Top Questions Businesses Ask About Commercial Building Surveys.
Every week, the same questions come up about commercial building surveys. Different businesses, different properties, different situations – but the same underlying questions. How much is this going to cost? How long does it take? Do I actually need one, or is someone trying to sell me something I don’t need?
Fair questions, all of them. The problem is that the answers are scattered across a dozen different sources, most of which assume a level of property knowledge that not everyone has. So here they all are in one place – the questions we hear most often, answered plainly and honestly, without the industry performance.
If your question isn’t here, it almost certainly means the situation is specific enough to need a conversation. Get in touch, and we’ll give you a straight answer.
What is a dilapidations report?
A dilapidations report is a formal document prepared by a landlord’s surveyor at or near the end of a commercial lease. It sets out every breach of the repair, redecoration, and reinstatement obligations in the lease – essentially, a list of what the landlord believes the tenant owes for not returning the property in the required condition.
Each item in the report typically carries an estimated cost of remedy. That total figure is the landlord’s opening claim in what is, in most cases, a negotiation. Receiving a dilapidations report does not mean you owe everything in it. It means the conversation has started.
Tenants who instruct their own qualified surveyor to review the report – and prepare a counter-schedule – frequently achieve meaningful reductions from the initial claim. The key is not accepting the document at face value. Under Section 18 of the Landlord and Tenant Act 1927, a landlord’s recovery is also capped at the actual diminution in property value, which often limits what they can realistically claim.
How much does a dilapidation survey cost?
For a standard commercial unit, a dilapidations survey typically costs between £750 and £2,500. Larger or more complex properties – multi-floor offices, industrial units, retail units with significant fit-out – can run higher, particularly where specialist input is required alongside the main survey.
The more relevant question is what a dilapidations survey saves you compared to what it costs. Claims on commercial properties regularly reach into the tens of thousands, and occasionally beyond. A surveyor who reviews the schedule, challenges overstated items, and negotiates on your behalf nearly always recovers more than their fee in the settlement. Context matters here more than the upfront number.
What is a defect survey, and when do I need one?
A defect survey is a targeted investigation into a specific problem – cracking, water ingress, structural movement, dampness, roof failure. Unlike a full building survey, which covers the whole property, a defect survey focuses on a particular issue that has already been identified, to establish its cause, extent, and what needs to happen next.
You’d typically commission one when something concerning has appeared, and you need an expert view before deciding how to respond. It’s also common during disputes, where one party needs independent technical evidence about the cause or severity of a defect. Getting a defect investigated properly and early is almost always less expensive than allowing it to develop further while waiting to see if it resolves itself. Spoiler: it rarely does.
How much does a building surveyor cost?
Fees vary considerably depending on the type of survey, the size and complexity of the property, and the surveyor’s experience. A Schedule of Condition for a standard commercial unit might start from around £500. A focused pre-lease survey runs from £800 to £1,500. A full technical due diligence (TDD) report for a significant acquisition can range from £3,000 to £10,000 or above for larger or more complex properties.
The practical advice: agree the scope and fee in writing before any work begins. A good surveyor will walk you through exactly what’s included, what isn’t, and why the scope is right for your situation. If they won’t do that, find a different surveyor.
How much does a Schedule of Condition cost?
For most standard commercial units, a professionally prepared Schedule of Condition costs between £500 and £2,000, depending on the size and complexity of the property. It is, in the context of what it protects you from, one of the more cost-effective things you can commission before taking on a commercial property lease.
Flip the question around, and it becomes clearer: what would it cost you if you couldn’t prove which defects already existed when you moved in? For most tenants, a disputed dilapidations claim would cost considerably more than the survey that could have prevented it. The maths tends to be straightforward once you run it.
How long does a commercial building survey take?
The physical inspection of a standard commercial unit typically takes two to four hours on-site. Larger properties, or those with complex building services, multiple floors, or significant areas to cover, will require more time – sometimes spread across more than one visit.
The written report usually follows within five to ten working days of the inspection. If specialist input is needed alongside the main survey – a structural engineer’s view on a particular defect, or a mechanical and electrical assessment of ageing systems – that can extend the timeline slightly. A good surveyor flags this upfront so you’re not caught out by an unexpected delay when you need the report to make a decision.
Do I need a survey if the property looks fine?
Yes. Especially then, in fact. The most expensive building defects are rarely the visible ones. Structural movement, water ingress concealed behind cladding, end-of-life mechanical systems, asbestos-containing materials, fire safety compliance gaps – none of these announce themselves on a casual walkthrough.
A property can look clean, well-presented, and perfectly acceptable to the untrained eye while concealing issues that would materially change the decision to proceed, the price negotiated, or the repair liability accepted. A survey isn’t a precaution reserved for buildings that look rough. It’s standard due diligence for any commercial property commitment that matters to your business.
What is the difference between interim and terminal dilapidations?
Interim dilapidations are raised during the lease term, before it ends. If a landlord identifies a breach of the repair covenant mid-tenancy – damage that’s worsening, maintenance that’s being neglected – they can serve an interim schedule requiring the tenant to address those issues while still in occupation. Fixing things in situ is almost always cheaper for the tenant than paying the landlord’s contractor rates later.
Terminal dilapidations are raised at or near lease end and cover the final condition of the property at handback. This is the more significant of the two – the point where the full cost of any unresolved issues gets assessed and negotiated. Understanding the difference matters because the options available to the tenant change significantly depending on which type of schedule they’re dealing with.
How do I find a qualified commercial building surveyor?
Start with RICS (Royal Institution of Chartered Surveyors), which maintains a register of accredited professionals searchable by location and specialism. RICS accreditation means the surveyor meets specific competency standards and is bound by a professional code of conduct – both of which matter when you’re relying on their advice for a significant commercial decision.
Beyond accreditation, look for direct experience in the specific type of work you need. A surveyor experienced in dilapidations negotiations is a different proposition from one who primarily does pre-acquisition surveys. Ask for examples of relevant work. The best surveyors are specific about what they’ve done and confident in explaining how they approach it. If someone is vague, treat that as useful information.
How HORDE Can Help
At HORDE, we field these questions every week from developers, landlords, tenants, and lenders across the UK. Whatever stage you’re at – working out whether you need a survey, dealing with a dilapidations dispute, or simply trying to understand what something will cost – we give you a direct answer, not a sales pitch.
Our services include:
- Commercial building surveys and technical due diligence (TDD)
- Schedule of Condition reports
- Dilapidations advice – interim and terminal, for landlords and tenants
- Defect analysis and investigation surveys
- Planned preventative maintenance (PPM) programmes
If your situation needs a conversation rather than a list, get in touch. We’d rather give you clarity upfront than have you make decisions without the right information.
Find out more about our commercial building surveying services.
Still Have Questions?
That’s completely normal. Most of these questions only come up once you’re actually facing the situation, which is exactly when you need clear answers most quickly.
If something here raised more questions than it resolved, get in touch with HORDE. We’ll talk through your specific situation – no jargon, no pressure, and no invoice for the conversation.