Can AI replace the on-site EPC survey?

No. The on-site inspection and measurements are regulated professional work that only the accredited DEA can perform. AI cannot observe the property or take responsibility for the inputs.

What data-protection rules apply when a DEA uses AI?

UK GDPR applies. Property and client details are personal data, so you need a lawful basis and appropriate safeguards before processing them in any AI tool, and you should minimise what you share.

How does AI-EPC fit into a responsible DEA workflow?

AI-EPC is AI-assisted: it supports triage, interpretation and drafting. Any official EPC must still be assessed on site and lodged by an accredited Domestic Energy Assessor — the AI supports the assessor's work but never replaces them.

Responsible AI for assessors

How DEAs can use AI responsibly in EPC workflows

Name: AI-EPC
Address: GB
Price range: ££

Updated June 2026

Quick answer

AI can help an accredited Domestic Energy Assessor triage jobs, draft client communications and interpret data faster. It must never replace the on-site survey, the professional sign-off or the lodgement. The accredited DEA stays responsible for every input and result, within scheme rules and data-protection law.

This guide is general information for assessors, not legal, accreditation or compliance advice. AI use must stay within your accreditation scheme's rules and UK data-protection law. Always confirm current requirements with your scheme and on GOV.UK; the accredited DEA remains responsible for assessing and lodging every EPC.

AI tools are increasingly part of an assessor's day, but accreditation responsibility cannot be delegated to software. This guide sets out where AI genuinely helps a DEA, where on-site inspection and professional judgement must stay in control, and what AI must never do.

Where can AI genuinely help a DEA?

AI is most useful for the work around the assessment rather than the assessment itself. It can speed up triage, drafting and interpretation without touching the regulated judgement.

Triaging a workload by likely complexity, travel and priority.
Drafting client emails, booking confirmations and report summaries for the DEA to review.
Interpreting lodged EPC data and flagging fields worth checking on site.
Summarising guidance and conventions so the assessor can decide faster.

Where must accredited judgement stay in control?

The on-site survey, the choice of RdSAP inputs and the interpretation of conventions are regulated professional decisions. These rest with the accredited DEA and cannot be outsourced to an algorithm.

AI suggestions are prompts to consider, not answers to accept. The assessor must verify every value against what they observe and evidence on site.

What must AI never do?

Some tasks are off-limits for automation because accreditation and lodgement depend on a named, accountable assessor.

AI's role across a DEA workflow and who stays responsible
Workflow task	AI role	Who stays responsible
Job triage & scheduling	Assist	Accredited DEA
Drafting client comms	Assist	Accredited DEA
Interpreting lodged data	Assist	Accredited DEA
On-site survey & measurements	None	Accredited DEA
Selecting RdSAP inputs / sign-off	None	Accredited DEA
Lodging the EPC	None	Accredited DEA

How do I stay within scheme rules and data protection?

Use of AI must comply with your accreditation scheme's conduct rules and with UK GDPR. Treat property and client information as personal data and handle it accordingly.

Confirm your scheme permits AI assistance and keep within its conventions.
Avoid putting identifiable client data into tools without a lawful basis and adequate safeguards.
Keep the assessor's name and accreditation against every lodged EPC.
Record that AI output was reviewed by the DEA before use.

Frequently asked questions

Can AI replace the on-site EPC survey?: No. The on-site inspection and measurements are regulated professional work that only the accredited DEA can perform. AI cannot observe the property or take responsibility for the inputs.
What data-protection rules apply when a DEA uses AI?: UK GDPR applies. Property and client details are personal data, so you need a lawful basis and appropriate safeguards before processing them in any AI tool, and you should minimise what you share.
How does AI-EPC fit into a responsible DEA workflow?: AI-EPC is AI-assisted: it supports triage, interpretation and drafting. Any official EPC must still be assessed on site and lodged by an accredited Domestic Energy Assessor — the AI supports the assessor's work but never replaces them.

See AI-EPC for assessors