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Evidence from the same scene

Before & After Cleaning Gallery

A useful before-and-after comparison shows the same property, framing and surface at two stages of the process. Different buildings or unrelated stock images are not credible evidence of one transformation.

Expert guidanceReviewed for London propertiesUpdated 2026
Clean London residential window shown after professional washing

How comparisons should be made

The camera position, crop and lighting should remain as consistent as practical. Labels identify before and after without covering the area customers need to inspect.

The gallery separates cleaning improvement from repairs, replacement or digital alteration.

What a photograph can prove

A matched pair can show removal of loose film, algae or surface grime. It cannot prove long-term performance, hidden drainage condition or the repair of failed seals.

Captions should identify the service and surface rather than invent a customer name or location.

Privacy and permission

Residential addresses, number plates and identifiable occupants require care. Project imagery should be used with appropriate permission and without revealing unnecessary personal information.

AI-created design imagery is not labelled as a completed customer project.

Building a verified gallery

Future projects can be added as Gutenberg image pairs with service, date and a concise scope. The same-scene rule keeps the collection useful as it grows.

Customers can ask what result is realistic for their own glass, gutter, conservatory or patio.

Quick comparison

Evidence ruleGood practiceAvoid
Same sceneMatch camera and cropDifferent properties
Clear labelBefore and afterAmbiguous order
Honest scopeState cleaned surfaceImply repairs
PermissionProtect privacyExpose addresses

Practical points to remember

  • Use the same surface and viewpoint.
  • Do not substitute unrelated stock imagery.
  • Separate cleaning from restoration or repair.
  • Protect customer privacy and obtain permission.

Frequently asked questions

Questions about Before & After Cleaning Gallery

Are the before and after views the same scene?

They should be for a valid comparison.

Can images prove scratches were removed?

Not without a specific restoration scope and evidence.

Are all website images customer projects?

No; illustrative service imagery is not presented as a project case study.

Can customer addresses be shown?

Only with appropriate permission and privacy controls.

Can new pairs be added in Gutenberg?

Yes, the gallery is designed to remain editable.

Why does lighting matter?

Large lighting changes can exaggerate the apparent result.

Continue exploring

Need property-specific advice?

Speak with a London window cleaning specialist.

020 3404 9775