Building legalisation
We prepare the technical file to regularise existing buildings: measured survey, structural-safety report and follow-up until a decision is issued.
What the service includes
Measured survey, structural-safety report and follow-up until approval.
- Measured surveyRecording the existing building as built.
- Structural-safety reportAssessment of the building by a consulting engineer.
- File preparationDrawings and required documents.
- Submission and follow-upUntil the decision is issued.
From start to delivery
Every stage has a clear owner, and nothing moves on until the previous stage is approved.
- 1
Site visit
Inspecting the building and its papers.
- 2
Survey and assessment
Survey and safety report.
- 3
File
Preparing the full file.
- 4
Follow-up
Through to approval.
Questions clients ask
What is a structural-safety report?
A report by a consulting engineer assessing the condition and structural safety of an existing building.
Do you need the original building documents?
Yes, whatever is available; we identify what is missing after the visit.
Does this include authority follow-up?
Yes, we follow the file until a decision is issued.
Request: Building legalisation
Fill in your details and a lead engineer will own your request from start to finish.
- 01We review your request and project details
- 02A lead engineer calls you within one working day
- 03We send the required documents, timeline and fee
Related services

Engineering design
Architecture, structures, electrical, mechanical, plumbing and fire in one coordinated set.
Learn more
Building permits
12 permit services, from site validity, new builds and extensions to the occupancy certificate.
Learn more
Site supervision
A consultant independent of the contractor: inspections, periodic reports and payment review.
Learn more