Process
How Long Do Architectural Renders Take? NZ Guide
From the moment a project is approved, a set of still architectural renders usually takes about three weeks to reach final delivery. That window covers briefing, 3D modelling, a grey-render checkpoint, texturing and lighting, three rounds of revision, and the final high-resolution export. The machine render itself is a small backstage step. What fills the calendar is the back-and-forth between you and the studio.
For New Zealand property developers and architects, that three-week figure is the number to plan around. Below is where each day goes, what stretches the timeline, and how to compress it.
What are the stages of an architectural render project?
A still render project moves through six stages, and most of the elapsed time sits in approvals and revisions, not production. The studio works in working days, and your sign-off speed at each gate sets the real pace.
Here is a typical breakdown for a small still-image set, the kind a developer commissions for a single house or a handful of apartment interiors. Active production days sit inside the wider three-week window; the rest is briefing, your review time, and revision rounds.
| Stage | What happens | Typical time |
|---|---|---|
| 1. Briefing and inputs | You hand over plans, elevations, finishes schedule, and reference images. The studio confirms scope, camera angles, and shot list. | 1 to 3 working days |
| 2. 3D modelling | The studio builds the building geometry from your drawings: walls, openings, roof, key site context. | 1 to 3 working days |
| 3. Grey render checkpoint | A grayscale "clay" render goes to you to approve proportions, camera position, and layout before any materials are applied. | 1 day, then your review |
| 4. Texturing and lighting | Materials, finishes, daylight, and shadows go on. This is where the image starts to look real. | 1 to 3 working days |
| 5. Revision rounds | You review the near-final image and request changes. Three rounds is standard. | Driven by your turnaround |
| 6. Final delivery | The studio runs the final high-resolution frame and delivers the files. | Same day to 1 day |
The grey render checkpoint matters more than it looks. ArchiCGI's breakdown of the architectural rendering process describes this grayscale "clay render" as the moment to lock in proportions, camera, and composition before texturing begins. Approving it quickly keeps the whole project on track. Sitting on it for a week pushes everything back by a week.
How long does the production work itself take?
The hands-on production for a single still is short, usually a few working days per image, and this is the part studios can quote with confidence. The longer timeline you experience comes from review cycles wrapped around that work, not from the work itself.
Studio figures give a useful sense of the active production range. ArchiCGI's guide to architectural visualisation time frames puts interior stills at roughly 2 to 4 working days and exterior stills at roughly 3 to 10 working days, with a standard house exterior around 3 to 5 days and dense city-scale scenes nearer 8 to 10. Treat these as typical industry ranges rather than fixed standards, since every studio and every brief differs.
That production work is what sits inside Render Works' three-week window. The other two-thirds of the calendar is briefing, your review time, and the revision rounds. AIMIR CG's piece on how long a 3D render takes reaches the same conclusion: a standard project of one to four still images typically runs about three to four weeks end to end once you fold in all rounds of client comments. The render itself, the literal computer pass that produces the final pixels, takes hours at most and happens once everything is signed off.
Why do exteriors take longer than interiors?
Exteriors usually take longer and cost more than interiors because there is more to build and light. An interior is a contained room with controlled lighting. An exterior carries the full building envelope, landscaping, surrounding context, sky, and natural daylight that has to read correctly at the chosen time of day.
That extra scope is why the studio ranges above split the two: interior stills cluster around 2 to 4 days of production, exteriors around 3 to 10. A single hero exterior of a standalone house is quick. A streetscape with neighbouring buildings, planting, cars, and people is a different job. If your project leans heavily on exteriors, build a little more time into your schedule, and expect the cost to follow. For how those costs break down, see our guide to what architectural renders cost in New Zealand.
What makes a render project faster or slower?
The single biggest lever is how complete your inputs are on day one. Projects that start with full plans, a locked finishes schedule, and clear reference images move straight into modelling. Projects that start with half-finished drawings stall before they begin.
Here is what pulls the timeline in each direction.
Speeds it up:
- Complete inputs at briefing: plans, elevations, finishes, and reference images supplied together.
- Fast, decisive sign-off at the grey render checkpoint.
- A clear shot list agreed before modelling starts.
- Consolidated feedback: one marked-up set of comments per round, not trickled-in notes.
Slows it down:
- Missing or changing source drawings mid-project.
- Late additions to the shot count or scope creep.
- Slow review turnaround at each gate.
- Going past the standard three revision rounds.
How many rounds of revision are included?
Three rounds of revision is standard across the industry, and it is what Render Works builds into a still project. A round means you review the image, send your changes, and the studio applies them. Three passes is enough to get a typical still right when feedback is clear and consolidated each time.
Revisions are also the part of the timeline most under your control. Vague or piecemeal feedback burns through rounds fast. Marking up exactly what you want changed, in one go, keeps you inside the standard three and inside the three-week window.
Can a render be done faster than three weeks?
Yes, a single still can be turned around faster than three weeks when the brief is tight, the inputs are complete, and you sign off quickly at each stage. The three-week figure covers a normal project with full revision rounds and realistic client review time built in. Strip out the delays and the active work is only a handful of days.
The reverse is also true. A large multi-image set, a complex exterior, or slow approvals will push past three weeks. The number that moves the timeline most is your own turnaround, not the studio's render speed.
Frequently asked questions
How long do architectural renders take from approval to delivery?
A typical still-image render project takes about three weeks from approval to final delivery. That covers briefing, modelling, a grey render checkpoint, texturing and lighting, three rounds of revision, and the final export. The hands-on production is only a few days; review and revision cycles fill the rest.
How long does a single still render take to produce?
The active production for one still is usually 2 to 4 working days for an interior and 3 to 10 for an exterior, according to ArchiCGI's industry ranges. The final computer render pass itself takes hours, not days, and runs once the image is approved.
Why do exterior renders take longer than interiors?
Exteriors carry more to model and light: the full building envelope, landscaping, surrounding context, and natural daylight. An interior is a contained, controlled space. That extra scope is why exterior stills sit at the higher end of production ranges and usually cost more.
How many revision rounds come with a render project?
Three rounds is the industry standard and what Render Works includes. Each round is one cycle of your feedback applied to the image. Consolidating your changes into a single clear set per round keeps the project on schedule.
What is the fastest way to speed up a render project?
Supply complete inputs at briefing: full plans, a locked finishes schedule, and reference images, all at once. Then sign off quickly at the grey render checkpoint and give consolidated feedback in each revision round. Slow approvals and changing drawings are what stretch the timeline, not the render itself.
