There is a pattern we see every year. The first warm weekend in October arrives, people decide they want a pool, they ring around, and then they discover the same thing: the pool will not be ready for that summer. By the time design, approval and construction are done, it is autumn again.

Key takeaways
- A custom concrete pool in Sydney usually takes 20 to 24 weeks from first design to first swim, and sometimes longer depending on which approvals process it can be built under.
- To be swimming by December, start the process at the beginning of winter, around June, even earlier if you can.
- Approval alone can take four to eight weeks through CDC (Complying Development certificate), and it is the step most likely to hold things up. It can take even longer through the DA (Development Application) process.
- Design the pool as part of the garden from the start, not as a box added at the end.
- Indicative price ranges are in the FAQ at the foot of this page.
The lead time on a pool is the gap between deciding to build and actually swimming, and on a custom concrete pool in Sydney that gap is months, not weeks. The good news is that winter, the season nobody is thinking about pools, is exactly when you should start.
How long does it take to design and build a luxury pool in Sydney?
For a custom concrete pool, plan on 20 to 24 weeks end to end. That covers design, approval, excavation, the concrete shell, curing, finishes, fencing and landscaping. Curing the shell alone takes around 28 days and cannot be rushed, whatever the weather is doing.
Plenty of things stretch that timeline: wet weather, tricky access, rock in the ground, and slow approvals. So 20 to 24 weeks is the realistic middle, not the best case. If your site is steep, rocky or hard to get machinery into, build in a buffer.
A month-by-month timeline from first call to first swim
Here is roughly how the work sequences. Stages overlap, so the total is shorter than adding these up.
- Weeks 1 to 3: First consultation, site assessment and concept design. We look at levels, access, soil and how the pool relates to the house and garden.
- Weeks 3 to 8: Detailed design, engineering and documentation. This is where the pool, surrounds and landscaping are drawn together as one scheme.
- Weeks 6 to 14: Approval. A Complying Development Certificate through a private certifier is faster; a full Development Application through council takes longer. Allow four to eight weeks, sometimes more.
- Weeks 14 to 16: Excavation and site setup, usually one to two weeks depending on access and rock.
- Weeks 16 to 18: Formwork, steel reinforcing, plumbing and the sprayed concrete shell.
- Weeks 18 to 22: Curing (around 28 days), then tiling or interior finish, coping and paving.
- Weeks 22 to 24: Fencing, surrounding landscaping, filling, water balancing and handover.
Work backwards from that and the message is clear. If you want to be swimming by December, the design needs to start by June. Leave it until spring and you are building for the summer after.
Why winter is the smartest time to start
Winter is planning season for a reason. Starting now means the slow, invisible parts (the design, the engineering and the approval) happen while you are not using the garden anyway. By the time the weather turns, the disruptive work is done and the pool is ready when you actually want it.
There is a quieter advantage too. Winter is the off-peak period for pool builders and landscapers. You get better access to the people you want, more considered design time, and a build that is not competing with the spring rush for trades and materials.
“Everyone wants to start their pool in October, which is the one month it’s almost too late. The clients who swim all summer are the ones who called us in winter. Design and approvals take the time they take, so the smart move is to get those done while the pool isn’t on your mind, then build into spring.”
Matt Leacy, Landart founder and Creative Director
If there is one thing worth changing about how people approach a pool, it is this: stop waiting for warm weather to make the decision. The warm weather is the deadline, not the starting gun.
Approvals, engineering and the things that cause delays
Approval is the step that catches people out. Depending on the site and the design, a pool needs either a Complying Development Certificate, which a private certifier can issue relatively quickly, or a full Development Application through council, which takes longer. Either way, you cannot dig until it is in hand.
Engineering matters just as much on a Sydney site. Sloping blocks, sandstone and rock all change how the pool is structured and supported, and rock excavation is one of the most common causes of both delay and added cost. The other usual suspects are wet weather and trades being booked out, which is precisely the problem you avoid by starting in the quiet season.
None of this is a reason to hesitate. It is a reason to start early, with a firm that handles the approval and engineering for you rather than leaving you to chase certifiers.
Designing the pool as part of the garden, not as an afterthought

A pool dropped into a backyard always looks like a pool dropped into a backyard. A pool designed and integrated with the garden, where the coping, paving, planting, levels and sight lines all relate to each other, becomes part of the place rather than an object sitting in it.
This is the real argument for designing pool and landscape together. The coping material relates to the paving. The planting softens the edges and gives privacy. The levels are resolved so the pool sits naturally with the house and the rest of the garden. Done as one project, it reads as one space. Done separately, the joins always show.
If a pool is on your list for next summer, now is the time to start. Talk to the team about pool design and build while there is still time to have it ready when the weather turns.
Frequently asked questions
How much does a luxury pool cost in Sydney?
A custom concrete pool varies widely with the design and the site. A standard build sits at the lower end, while a premium pool with a spa, heating and surrounding landscaping sits considerably higher. Difficult access or rock excavation can add a meaningful amount on top. The most reliable figure comes from a site-specific quote once the design is settled.
Can you build a pool in winter?
Yes. Winter is one of the best times to build. The design and approval stages run while you are not using the garden, and construction is not competing with the spring and summer rush for trades.
When should I start if I want a pool finished by December?
Start the design by June. With a 20 to 24 week timeline, beginning in early winter is what gets you swimming by summer.
What adds time to a pool build?
Approvals, wet weather, difficult access and rock excavation are the main causes of delay. A steep or rocky Sydney site should be planned with extra time built in.
Do I need council approval for a pool?
Most pools need either a Complying Development Certificate through a private certifier or a full Development Application through council. The route depends on your site and design, and you cannot start excavation until approval is granted.
For more on getting the design right, read The Future of Luxury Pools, Resort Poolscapes: Blending Pools and Landscapes into an Oasis and Beautiful Ways to Landscape Around a Pool. When you are ready to begin, start your pool project with Landart.