Need a Door for a Non-Standard Opening?
Standard sizes do not always work for older Australian homes, renovations or project-specific openings. Custom sizing lets you keep the design you like and fit the opening you have.
SELECTED RANGES
Explore Custom Size Door Options
Choose an existing OSB door design first. Once you find a suitable model, return to this page and send us the product code with your required dimensions.
Custom Sliding Doors
Stacker and sliding systems made to your opening width and track.
View range →
Custom Front Doors
Entrance doors in custom widths and heights, with sidelights available.
View range →
Custom Bifold Doors
Multi-panel bifold sets configured for wide indoor-outdoor openings.
View range →
SIMPLE PROCESS
How to Order a Custom Size Door
Five quick steps from choosing a design to delivery.
Choose a door
Note the product code of the design you like.
Send dimensions
Width, height, quantity and a photo of the opening.
Feasibility review
Our Sydney team confirms it can be made in your size.
Itemised quote
Confirmed specs, pricing, lead time and delivery.
Production & delivery
Doors are manufactured and delivered to you.
What sizes can we make?
A general range for planning purposes. Every job is confirmed for feasibility before production.
| Application | Typical Width | Typical Height | Custom Range |
|---|---|---|---|
| Entrance Door | 820 – 1200mm | 2040 – 2400mm | Wider & taller on request |
| Interior Door | 620 – 920mm | 2040 – 2400mm | Down to heritage sizing |
| French / Glass Door | 720 – 1200mm | 2040 – 2400mm | Multi-panel sets available |
| Sliding / Bifold | 2 – 6 panel sets | 2040 – 2400mm | Made to opening & track |
Sidelights and highlights can be added to suit wide entries.
These figures are general planning guidance only — every project is reviewed for feasibility. Outside these ranges? Send your dimensions anyway; non-standard is exactly what this service is for. Request a Custom Size Quote →
Width at three heights (W1 · W2 · W3), height on both sides (H1 · H2).
Tell us which line you measured — door leaf, frame or wall opening. Approximate is fine.
Measure Guide
Measure With Confidence
Start with approximate measurements
You can send approximate measurements for the initial quote. Before production, final dimensions should be confirmed by your builder, carpenter or installer.
- 1 Measure width at the top, middle and bottom of the opening.
- 2 Measure height on both sides of the opening.
- 3 Tell us whether you measured the door leaf, frame or wall opening.
- 4 Add a clear photo of the full opening and existing frame.
Why choose One Stop Building for Custom Size Doors?
Swipe through the seven reasons homeowners and builders choose us.
Custom Sizing Across Selected Ranges
Practical Sizing Support
Itemised Quotations
Sydney-Based Support
Homeowner and Trade Supply
Owned Manufacturer
Quality Assured
Request a Custom Size Door Quote
Not sure you have every detail? Send what you know. Our team can advise what else is needed.
- Approximate measurements are enough to start
- Email photos, plans or a door schedule to our team
- No commitment until details are reviewed
Send your enquiry by email with supporting files, or complete the quote form below.
Complete the quote form

