LEVEL 3 BUILDING SURVEY

A Level 3 Building Survey is the most comprehensive type of property survey, designed to provide a thorough understanding of a property before you make a purchase. This survey is particularly suited for older, larger, altered, extended, or more complex homes, as well as properties in poor condition. It offers an in-depth assessment of the building’s construction, condition, and any defects that may require attention, together with their likely causes and practical implications.
Carried out in accordance with the Royal Institution of Chartered Surveyors Home Survey Standard, a Level 3 Survey provides a detailed inspection of the property both inside and outside, where reasonably accessible. The surveyor will identify visible defects, highlight areas of concern, comment on the condition of major elements and services, and advise on necessary repairs, ongoing maintenance, and, where appropriate, potential further investigations.
Our detailed yet easy-to-understand reports explain the significance of any identified issues, outline repair and maintenance priorities, and help you negotiate confidently while minimising the risk of unexpected repair costs after you move in. Each survey is tailored to the specific property and includes photographs, clear explanations, and colour-coded condition ratings to help you quickly understand the findings.
Where safe and legally permitted, inspections may utilise specialised equipment, such as drones and ladders, to thoroughly assess hard-to-reach areas. This approach provides a comprehensive evaluation, giving you the clarity and confidence needed to make well-informed property decisions with peace of mind.
The table below provides a visual comparison of the different inspection levels, helping you identify key differences between the survey types.
HOME SURVEY COMPARISON TABLE | LEVEL 2 | LEVEL 3 |
|---|---|---|
INSPECTION: | ||
Comprehensive pre-inspection research of environmental data and other matters to assess risks, structural history, and legal constraints | ✔ | ✔ |
Full and thorough non-invasive inspection of all accessible parts of the property | ✔ | ✔ |
Provision of appropriate tools and equipment that will enable thorough inspection (includes damp meter, binoculars, ladder, and drone technology where safe and legally permitted) | ✔ | ✔ |
Assessment of visible drainage issues (no underground drain testing included) | ✔ | ✔ |
Inspection of permanent outbuildings and garages | ✔ | ✔ Detailed |
Assessment of structural movement/subsidence indicators | ✔ | ✔ Detailed |
Assessment of alterations/extensions | ✔ | ✔ Detailed |
Roof space/loft inspection (where accessible) | ✔ | ✔ Detailed |
REPORT: | ||
A summary of overall professional opinion in a brief, simple and clear format | ✔ | ✔ |
Informs you of the key environmental factors affecting the property | ✔ | ✔ |
Provides advice to your legal representative to action before your commitment to purchase | ✔ | ✔ |
Aims to identify any harmful materials and other risks to health and safety. E.g. suspected asbestos-containing materials, lead pipes, unsafe electrics, trip hazards, etc | ✔ | ✔ |
Aims to identify issues that require further investigation or specialist advice, where appropriate | ✔ | ✔ |
Aims to identify the construction and condition of the property on the date of inspection | ✔ Basic | ✔ Detailed |
Assigns clear traffic-light condition ratings to relevant report sections | ✔ | ✔ |
Aims to inform you of likely ongoing maintenance requirements | ✔ Basic | ✔ Detailed |
Includes site-specific photographs to help place identified issues into context | ✔ Basic | ✔ Detailed |
Aims to describe visible defects, suggests the most probable causes, explains the likely consequences if left unaddressed, and outlines possible remedial actions | ✔ Basic | ✔ Detailed |
Aims to identify elements that may result in more frequent and/or more costly maintenance and repairs than would normally be expected | ✔ Basic | ✔ Detailed |
Provides specific comments on energy efficiency | ✔ Basic | ✔ Detailed |
Buildings Insurance Reinstatement Cost Assessment (additional optional service) | ✔ Available | ✔ Available |
BEST SUITED FOR | ||
Modern/conventional property in reasonable condition | ✔ Ideal | ✔ Suitable |
Older property (Victorian/Edwardian or earlier) | ✔ Possible | ✔ Suitable |
Listed buildings or unusual construction | ✔ Not Ideal | ✔ Suitable |
Property needing renovation | ✔ Not Ideal | ✔ Suitable |
Heavily altered or extended homes | ✔ Not Ideal | ✔ Suitable |
Frequently Asked Questions
About Level 3 Building Survey
Do you use drones during a Level 3 Building Survey?
Absolutely, where appropriate. Our aim is always to obtain the best possible view of the property within the scope and limitations of the survey. We are legally permitted to use drone photography, subject to suitable weather conditions, site circumstances and safe operation.
Where practical, we use drone photography to enhance our understanding of the roof structure and other high-level elements of the property, such as chimneys, extensions and roof coverings. This can provide additional visual information that isn't readily obtainable from ground level.
Will a Level 3 survey identify defects that a Level 2 survey might miss?
A Level 3 survey involves a more detailed inspection and assessment, so it is better suited to identifying and explaining defects in older, altered or more complex properties.
It considers not only visible defects but also the construction of the building, the likely implications of defects, maintenance requirements and potential repair considerations. It can therefore provide a more detailed picture of the risks associated with the property before you commit to the purchase.
No non-invasive survey can identify defects that are completely concealed or inaccessible, but a Level 3 survey is designed to investigate the property more thoroughly within the limitations of a non-invasive inspection.
