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TDD Rua das Giestas 16

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The technical inspection of the refurbishment works in a single-family house in Sesimbra required a rigorous reading of construction quality at a stage when most of the works had already been completed. COLUNA supported the process through Technical Due Diligence, reviewing the property, the available documentation and the construction budget in order to identify non-conformities, understand their likely causes and structure a prioritised intervention strategy. The work covered the main building, the roof level and the external area with swimming pool, making it possible to distinguish finishing issues from matters with greater functional and operational impact.

Location Sesimbra, Portugal
Assets Type Residential
Customer Profiles Private Owner
Services Technical due Diligence
Type of Interventions Technical Inspection at Final Construction Stage
Gross Area 250 sq m
Investment Undefined
Start / Completion Year 2023 – 2024
Current Status Completed

Key Challenges
and Solutions Adopted

The inspection was carried out when most of the works had already been completed, limiting the direct observation of certain construction solutions. COLUNA undertook an integrated review of the visible conditions, the information provided and the overall outcome of the refurbishment, identifying the matters requiring further assessment or corrective action.
The matters observed had different implications for the quality, operation and future use of the residence. The assessment distinguished finishing issues from matters with greater functional significance, ensuring that items of different nature and complexity were assigned appropriate levels of priority.
COLUNA structured its recommendations according to the impact of the matters identified, the complexity of their remediation and their potential interference with the use of the property. This approach established a clearer sequence of action and supported coordination between the different teams involved in the rectification works.
The service extended beyond identifying matters requiring correction. The assessment was converted into a structured basis for decision-making, supporting the client in managing the final stage of the intervention, defining priorities and confirming the actions required to achieve technical close-out.

Services provided

As part of Technical Due Diligence, COLUNA carried out the technical inspection of the property through site visits, photographic records, complementary measurements and analysis of the documentation provided by the client. The work covered the interior areas, the roof and the external area with swimming pool, allowing the team to identify non-conformities, understand their likely causes and define a prioritised correction strategy. The report also clarified that, beyond the defects observed, no missing works or equipment were identified when compared against the budget reviewed. Outcome: an objective technical basis for project close-out, with a clear hierarchy of required corrections and stronger support for client decision-making during the final stage of the works.

Results /
Impact for the Client

  • Structured identification of non-conformities across the house, roof and exterior
  • Clear distinction between aesthetic, functional and technically more demanding issues
  • Prioritisation of corrective works with greater impact on the use and performance of the property
  • Better preparation of the client for the rectification and technical close-out phase
  • Confirmation that no missing works or equipment were identified against the budget reviewed
  • Absence of urgent safety issues, allowing for a phased and controlled correction approach

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