Integration · Company data

Connect Claude & ChatGPT to the EPC Register

Ask your AI for the energy rating of a property in England or Wales. It searches Energy Performance Certificates for homes and commercial buildings, and Display Energy Certificates for public buildings, by postcode, address, UPRN, council or date range. It can then read a full certificate with ratings, property details and recommendations.

Connect Energy Performance Certificates (EPC) free

Free plan, no credit card. Takes about a minute.

Try asking

“What is the energy rating of 10 Example Street, AB1 2CD?”
The AI searches domestic EPCs by address and postcode and returns the certificate number and energy rating.
“List the home EPCs in postcode AB1 2CD.”
It searches domestic certificates for the postcode and lists each property with its rating.
“What does certificate 0000-1672-0000-1732-0000 recommend?”
It reads the full certificate, including ratings, property details and the recommended improvements.

What your AI can do

Homes

Search domestic EPCs by postcode, address, UPRN, council or date range and get certificate numbers and ratings.

Commercial and public buildings

Search non-domestic EPCs and Display Energy Certificates in the same way.

Full certificates

Read any certificate by number, with ratings, property details and recommendations.

“Find the EPC for the shop unit at 5 Market Place.”
It searches non-domestic certificates for commercial buildings by address.
“Show the Display Energy Certificate for our local leisure centre.”
It searches Display Energy Certificates for public buildings and returns the matching certificate.
“Which homes in our council area got a new EPC last month?”
It searches domestic certificates by council and date range and lists the results.

7 tools for Energy Performance Certificates (EPC)

These tools are switched on when you connect. You can switch any of them off, or require your approval before it runs.

get_certificateGet the full energy certificate by `certificate_number` (e.g. 0000-1672-0000-1732-0000), including ratings, property details and recommendations.
list_codesList codes. API summary: /api/codes.
list_deltasList deltas. Optional filters: date start or date end. API summary: Search certificates that have changed between two dates.
list_infosList infos. Optional filters: code or schema version. API summary: /api/codes/info.
search_display_certificatesSearch Display Energy Certificates (DECs) for public buildings by `postcode`, `address`, `uprn`, `council` or date range.
search_domestic_epcsSearch domestic (home) Energy Performance Certificates in England and Wales by `postcode`, `address`, `uprn`, `council` or date range. Returns certificate numbers and energy ratings.
search_non_domestic_epcsSearch non-domestic (commercial building) Energy Performance Certificates by `postcode`, `address`, `uprn`, `council` or date range.

Set up in three steps

1
Pick the app
Create a free PipMCP account and choose Energy Performance Certificates (EPC) from the app list.
2
Paste your key
Paste your bearer token. Go to Get energy performance of buildings data, click Start now and sign in or create an account with GOV.UK One Login. The token is shown on your My account page.
3
Add the link to your AI
You get a personal MCP link. Add it to Claude, ChatGPT or Cursor:
1. Click your name, then Settings › Connectors › Add custom connector.
2. Paste your link as the Remote MCP server URL.
3. Switch it on from the + menu in a chat.

Questions

What can the AI do in the EPC Register?

It can search domestic EPCs, non-domestic EPCs and Display Energy Certificates in England and Wales by postcode, address, UPRN, council or date range. It can read a full certificate by its number, with ratings, property details and recommendations.

Does the AI see my EPC Register credentials?

No. Your EPC Register credentials are encrypted at rest and never shown to the AI. After you save them, they are not shown again, not even to you. The AI only sees the results of the tools it calls.

Can I control what the AI is allowed to do?

Yes. You choose which tools are switched on. All tools here only read certificate data, so nothing is changed. Every tool call is logged.

Does it work with ChatGPT?

Yes. In ChatGPT, open Settings › Apps & Connectors › Advanced, turn on Developer mode and add your PipMCP link. Developer mode needs a paid ChatGPT plan: Plus, Pro, Business or Enterprise. The same link also works in Claude (Settings › Connectors › Add custom connector), Cursor and other MCP clients.

What does it cost?

PipMCP has a free plan with no credit card required. Paid plans bill per completed task. You also need a GOV.UK One Login account to get your bearer token.

Does it cover Scotland and Northern Ireland?

No. The tools search certificates for buildings in England and Wales.