01
Site selection
We shortlist 3–5 options to suit your brief, budget and future logistics. We assess the terrain, access, utilities and surroundings.
- Deliverable
- Comparison table
- Schedule
- 2–4 weeks
- Your part
- You set the brief and the budget
Full cycle
From plot
to keys
A project with ONEZA Construction goes through six stages: site selection 2–4 weeks, legal due diligence 3 working days, design 2–3 months, permitting 1–3 months, construction 6–20 months, handover 2 weeks. Every stage is closed with an act and a result that stays with the client.
The construction period depends on the building: a private house 8–14 months, a warehouse 6–12, a residential building 12–20. The detailed estimate appears at the design stage and becomes an annex to the contract. The client receives weekly photos and video from the site and accepts every stage together with an independent technical supervisor. ONEZA does not carry out finishing works — the building is handed over ready for fit-out. ONEZA obtains the building permit itself, under the client's power of attorney.
Summary
How long does
each stage take?
| Stage | Deliverable | Schedule |
|---|---|---|
| 01 Site selection | Comparison table | 2–4 weeks |
| 02 Legal due diligence | Report and risk map | 3 working days |
| 03 Design | Complete design package | 2–3 months |
| 04 Permits | Building permit | 1–3 months |
| 05 Construction | Building ready for fit-out | 6–20 months |
| 06 Handover | Keys and documents | 2 weeks |
02
Legal due diligence
We verify ownership, encumbrances, zoning, utilities and development parameters. We obtain registry extracts and planning conditions.
- Deliverable
- Report and risk map
- Schedule
- 3 working days
- Your part
- You receive the report and make the decision
03
Design
We prepare the architectural concept, working drawings and engineering solutions. This is where the detailed estimate is produced.
- Deliverable
- Complete design package
- Schedule
- 2–3 months
- Your part
- You approve the concept and the estimate
04
Permits
We compile the document package, submit it to City Hall and manage the approvals until the permit is issued.
- Deliverable
- Building permit
- Schedule
- 1–3 months
- Your part
- You sign a power of attorney; we handle the rest
05
Construction
Monolithic frame, building envelope, facade and building services. Weekly reports and stage-by-stage acceptance. Duration depends on the project: private house 8–14 months, warehouse 6–12, residential building 12–20.
- Deliverable
- Building ready for fit-out
- Schedule
- 6–20 months
- Your part
- You sign off each stage and review the reports
06
Handover
We prepare the as-built documentation, carry out the final acceptance and hand over the keys.
- Deliverable
- Keys and documents
- Schedule
- 2 weeks
- Your part
- You sign the acceptance certificate and receive the keys
We do not carry out interior finishing — we hand over the building ready for fit-out.
Questions
What do clients ask
about the process?
Where does construction start?
With the plot: if you already have one, with a 15-point check (free when you sign a construction contract); if not, with a shortlist of 3–5 options for your brief and budget. Then come the design, the permit and construction.
When is the estimate prepared?
At the design stage: together with the working design, ONEZA prepares a detailed estimate, which becomes an annex to the contract.
Does the client need to be on site?
No. You can sign a power of attorney: ONEZA obtains permits and approvals itself, and the client accepts stages through certificates and weekly photos and videos from the site.
What does the client receive at the end?
A building ready for fit-out, as-built documentation and the keys. ONEZA does not do interior finishing.
Ready to start
from stage one?
Discuss a projectNext step
Get an estimate
for your project
Tell us which stage you are at — we will say what the next step is and how long it takes.
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- 01Brief
- 02Design
- 03Estimate
- 04Lock-in