Summary
A building surveyor assesses many aspects of a property, whereas a specialist roof surveyor focuses exclusively on roofs. The two approaches serve different purposes and are not mutually exclusive — many homebuyers use both. Understanding the scope, depth and limitations of each helps you make an informed decision before purchasing a property or commissioning an inspection.
What Does a RICS Building Surveyor Do?
A surveyor regulated by the Royal Institution of Chartered Surveyors (RICS) is qualified to assess a wide range of property types and conditions. Depending on the survey level commissioned, a RICS surveyor will examine:
- Structural elements including walls, floors and roof structure
- External condition including cladding, windows, doors and drainage
- Internal condition including ceilings, walls and floors
- Evidence of damp, subsidence or movement
- Services such as heating, plumbing and electrics (to a visual level)
- Roof covering condition as part of the overall external assessment
The RICS Level 2 HomeBuyers Survey and the Level 3 Building Survey both include a visual assessment of the roof. However, neither is a specialist roof inspection. The surveyor assesses the roof as one element among many, not as the sole subject of the inspection.
What Does a Specialist Roof Surveyor Do?
A specialist roof surveyor focuses exclusively on the roof and closely related elements. At UK Roof Surveys, a standard inspection covers:
- Roof covering — condition, materials, fixings, age and life expectancy
- Flashings — lead, aluminium or felt, including all junctions and abutments
- Gutters, downpipes and rainwater disposal systems
- Fascias, soffits and barge boards
- Chimney stacks, chimney pots and pointing
- Loft space — structure, insulation, ventilation, moisture and evidence of leaks
- Flat roof areas — covering type, drainage, lap and edge details
- Damp detection using specialist moisture meters
- Drone or elevated photography where required
The result is a written report with photographs, risk ratings for each element inspected, and estimated costs for any remedial work identified. The report is independent — UK Roof Surveys does not carry out repairs, so there is no conflict of interest.
Depth of Roof Inspection: A Practical Comparison
RICS Level 2 Survey (HomeBuyers Survey)
The RICS Level 2 format is a standardised visual survey of the property as a whole. The surveyor assesses the roof externally from ground level or a boundary vantage point unless safe access is available. The report uses a traffic light rating system (Condition Ratings 1, 2, 3) to indicate urgency of attention required.
This approach is useful for identifying obvious concerns but is not designed to provide detailed roof assessment. If the surveyor notes a concern about the roof — which many Level 2 reports do — they will typically recommend further specialist investigation. That recommendation is where a specialist roof survey becomes relevant.
RICS Level 3 Survey (Building Survey)
The Level 3 Building Survey is a more thorough inspection and is recommended for older, larger or unusual properties. It includes more detail on defects and their likely causes. The surveyor may access the roof void internally if safe and practical to do so.
Even so, the Level 3 survey remains a broad assessment of the whole building. The time spent on the roof element is proportionate to the overall inspection, not dedicated exclusively to it.
Specialist Roof Survey
A specialist roof survey dedicates the entire inspection to the roof. The surveyor brings targeted expertise in roofing materials, construction methods and defect patterns. They will use drones, binoculars, moisture meters and loft access as required. Every component is assessed individually and in context.
The report produced is far more detailed than the roof section of any RICS survey. It names specific defects, provides photographic evidence, and gives realistic cost estimates for remediation.
Expert Commentary
"We regularly receive instructions from homebuyers where the RICS surveyor has flagged roof concerns and recommended specialist investigation. In many cases, we find issues that could not have been visible from a general survey — early-stage timber rot in the loft, hidden lead flashing failures, or inadequate ventilation causing condensation. The RICS surveyor has done exactly their job by flagging a concern and referring on. The specialist survey answers the specific question the general survey cannot."
Are They Alternatives or Complements?
They are complements, not alternatives. Most homebuyers will benefit from both. The RICS survey provides an overview of the property as a whole, whilst a specialist roof survey provides the depth of investigation needed to understand one of the most significant and costly elements of the building.
The roof is typically one of the most expensive items to repair or replace on any residential property. A specialist survey costing a few hundred pounds can identify tens of thousands of pounds of necessary work — or provide genuine reassurance that the roof is in good order.
When to Choose a Specialist Roof Survey
- When buying a property: Particularly if the property is older than 20–30 years, has a complex roof form, or if the general survey has flagged concerns.
- After suspected or confirmed water ingress: To identify the source and extent of damage accurately.
- Following recent roofing work: To verify that work has been completed correctly and to document the post-installation condition. See also: Can a Roofer Inspect Their Own Work?
- When purchasing a flat or apartment: Where the roof is shared with other leaseholders and may require significant expenditure via service charges.
- For insurance purposes: Where an insurer requires a condition report following storm damage or a claim.
Regulation and Credentials
RICS membership is a recognised mark of professional competence and is backed by a regulatory framework including continuing professional development requirements, disciplinary procedures and mandatory professional indemnity insurance.
Not all specialist roof surveyors are RICS members. When selecting a specialist roof surveyor, look for:
- Membership of a recognised scheme such as the Roofing Protection Scheme (RPS)
- Adequate professional indemnity insurance — UK Roof Surveys carries £20,000 PI cover
- A track record of completed surveys with verifiable reviews
- Clear independence from roofing repair contractors
Frequently Asked Questions
Can a RICS surveyor inspect a roof?
Yes. RICS surveyors routinely assess roofs as part of wider property surveys. The level of detail in the roof assessment depends on the survey type commissioned. A Level 3 Building Survey includes more roof detail than a Level 2 HomeBuyers Survey.
Do I need both a RICS survey and a specialist roof survey?
For most homebuyers, both surveys are worthwhile. The RICS survey covers the whole property; the specialist survey provides the detailed roof analysis the general survey cannot. Many buyers arrange the RICS survey first, then commission a roof survey if concerns are flagged — or commission both simultaneously to save time.
Is a specialist roof survey acceptable for a mortgage lender?
Mortgage lenders require a valuation, not a condition survey. A specialist roof survey is not a valuation report and will not satisfy a lender's valuation requirement. However, lenders may ask for a specialist report if a valuation raises roof concerns. Check with your mortgage broker or lender directly.
How long does a specialist roof survey take?
Most residential roof surveys take between one and three hours on site, depending on the complexity of the roof and the size of the property. The written report is typically delivered within 48 hours of the inspection.