Is a Level 3 Building Survey worth it for an older property?
For many older or period properties, the extra detail in a Level 3 survey can be particularly valuable.
The age, construction, alterations and condition of an older property can introduce risks that are less likely to be encountered in a modern, conventional home. A Level 3 survey can help you understand the condition of the property, identify significant defects and plan for repairs and future maintenance.
This can be especially relevant where you are buying a Victorian, Edwardian or other period property, a property with extensions or alterations, or a home showing signs of damp, cracking or other defects.
Is a Level 3 Building Survey suitable for a Victorian house?
Absolutely. A Level 3 Building Survey is often the most appropriate survey for a Victorian or other period property, particularly where the building has been altered, extended, poorly maintained or has features associated with traditional construction.
Older properties can have more complex construction, materials and defects than modern homes. A Level 3 survey provides a more detailed inspection of the building, including its construction, condition, roof structure, floors, external areas and visible signs of movement, damp and deterioration.
For Victorian houses in North West London, a Level 3 survey can be particularly useful where there are extensions, bay windows, loft conversions, altered chimney breasts, previous repairs or other modifications that require closer consideration.
Is a Level 3 Building Survey suitable for a listed building?
It can be, but a Level 3 Building Survey does not replace specialist advice for a listed or particularly sensitive historic property.
The survey provides a detailed assessment of the visible condition and construction of the property and can identify defects, inappropriate alterations, deterioration and areas where further investigation may be required. Where the property has significant heritage features, unusual construction or specialist conservation requirements, further advice from an appropriately qualified conservation or historic-building specialist would be more appropriate.
If you are considering buying a listed building, it is important to discuss any particular concerns or proposed works with your surveyor before the inspection.
What is the difference between a Level 2 and Level 3 survey?
A Level 2 Home Survey is generally intended for conventional properties that are relatively straightforward in construction and in reasonable condition.
A Level 3 Building Survey is more detailed and is particularly appropriate for older, larger, altered, unusual or more complex properties. It provides greater consideration of the building's construction, materials, defects, deterioration, maintenance requirements and potential repair options.
For example, a Level 3 survey provides a more thorough inspection of accessible roof spaces, floors, grounds and other parts of the building. It can also provide a more detailed explanation of defects and their likely implications.
If you are buying a Victorian house, period property, substantially extended property or a home with obvious defects or alterations, a Level 3 survey is often the more appropriate choice.
Does a Level 3 Building Survey include a structural survey?
A Level 3 Building Survey provides a detailed assessment of the visible condition of the building and considers signs of structural movement and other defects that may affect the building.
However, it is not a structural engineer's report and does not include structural calculations, opening-up works or a detailed assessment of concealed structural elements that cannot be inspected during a normal survey.
Where significant structural movement or another potentially serious structural defect is identified, the report will explain the concern and may recommend further investigation by an appropriately qualified structural engineer or other specialist.
Does a Level 3 Building Survey identify subsidence?
A Level 3 Building Survey can identify visible signs that may indicate subsidence or other forms of structural movement, such as cracking, distortion, sloping floors, movement around openings or changes in the building's structure.
However, a survey cannot normally confirm the cause of movement from a single visual inspection. Similar symptoms can result from several causes, including seasonal movement, thermal movement, historic settlement, defective drainage, foundation movement or changes to the surrounding ground conditions.
Where cracking or movement gives cause for concern, the report will explain the findings and advise whether further investigation is recommended.
Does the survey include damp testing?
Certainly. As part of a Level 3 Building Survey, appropriate areas of the property are inspected for visible signs of damp and moisture-related deterioration, and moisture readings may be taken where appropriate.
The inspection considers the likely source and significance of moisture where this can reasonably be established. This is particularly important in older and traditionally constructed buildings, where moisture can behave differently from modern construction.
The survey is not, however, a specialist damp and timber survey. Where the evidence indicates that further specialist investigation is necessary, this will be identified in the report.
Will the surveyor inspect the roof?
Absolutely. The roof is an important part of a Level 3 Building Survey.
The survey includes an inspection of the external roof coverings and associated features from accessible positions, using appropriate equipment such as a drone/binoculars where necessary. Where safe and reasonably accessible, the roof space is also entered and inspected in greater detail, including the visible roof structure and areas vulnerable to deterioration or damage.
The inspection is subject to safe access and the property's physical limitations. Roof coverings or other inaccessible areas are not dismantled, and concealed defects cannot be ruled out where they cannot be seen.
Does a Level 3 survey include advice on repairs and maintenance?
Yes. One advantage of a Level 3 Building Survey is the greater detail it provides on defects, repairs and ongoing maintenance.
Where appropriate, the report explains the nature and significance of identified defects, the work that may be required and the likely priority or timescale for addressing them. It can also highlight matters that may require further investigation by a specialist.
The purpose is to help you understand the property's condition and make an informed decision about your purchase and future maintenance requirements.
Can I speak to the surveyor after receiving my report?
Absolutely. You'll speak directly with the surveyor who inspected the property, not a customer-service team. At MaxConsult, you have direct access to the surveyor who carried out your inspection. If anything in the report is unclear, or you'd like to discuss the findings or a particular defect, please don't hesitate to call — we actively encourage it.

