RICS Level 2 vs Level 3 Survey: Which One Do You Actually Need?

Most buyers know they should get a survey. Far fewer know which survey is right for the property they’re buying. It’s one of the most common questions we hear at Somerset & Sinclair, and it’s a genuinely important one. Get it wrong and you either pay for more than you need, or you walk into a purchase without the level of detail that would have protected you.

The RICS Level 2 and Level 3 surveys are both professional, thorough assessments carried out by qualified chartered surveyors. They’re not a choice between good and basic. The difference comes down to the depth of analysis, the type of property, and what you as a buyer need to know before exchange. This guide works through those differences properly so you can make an informed decision.

If you’d rather talk it through directly, our team is available Monday to Saturday and happy to advise on the right survey for your specific property before you commit to anything.

What Is a RICS Level 2 Survey?

The RICS Level 2 survey, previously known as the HomeBuyer Report or homebuyers report, is the most widely commissioned residential survey in England and Wales. It’s a structured, standardised assessment that gives buyers a clear picture of a property’s visible condition.

The surveyor inspects all accessible and visible parts of the property, indoors and out. Every element is rated using a traffic light system. A condition rating of one means no significant issues. Two means the item requires attention or monitoring. Three flags serious defects needing urgent investigation or repair. The report also highlights risks and recommends where specialist investigation is needed.

What the Level 2 Survey Covers

The inspection covers the main structural and internal elements of the property, including:

  • Roof structure and covering, where accessible
  • External walls, chimneys, windows, and doors
  • Internal walls, ceilings, and floors
  • Roof space, where safe and reasonable access exists
  • Signs of damp, condensation, or water ingress
  • Structural movement and settlement
  • Drainage and services, where visible

It does not include a detailed investigation of concealed or inaccessible areas, and it does not involve lifting floorboards, removing panels, or testing electrical and gas installations beyond noting visible concerns.

Who Is a Level 2 Survey Right For?

Level 2 survey is appropriate for most conventional properties in reasonable condition. That includes purpose-built flats, modern houses, and standard brick-built period properties where there are no obvious signs of significant deterioration. If the property appears well-maintained and you have no particular reason to suspect hidden defects, a Level 2 survey will give you the professional assessment you need.

What Is a RICS Level 3 Survey?

The RICS Level 3 survey, also known as the Building Survey, goes considerably further in its analytical depth. It’s a more detailed, technical inspection that examines not just what is visible but what lies behind it. The surveyor assesses how defects have developed, what is likely causing them, and what remediation might involve.

Unlike the Level 2, the Level 3 report is not a standardised template. It’s tailored to the specific property, and the surveyor has greater latitude to describe defects in detail, provide repair recommendations, and comment on construction methods and materials. It tends to be a longer document, and for good reason.

What the Level 3 Survey Covers

In addition to everything covered in a Level 2, a Level 3 Building Survey includes:

  • A more detailed assessment of structural elements and construction methods
  • Comment on concealed defects, with the surveyor giving an opinion on what is likely behind surfaces where investigation is not possible
  • Detailed repair and maintenance recommendations, including likely timescales and urgency
  • More granular analysis of defects, including probable causes and consequences if left unaddressed
  • Greater commentary on non-standard construction, alterations, and extensions

It’s worth noting that even a Level 3 survey is a visual inspection. It does not involve breaking into surfaces, exposing concealed services, or testing drainage under pressure unless specifically agreed in advance.

Who Should Commission a Level 3 Survey?

Level 3 Building Survey is the right choice when the property is older, more complex, or gives you any reason to look more closely. Specifically, you should seriously consider a Level 3 when:

  • The property was built before 1930, particularly if it’s a Victorian or Edwardian house
  • There are visible signs of structural movement, cracking, or significant damp
  • The property is of non-standard construction, such as timber frame, steel frame, or concrete
  • The property has been significantly extended or altered
  • You’re planning major renovation work and need to understand the structure fully
  • The property is a large or unusual building where a standardised report format wouldn’t capture the detail needed

The Key Differences Side by Side

It helps to see these two surveys compared directly, because the distinction isn’t always obvious from the names alone.

Depth of inspection: Both surveys cover the accessible and visible elements of a property. The Level 3 goes further in its analysis of what those elements tell us, including probable causes of defects and what remediation would involve.

