A Level 3 Survey (commonly referred to as a RICS Level 3 Survey) provides a comprehensive assessment of a property’s condition. It is the most detailed survey available and is designed to give buyers a thorough understanding of the building, including defects, risks and repair considerations.
A level 3 home survey is particularly suited to older, larger or more complex properties, where a more in-depth inspection is required before purchase.
A Level 3 Survey is a detailed inspection carried out in accordance with RICS guidance. A RICS Level 3 Survey provides an in-depth analysis of a property’s condition, identifying both visible and potential hidden defects, along with advice on repairs and maintenance.
It is designed to support informed decision-making, particularly where a property may require renovation, alteration or ongoing maintenance.
When Do You Need a Level 3 Survey?
A level 3 building survey is typically recommended for:
Older properties, particularly those built before 1900
Listed buildings or properties in conservation areas
Homes with unusual or non-standard construction
Properties that have been significantly altered or extended
Buildings in poor condition or showing signs of defects
Purchases where renovation or structural work is planned
In these situations, a RICS Level 3 Survey provides the level of detail needed to fully understand the risks involved.
A Level 3 Survey involves a comprehensive visual inspection of the property, focusing on both structure and condition.
Extensive Inspection
The survey will typically cover:
Roof coverings, chimneys and roof structure
External walls, finishes and pointing
Floors, ceilings and internal walls
Windows, doors and joinery
Cellars, loft spaces and sub-floor areas (where accessible)
Permanent outbuildings and external features
Where appropriate, surveyors may use equipment such as an aerial drone, damp meters, binoculars or drone technology to inspect difficult-to-access areas.
Detailed Advice on Condition and Defects
Your RICS Level 3 Survey will provide:
Identification of both major and minor defects
Explanation of likely causes where visible
Assessment of potential risks and future issues
Guidance on repair priorities and maintenance requirements
Where necessary, further specialist investigations will be recommended.
Repair Advice and Considerations
A key benefit of a level 3 building survey is the level of practical advice provided.
A level 3 house survey checklist typically includes:
Roof structure and coverings
External walls and structural movement
Dampness and timber condition
Floors, ceilings and internal walls
Chimneys, drainage and rainwater goods
Windows and doors
Loft spaces and sub-floor areas
Outbuildings and permanent external structures
General condition, risks and repair priorities
Condition Ratings and Reporting
Your Level 3 Survey will be presented in a clear and structured format, supported by professional commentary.
Findings are explained in plain English.
Condition ratings are used where appropriate to highlight urgency.
Annotated photographs help illustrate key issues.
Guidance is provided on necessary repairs and ongoing maintenance.
We use the RICS traffic light system to rate each part of the property:
1. Green (1) – No major works are required 2. Amber (2) – Works are required, but the extent is not considered urgent at this stage 3. Red (3) – Works are urgently required/ further investigations may be necessary
NI - Not inspected (usually due to inaccessibility)
What is the Level 3 Building Survey Cost & Timescale?
Book Your Level 3 Survey with Cornerstone Surveyors
Make your property purchase with confidence, supported by clear and detailed advice from experienced surveyors.
Whether you are ready to proceed or would like guidance on the most suitable survey, our team is available to assist.
Get an instant online quote for your Level 3 Survey
Speak directly with a qualified surveyor
Book your RICS Level 3 Survey at a time that suits you
As trusted building surveyors in Gloucestershire, we provide a professional and reliable service, delivering detailed reporting to support informed decision-making.
Company Number: 15278207 Registered Address: C/O Ashford House, Dixons Green Road, Dudley, West Midlands, England, DY2 7DJ
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