› Commercial Roof Survey
Commercial Roof Survey
Survey undertaken by Lee Cunningham in a previous professional role. Client details have been removed for confidentiality.
North East England, UK
Property Type: Commercial Facility
PROJECT OVERVIEW
We carried out a comprehensive drone-assisted roof survey of a commercial property to assess the condition of the roof coverings, drainage systems and associated features.
High-resolution aerial imagery allowed for a safe, efficient inspection without disrupting business operations or requiring working at height access equipment.
PROPERTY TYPE
Commercial Facility
ROOF AREA
Approx. 2,500 m²
INSPECTION METHOD
Drone Survey
SURVEY DATE
June 2025
WEATHER CONDITIONS
Clear Skies
REPORT DELIVERED
Within 72 Hours
INSPECTION SCOPE
Roof coverings
Rooflights
Gutters & outlets
Flashings
Roof penetrations
Plant equipment
Parapets
Rainwater goods
Safe access assessment
Roof access systems and walkways
RISK SUMMARY
Risk Category
Rating
Water Ingress Risk
MEDIUM
Structural Integrity
LOW
Maintenance Priority
LOW
Immediate Safety Risk
MEDIUM
Overall Roof Condition
FAIR
514
Images Captured
30
Roof Elements Inspected
11
Findings Identified
10
Recommendations Made
CHALLENGES ENCOUNTERED
Large roof area with multiple elevations and roof coverings.
Limited access to certain areas from ground level.
Presence of rooftop plant and service equipment.
Requirement to minimise disruption to daily business operations.
KEY FINDINGS
Localised deterioration identified to roof membrane sections.
MEDIUM
Debris accumulation observed within gutters and drainage outlets.
LOW
Minor defects identified around roof penetrations and flashings.
HIGH
General weathering consistent with the age of the building.
MEDIUM
RECOMMENDATIONS
Repair damaged roof membrane sections.
Clear gutters and drainage outlets to improve water flow.
Inspect and repair roof penetrations where required.
Undertake routine maintenance inspections annually.
SURVEY GALLERY
High-resolution aerial images captured during the inspection. Client-sensitive information has been removed where appropriate.
EQUIPMENT USED
DJI MAVIC 3 PRO
48MP Camera
Optical Zoom
GPS Positioning
Orthomosaic Mapping
Roof Condition Assessment
WHY CHOOSE CRS
CAA Registered Drone Operator
Qualified Building Surveyor
Fully Insured
Detailed Digital Reports
ANNOTATED FINDING EXAMPLE
This annotated image from the survey
highlights typical issues identified:
Slipped or broken roof sheets
Cut Edge Corrosion / Delamination
Moss accumulation in valley gutter
These issues can lead to water ingress if not addressed.
SURVEY OUTCOME
Overall, the roof is in fair condition with some localised defects that should be addressed.
Overall Condition
Immediate Risk
Water Ingress Risk
Structural Risk
Recommended Action
Fair
Low
Medium
Low
Maintenance & Minor Repairs
SURVEY CONCLUSION
Overall Assessment:
The inspection identified several maintenance items together with localised defects requiring planned remedial work.
No immediate structural concerns were observed during the inspection; however, repairs to damaged roof sheets, flashings and guttering are recommended to maintain the building's weatherproof performance.
Priority Actions:
✓ Repair damaged roof sheets
✓ Clear gutters and outlets
✓ Replace defective flashings
✓ Reinspect within 12 months
Commercial Roof Survey Report
See exactly what you'll receive. Our detailed reports include high-resolution photographs, findings, risk assessments and clear recommendations.
Detailed findings and condition assessments
Annotated photographs
Repair recommendations and priorities
Easy to understand format
Delivered digitally
12 Page Sample Report (3.2 MB)