Report format: The Level 2 uses a standardised structure and condition ratings. The Level 3 is tailored to the property and written in greater narrative detail.

Repair advice: The Level 2 flags issues and recommends further investigation. The Level 3 provides more specific repair recommendations and maintenance guidance.

Suitability: The Level 2 is suited to conventional properties in reasonable condition. The Level 3 is suited to older, larger, or more complex properties, or any property where there’s a reason for closer scrutiny.

Cost: A Level 3 survey costs more, reflecting the additional time on site and the more detailed report. The difference in fee is modest relative to the cost of discovering a structural problem after completion.

Both surveys are carried out by MRICS or FRICS qualified surveyors and produced to the standards set by the Royal Institution of Chartered Surveyors.

The Question We Get Asked Most: Do I Really Need a Level 3?

There’s a version of this question that comes up in almost every enquiry involving an older London property. The buyer has seen the house, loved it, and wants to proceed. They’re wondering if a Level 2 will do, partly because it costs less and partly because they’ve already decided they want to buy.

We understand that position, but here’s the honest answer. The survey isn’t there to talk you out of a purchase. It’s there to make sure you’re going in with accurate information. If a Level 3 is the right survey for the property and you commission a Level 2 instead, you may get a report that tells you less than you needed to know.

London has a significant volume of Victorian and Edwardian terraced housing, large converted flats in period buildings, and properties with substantial extensions added over decades. These are exactly the types of buildings where a Level 3 survey earns its fee. Structural movement, damp in solid walls, failing lintels, chimney stack deterioration, and defective flat roofs are among the issues our surveyors find regularly in older London stock. Some of these are expensive to remediate. Knowing about them before exchange gives you options.

MoneyHelper, the UK government’s free financial guidance service, recommends always choosing your survey based on the age and condition of the property rather than the cost of the survey itself. That’s a principle we’d stand behind without hesitation.

What About a RICS Valuation? Is That Separate?

Yes, and the distinction matters. A RICS valuation is a formal assessment of a property’s market value, carried out by a RICS Registered Valuer to the RICS Red Book global standards. It answers the question of what the property is worth. A survey answers the question of what condition it’s in.

Some Level 2 reports can include a market valuation and a reinstatement cost figure for insurance purposes, if this has been agreed and the surveyor holds the relevant registration. This is not the same as a standalone Red Book valuation, which is a separate, formal document used for specific purposes such as probate, Help to Buy, lease extension, capital gains tax, or matrimonial proceedings.

If you need a formal RICS Red Book valuation, this should be commissioned separately from your survey, and carried out by a RICS Registered Valuer.

Making the Decision: A Simple Way to Think About It

If you’re still unsure which survey is right for you, run through these questions before you book.

Is the property a conventional brick-built house or flat, built in the last 40 or so years, in what appears to be reasonable condition? A Level 2 survey is likely appropriate.

Is the property Victorian, Edwardian, or earlier? Is it a converted building, a large period house, or anything with non-standard construction? Has it had significant extensions or alterations? Are there any visible cracks, signs of damp, or anything else that gave you pause on the viewing? A Level 3 Building Survey is almost certainly the better choice.

Are you planning substantial renovation, structural alterations, or conversion work after purchase? A Level 3 will give you the structural and construction context to plan those works properly.

When in doubt, call us. We’d rather spend ten minutes on the phone helping you choose the right survey than have you commission the wrong one.

Why Somerset & Sinclair

Somerset & Sinclair is a RICS-regulated chartered surveying and property valuation firm based in Covent Garden, London. Our surveyors hold MRICS and FRICS membership and carry more than 25 years of combined experience across residential and commercial property in London and the Home Counties.

We carry out both RICS Level 2 and Level 3 surveys across Greater London, Surrey, Berkshire, Hertfordshire, and Buckinghamshire. Every report is produced by a qualified professional, not a volume operation, and every instruction gets the attention it deserves.

To discuss which survey is right for your property, call us on 020 4587 3343, email info@somersetsinclair.co.uk, or visit somersetsinclair.co.uk. We’re available Monday to Saturday, 9am to 5:30pm, and Sunday 10:30am to 4:30pm.

