Renovation carries greater uncertainty because some conditions emerge only after opening up. The scope should separate measured work from investigation, allowances, provisional sums and change procedures.
How to assess this decision in practice
The initial survey should separate visible conditions, inaccessible areas and assumptions testable only after opening up. Photographs, measurements, room codes and asset lists preserve the baseline as conditions change.
Set a concealed-condition procedure before tender: who opens, who inspects, how the area is secured, which records are made, when pricing is submitted and who approves before additional work proceeds.
What to check
Use this list as a starting point. The depth of review should still match the project stage, decision value, documents and risks.
- Record baseline conditions, operating areas, protected assets and access limits.
- Separate investigation, demolition, waste, temporary work and substrate repair.
- Coordinate structure, waterproofing, MEP, finishes, built-ins, furniture and landscape.
- Define allowances and the process for opening, assessing, pricing and approving concealed conditions.
- Set mock-ups, inspections, testing, cleaning, defects, final records and phased handover.
Turn the review into a recorded decision
- Set the baseline: documents, conditions, dates, parties, reviewed areas and access limitations.
- Separate observed facts, third-party statements, assumptions, risks and professional opinions.
- For each issue, define the required decision, authority, action owner, target and closure evidence.
- Retain document versions and approvals so later changes can be compared against the correct basis.
Questions before deciding
A useful answer should be traceable to documents, site conditions, a responsible party or a clearly stated assumption boundary.
- Which conditions cannot be measured before opening up?
- How will the villa remain safe and operational during work?
- Who approves changes before cost and time increase?
How to document the outcome
Record information sources, review dates, documents read, people interviewed, inaccessible conditions, key findings, decisions, owners and follow-up deadlines. Separate facts, third-party statements, assumptions and recommendations.
For legal, structural, geotechnical, tax, permitting, land, design or specialist-testing decisions, use appropriately authorised and qualified professionals.
This article is general educational guidance. Project, contract, land, building and legal conditions vary and may require a specific review.
