Can I Change My Double Garage Doors to a Single? Complete Guide
If you’re staring at two ageing garage doors and wondering whether you can convert them into a single, wider opening — the short answer is yes. But like most home improvement projects, the devil is in the detail. From structural load-bearing walls to local council requirements, converting double garage doors to a single involves more planning than most homeowners expect.
At A1 Garage Doors Gold Coast, we carry out this type of conversion regularly across the Gold Coast region. This guide walks you through everything you need to know — from the structural considerations to the expected costs — so you can make a confident, informed decision before you pick up the phone.
Why Homeowners Want to Convert Two Doors Into One
The most common reason people ask about this conversion is simple: their current setup no longer fits their lifestyle. Two narrow single doors — typically around 2.4 m wide each — can make it frustrating to park a modern SUV, van, or boat trailer. A single panel door spanning the full double-bay width (usually 4.8 m to 5.5 m) solves this immediately.
Beyond practicality, there’s a strong aesthetic case. A single, seamless sectional or roller door gives a home a cleaner, more contemporary look. Many Gold Coast homeowners also find that maintaining one automatic opener rather than two reduces both running costs and the number of service calls over time. If you’re considering upgrading to a smart motor as part of the project, our guide to the best smart garage door openers in Australia is worth reading before you commit to a system — it breaks down compatibility, features, and what to look for in 2024.
Interior space is another driver. The centre pillar that separates two single doors often intrudes into usable floor space. Removing it opens up the garage for larger workbenches, storage racks, or a workshop setup that simply wasn’t possible before.
Check Your Garage Structure First — This Is Non-Negotiable
Before you get excited about door styles and colours, the most important step is a structural assessment. Not every garage can safely accommodate the conversion, and cutting corners here creates serious safety risks.
The Centre Pillar
In older Gold Coast homes — many built during the 1970s through 1990s housing boom — the centre pillar between two garage doors is often load-bearing. It carries the weight of the roof structure above. Removing it without installing an appropriate steel beam or reinforced lintel is dangerous and in most cases illegal under the National Construction Code.
The Lintel and Roof Line
A wider opening means more span for the lintel to bridge. Your structural engineer will specify the minimum steel beam size based on your roof load, span width, and the age of the building. This is a cost that surprises many homeowners — but it’s not optional.
The Floor and Foundation
Less commonly discussed but equally important: the garage floor. If the existing slab has significant cracking near the old door framing, the conversion is a good opportunity to address it. Wide door tracks are anchored to the floor, and instability here causes long-term operational issues.
We recommend engaging a licensed structural engineer before proceeding. It adds a modest upfront cost but protects you legally and practically.
Step-by-Step: How the Conversion Actually Works
Step 1 — Planning and Council Permits
In Queensland, structural alterations to a garage generally require a building permit. Your local Gold Coast City Council building certifier can advise on whether your specific project needs one. Skipping this step can create complications when you sell the property.
Step 2 — Structural Engineer Sign-Off
Once you have a structural engineer’s report confirming feasibility, you’ll receive specifications for the new beam. This document is required by your builder or certifier to proceed with the structural work.
Step 3 — Removing the Existing Doors and Pillar
The old doors, tracks, and hardware are removed. If the centre pillar needs to come out, this is done carefully with temporary supports in place to hold the roof structure while the new beam is installed. This work must be carried out by a licensed builder.
A steel or LVL (laminated veneer lumber) beam is installed across the new, wider opening. The builder will ensure it’s seated correctly in the existing wall structure on both sides. This is the most critical phase of the entire project.
