Aipedia: Energy assessors and retrofit coordinators

AI photo evidence and site data capture for EPCs

Aipedia, by the Apex broking team · Last reviewed 2026-10-30

AI can suggest wall types, insulation, glazing and heating systems from site photos, but the assessor must verify each input and keep evidence for scheme audit. Lodged EPCs are relied on by buyers and tenants, so a wrong suggestion can travel a long way.

Part of: AI in energy assessors and retrofit coordinators

In short

Image-recognition tools suggest construction, insulation, glazing and heating details from photos and can populate assessment software directly. They cannot see hidden construction and may fall back on defaults without saying so. Under the EPB Regulations 2012 the assessor owes reasonable care and skill (reg 24(1)) and schemes must provide for accurate assessments and indemnity arrangements covering buyers and tenants (reg 22(3)(a) and (e)). Record your own observation and supporting photo for each input. PI usually treats a wrong EPC as negligence, subject to the terms.

How assessors use AI for photo evidence and data capture

Site photos have long supported EPC and retrofit evidence. AI now goes a step further by suggesting what a photo shows: wall construction, insulation, glazing type, roof type, boiler make and model, controls or lighting. Some tools populate the assessment software directly from a set of photos, leaving the assessor to accept or change the suggestions.

That speeds up data entry, but image recognition only sees the surface. A rendered wall, a boarded loft or a boiler without a visible data plate gives the tool little to go on, and it may still produce a confident answer.

The duties that apply

The legal framework treats the assessor, not the software, as the person making the assessment. The key provisions are:

Reg 24(1): energy assessors must carry out assessments with reasonable care and skill, under the EPB Regulations 2012.
Reg 22(3)(a): schemes must provide for consistent and accurate assessments carried out independently, which their audits test against evidence.
Reg 22(3)(e): schemes must provide for indemnity arrangements in relation to relevant persons and prospective or actual buyers or tenants. That recognises that people who never instructed the assessor still rely on a lodged EPC.
Reg 27: the certificate is lodged on a public register.

Scheme operating requirements set what evidence must be kept. See EPC and PAS 2035 rules that apply to AI use.

What can go wrong

The typical problems come from the gap between what a photo shows and what the methodology needs. Watch for these:

Wrong defaults: where the tool cannot tell, it may fall back on an assumption, such as an age-based default, without flagging it.
Surface misreads: render, cladding or internal lining hides the true construction.
Heating errors: the wrong boiler model, fuel or controls are selected from a partial image.
Missing evidence: the assessor keeps the tool's suggestion but not the photo or note that supports it, so an audit cannot confirm the input.
Stale photos: images from a previous visit or a previous owner are processed as if current.

Illustrative: an assessor accepts an AI suggestion that a solid wall is insulated, based on a photo of a recently rendered elevation. No further evidence is recorded. A buyer relies on the EPC and the advice in it, then discovers the walls are uninsulated when planning works. The buyer complains, and a scheme audit of the job records a non-conformity because the input is unsupported.

How PI usually responds

A claim from a buyer, tenant or client who relied on a wrong EPC is usually treated as a negligence claim under the assessor's PI, subject to the policy terms. The scheme's indemnity arrangements under reg 22(3)(e) exist precisely because third parties rely on lodged certificates. How the claim is handled may depend on whether the assessor holds their own PI, whether the scheme also provides a policy (Elmhurst, for example, separately covers lodgement of members' reports through its systems), and what each policy excludes. Check whether your wording treats software errors differently from your own judgement; see does PI cover AI mistakes?.

Practical controls

Treat image recognition as a prompt to look, not an answer. In practice:

Record your own observation for every input the tool suggests, with the supporting photo.
Where construction is hidden, follow the methodology and scheme rules on evidence and defaults rather than the tool's guess.
Check heating system details against a data plate, manual or other documentary evidence where available.
Date-stamp photos and keep them with the job file.
Know where the app stores photos and who can access them; see AI, home photos and occupant data.

Measurement problems often sit alongside these issues, covered in AI floor plans and measurements.

How Apex helps

Apex arranges PI for energy assessors and energy consultancy firms through our energy consultants PI service. A broker can check how your own PI and any scheme policy fit together for AI-assisted data capture. Visit the AI in energy assessment hub for more.

Sources

Frequently asked

Can AI identify wall type and insulation from photos?

It can suggest an answer, but a photo often cannot show hidden construction. The assessor must follow the methodology and scheme evidence rules and record their own observation, because reg 24(1) requires reasonable care and skill whatever tools are used.

Why can buyers and tenants claim against an energy assessor?

A lodged EPC is relied on by people other than the client. The 2012 Regulations recognise this by requiring schemes to provide for indemnity arrangements in relation to relevant persons and prospective or actual buyers or tenants (reg 22(3)(e)).

What happens if a scheme audit finds an unsupported input?

The scheme's quality assurance process applies, which may require corrective action or re-lodgement depending on the scheme rules. An audit finding is not a PI claim, but it can point to errors that later lead to complaints or claims.

Does my scheme's lodgement policy replace my own PI?

Not necessarily. For example, Elmhurst requires members to arrange their own PI and public liability insurance and separately provides a lodgement policy. Check how each responds and where the gaps sit.

Check your PI covers how you use AI

Tell us about your firm and the work you do. A broker will review how your current PI treats AI-assisted work, or arrange new cover. No fee for a quote. Or call 0117 325 0027.

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Apex Insurance Brokers Limited is authorised and regulated by the Financial Conduct Authority. Registered in England and Wales, company number 07014570. This page is general information about how AI is used in the profession and how insurance may respond. It is not legal, regulatory or insurance advice on your circumstances, and it does not guarantee that cover will be available or on what terms.