation approvals are required
  • The cut-off point for upgrades without affecting the schedule

Build Your Ideal Custom Sheds In Newcastle With Us

Choosing the right shed supplier goes beyond price comparisons—it’s about finding someone who can tailor the solution to your needs, guide you through regulations, and deliver a durable, well-crafted structure. Each of these questions helps you better understand how your shed builder operates, what’s included, and how much control you’ll have throughout the process.


At Metal Mates, we pride ourselves on crafting high-quality custom sheds built for purpose, built to last, and built with you in mind. Whether you're after a small garden shed or a multi-bay workshop, we guide you from design to completion, taking the guesswork out of the process. Ready to start? Get in touch via our contact page or give us a call to discuss your shed project today or to learn more about how we can help.

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