Frequently Asked Questions

What is the difference between a RICS Level 2 and Level 3 survey?
A RICS Level 2 survey is a standardised condition assessment suited to conventional properties in reasonable condition. It uses a traffic light rating system and covers all visible and accessible elements of the property. A RICS Level 3 Building Survey goes further in its analytical depth, providing detailed commentary on construction methods, probable causes of defects, and specific repair recommendations. The Level 3 is tailored to the individual property rather than following a standardised format. The choice between them depends on the age, type, and condition of the property.
You should consider a Level 3 Building Survey when the property is older, particularly pre-1930s construction, when there are visible signs of structural movement or significant damp, when the property has been substantially extended or altered, or when it’s built using non-standard materials or methods. If you’re planning major renovation work after purchase, a Level 3 also gives you the structural detail you’ll need to plan those works. When in doubt, speak to a chartered surveyor before booking.
Yes, broadly. The HomeBuyer Report or homebuyers report was the name used under the previous RICS survey framework. In 2021, RICS updated its home survey standards and introduced the RICS Home Survey Level 2 as the replacement. The methodology and purpose are broadly the same. If you see a surveying firm referring to either name, they are describing the same level of residential survey.
Some RICS Level 2 reports can include a market valuation and reinstatement cost estimate where the surveyor is also a RICS Registered Valuer and this has been agreed in advance. This is not the same as a standalone RICS Red Book valuation, which is a separate formal document used for purposes such as probate, Help to Buy, lease extension, or capital gains tax. If you need a formal Red Book valuation, this should be commissioned separately.
A RICS Level 2 survey in London typically starts from around £400 to £500 for a standard one or two-bedroom flat, with fees rising for larger or more complex properties. A Level 3 Building Survey costs more, reflecting the additional time on site and the greater depth of the written report. MoneyHelper, the UK government’s financial guidance service, notes that homebuyer surveys typically range from £400 to £1,500 depending on the property. Always confirm the fee before booking and check that the surveyor is RICS regulated.
A Level 2 survey inspection typically takes between one and a half and three hours on site, depending on the size of the property. A Level 3 Building Survey generally takes longer, often three to four hours or more for a larger or more complex property. The written report follows within a few working days in both cases. At Somerset & Sinclair, we aim to return reports promptly without compromising on the quality of the assessment.
Yes. A mortgage valuation is carried out for the benefit of the lender, not the buyer. Its purpose is to confirm the property represents adequate security for the loan, not to assess its condition in any meaningful detail. It does not protect your interests as a buyer and it is not a substitute for an independent RICS survey. These are two entirely different instructions serving two entirely different purposes.
If a Level 2 or Level 3 survey identifies a serious defect, the surveyor will flag it with a condition rating of three and recommend further specialist investigation. This might involve a structural engineer, a damp specialist, or another trade professional depending on the nature of the issue. You can then use those specialist reports to inform your decision whether to proceed, renegotiate, or withdraw from the purchase.

Yes, and many buyers do. If a RICS Level 2 or Level 3 survey identifies defects or conditions requiring further investigation, you have a formal document produced by a regulated professional to support a renegotiation. This might be a price reduction or a request for the seller to carry out remedial works before exchange. Your solicitor will advise on how to approach the negotiation, but the survey report is your evidence.

In most cases, yes. Victorian terraced houses are among the most common property types in London and also among the most likely to carry structural movement, solid wall damp, failing chimney stacks, and defective flat roof extensions. A Level 3 Building Survey gives you a more detailed picture of these specific risks and what they might cost to address. For a property of this age and type, the additional fee for a Level 3 is generally well justified relative to the value of what you’re buying.
Often yes, but it depends on the property. A Level 2 survey is appropriate for many converted flats and leasehold properties where the structure is conventional and in reasonable condition. Where a property has non-standard features, shows signs of defects, or is in a building that has been substantially altered, a Level 3 may be more appropriate. Contact us with details of the property and we’ll advise which level of survey makes sense before you commit to a booking.

You can book directly by calling 020 4587 3343, emailing info@somersetsinclair.co.uk, or submitting an enquiry through our website at somersetsinclair.co.uk. We’ll confirm availability, discuss the property with you, and advise on the right survey before confirming your fee. Our office hours are Monday to Saturday 9am to 5:30pm and Sunday 10:30am to 4:30pm.