Case Study:  Multi-storey office tower

The Job.

Prendos was asked to carry out a pre-purchase technical due diligence survey on a pair of multi-storey office blocks. Constructed in the late 1980s, the property was made up of 13 floors in the south tower and four floors in the north tower, extending to approximately 9,000m2 in total. The client was considering acquiring the property as an investment and needed to quickly understand the key risks.

We co-ordinated a multi-disciplinary team to assess the condition of the property – reviewing documentation and preparing a building inspection report covering the external envelope, mechanical and electrical services, as well as relevant legislation

Our Solution.

The size and complexity of the building, along with the limited timeframe, required a dynamic approach. As a result the inspection primarily focused on the exterior of the building. Apart from drawing on the knowledge of our in-house specialist personnel, we engaged external consultants for the mechanical and electrical systems and lifts.

We used our in-house drone operator to provide high-quality imagery across all elevations, allowing us to cover the exterior of the building quickly and safely. Our team worked together and co-ordinated the sub-consultant reports to provide a single coherent report to the client. 

The Outcome.

Our report highlighted a number of items that would be relevant to the ownership and management of the site. Equipped with a good understanding of the property’s condition, our client was able to appreciate the technical risks prior to acquisition.

From the date of instruction, the client received an executive summary within two weeks and the full report within three weeks. This quick turnaround meant that findings from our report could be referred to during negotiations for the purchase of the property.


Commercial client



Services Provided:

Technical Due Diligence

BDO Tower drone inspection

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