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Don’t Overlook Insulation on a Wider DoorBlog
A single wide-span door has considerably more surface area than two smaller doors, which makes insulation a much bigger factor than most homeowners expect at the planning stage. On the Gold Coast, an uninsulated steel door facing west can radiate significant heat into your garage through summer, turning the space into an oven by early afternoon. If you’re going to the effort and expense of a full conversion, specifying an insulated door from the outset costs far less than retrofitting later. Our detailed guide on > upgrading your home with garage door insulationGarage Door Openers walks through every insulation option — from foam-injected panel cores to reflective foil — and what each delivers in terms of real-world temperature reduction on the Gold Coast. >
Benefits vs. Considerations: An Honest AssessmentThe Advantages of Using a Smart Garage Door Opener
Benefits<
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>* Full-width vehicle access — ideal for SUVs, vans, boats, and trailers<
noscript>* Single automatic opener reduces long-term maintenance<
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using a smartphone app or voice commands, receive alerts when it is opened or closed, and even set it to open or close automatically based on your schedule or location with a brilliant opener.garage door installations on a slopeSmart garage door openers come with a variety of features and technology. Some types let you open and close your door from anywhere by utilizing a smartphone app. Others include voice control via a smart speaker or assistant, allowing you to operate your door without using your hands. explains how this is assessed and resolved, and it’s essential reading if your driveway isn’t dead flat.Another valuable function of smart garage door openers is automatic opening and closing. You may program your door to open and close automatically based on your schedule or location, which increases security and convenience. Some versions even let you configure personalized notifications, such as alerts when the door is left open for an extended period. Taking your garage off-grid is the next level of smart automation — find out how a
Alternative Options Worth Consideringsolar powered opener
If the full conversion feels like too much disruption or expense right now, there are a few middle-ground solutions: keeps your door running even during a power outage.
* Replace two old single doors with two new, matching single doors — a much simpler and more affordable update that still refreshes your home’s appearance.A smart garage door opener has various advantages in terms of convenience, security, and automation. It is a worthy investment that can yield long-term benefits.
* Upgrade to a smart dual-opener system that allows both doors to operate on a single remote or app — a cost-effective way to simplify operation without structural changes.Remote access and management
* Install one wide and one narrow door — if you primarily use one bay for parking and the other for storage access, this asymmetric approach can be a practical compromise.A crucial feature of a smart garage door opener is remote access and control. Using this function, you may use a smartphone app to open and close your garage door remotely. This is particularly useful if you forget to close your door before leaving the house or if you need to give someone access while you are away.
Ready to Convert? Talk to A1 Garage Doors Gold CoastYou can use a smartphone app to monitor and track the state of your door in addition to opening and closing it remotely. This might provide additional security and peace of mind that your door is closed and your home is protected. You may also set up personalized notifications on some models, such as when the door is opened or closed.
A1 Garage Doors Gold Coast has been serving residential and commercial customers since 2020, with a 4.9/5 rating across verified reviews. We supply, install, and service garage doors across the Gold Coast and parts of Brisbane — from Bundall to Surfers Paradise, Burleigh Heads to Coomera.Overall, remote access and control of a smart garage door opener is a simple and secure option that can bring increased convenience and peace of mind.
We provide free, no-obligation quotes on the door supply and installation component of your conversion project. Our team can also advise on structural requirements and refer you to trusted licensed builders and engineers where needed.Voice command
Call us today on Another valuable feature of a smart garage door opener is voice control. You can use a smart speaker or assistants like Amazon Alexa or Google Assistant to manage your garage door with voice commands. This enables hands-free operation, making it simple to open and close your garage door without pressing a button or physically using a smartphone app.(07) 5515 0277 Connect your smart garage door opener to a smart speaker or assistant using the relevant app or device settings to use voice control. Once linked, you may use voice commands to open and close your door and check its status. or visit Voice control is a simple and convenient function that can increase convenience and safety. It’s convenient if you carry groceries or have a lot in your hands when entering or exiting your garage.goldcoastgaragedoorrepair.com.auOverall, voice control is a convenient feature of a smart garage door opener that allows for hands-free operation. to get your free quote.Auto-opening and closing
Frequently Asked QuestionsA smart garage door opener with automatic opening and closing is a valuable feature. You may automatically program your garage door to open or close based on your schedule or location. This can boost security and convenience because you won’t have to manually open and close your gate every time you come and go.
Can I do this conversion myself?To use the automated opening and closing feature, you must create a schedule or location-based rule in the app or device settings. You can, for example, program your door to close automatically at a specific time each day or to open automatically when you return home.
The garage door installation component is possible for an experienced DIYer, but the structural work — particularly removing a load-bearing centre pillar and installing a steel beam — must be carried out by a licensed builder. We strongly recommend professional installation for the door itself to ensure safety, correct spring tension calibration, and warranty coverage.Automatic opening and closing can provide convenience and security, especially if you must remember to close your door or wish to give someone access while you are away.
How long does the full project take?Overall, the automatic opening and closing of a smart garage door opener is a beneficial feature that can improve security and convenience.
Structural work typically takes one to three days. Door installation, once the opening is ready, usually takes half a day to a full day depending on the door type and complexity. Allow for a planning and permit period of two to four weeks before physical work begins.<
