DIEZ Free Zones
DIEZ Approval
Dubai Integrated Economic Zones
What is DIEZ Approval?
DIEZ approvals for Dubai Airport Freezone (DAFZA), Dubai Silicon Oasis (DSO) and Dubai CommerCity.
Who needs it?
Tenants, owners and contractors undertaking fit-out, MEP or structural changes in this jurisdiction.
When?
Before works start — submission, review, comments, then NOC/inspection.
Typical documents
- Trade license & tenancy / title
- Affection plan / site plan
- Architectural & MEP drawings
- NOC from building management
- Authority forms where applicable
Documents may vary depending on project type, scope and authority requirements.
Not sure what you need? → Send your drawingsHow the approval journey works
Depending on scope and authority requirements.
01
Project Assessment
Scope, location and available documents.
02
Engineering Review
Drawings and authority requirements check.
03
Document Preparation
Prepare technical documentation.
04
Authority Submission
Submit via applicable portal.
05
Comments & Revisions
Address authority comments.
06
Approval / Handover
NOC, inspection, outcome documentation.
Common reasons drawings may require revision
- Missing information
- Drawing coordination issues
- MEP conflicts
- Inconsistent project information
- Incomplete documentation
- Load/service information gaps
- Submission standards
- Scope changes during review
Phased as common project issues that may require clarification — not official authority rules unless verified.
Related engineering services
What approval do you need?
Project requirements are strict. Answer 4 quick questions to instantly identify your required approvals and avoid compliance roadblocks.
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