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Ask for an inspection report that separates observation from diagnosis

Specify the area, evidence and limits of a property inspection before treating a collection of photographs as a repair plan.

MichaelT editorial23 October 2026

Describe the question and the accessible scope

Write what you want the inspection to clarify and which area it concerns. Ask the provider to define the agreed method, access arrangements, competence and exclusions. Do not enter an unsafe area, climb a roof or disturb a material to complete this worksheet. A roof image, drain-camera recording and building survey have different scopes; a generic service name cannot establish that all of them are included.

Give evidence a location and an identifier

Ask for each observation to be linked to a photograph, clip or report reference and an identifiable area. If a clip is supplied, a time reference can help distinguish one observation from another. Keep observed condition separate from a proposed cause, a repair recommendation and a cost. A wet mark might be visible; its source may require further investigation. Neither an attractive photograph nor confident wording resolves that difference.

Read the limits as part of the result

Record areas not seen, unsuitable viewing conditions and the provider’s stated limitations. An inaccessible section should remain unknown. Ask which additional investigation, if any, is recommended and who is competent to interpret it. Do not translate no visible defect in the observed area into whole-building structural safety, no asbestos, no mould or a guarantee against future leaks.

Connect the next decision to the actual report

When a quote follows, match each proposed work item to the relevant observation or assessment. Ask about unexplained work and separate investigation from repair. Retain the report version and date with the quote so a later decision is not based on an older image. Completion, certification and any agreed follow-up observation need their own evidence; they are not implied by paying for the inspection.

Visible does not mean complete: Photo P3 records a mark in area R. An unobserved rear area stays unknown. The observed mark is not a diagnosis of its cause or proof of a completed repair.
Original MichaelT explanatory drawing. Photo P3 records a mark in area R. An unobserved rear area stays unknown. The observed mark is not a diagnosis of its cause or proof of a completed repair. Open full-size drawing ↗
Read the drawing as text

Photo P3 records a mark in area R. An unobserved rear area stays unknown. The observed mark is not a diagnosis of its cause or proof of a completed repair.

Work through an example

In a fictional roof report, photo P3 shows a mark beside area R. The report says the rear section was not visible from the agreed position. The owner records the mark as an observation, leaves its cause open and asks what further assessment would answer that question. A separate repair quote cannot close the unseen-area row merely by describing the roof as restored.

Illustrative example; figures, people and organisations in the worked record are fictional.

The example record

  • Observation

    Illustrative entry
    P3 / mark near area R
    What it does not establish
    Cause of the mark
  • Extent

    Illustrative entry
    Agreed visible section
    What it does not establish
    Whole roof condition
  • Limit

    Illustrative entry
    Rear area not observed
    What it does not establish
    No defect in rear area
  • Next step

    Illustrative entry
    Ask about further assessment
    What it does not establish
    Completed repair

Download blank worksheet (.csv) ↗Download worked example (.csv) ↗

Keep your own record

Use the result within its scope

This is a report-reading method, not an inspection or remediation procedure. Actual access, diagnosis, testing and work require the appropriate competent assessment. Keep the scope narrower than the conclusions the evidence can support.

Earlier articles on this subject

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