If you’re booking a Domestic Energy Performance Certificate (EPC) in 2026, one of the most common questions is: how long will the assessor be in my home?
Good news — a domestic EPC assessment is typically quick and non-disruptive.
Typical Duration of a Domestic EPC Assessment
A standard residential EPC inspection usually takes:
| Property Type | Typical Time |
|---|---|
| Flat / Apartment | 20–30 minutes |
| Small House (1–2 bedrooms) | 30–45 minutes |
| Medium House (3 bedrooms) | 45–60 minutes |
| Large House (4+ bedrooms) | 60–90 minutes |
This includes measuring rooms, checking heating systems, noting insulation, and recording lighting types.
After the visit, the assessor lodges the data and you normally receive the official EPC within 24 hours.
👉 Book your assessment here:
https://epcrate.co.uk/booking/
What the Assessor Needs to Do
During the visit, your Domestic EPC assessor will:
✔ Measure the property’s floor area
✔ Inspect walls, roof, floors, and glazing
✔ Check the boiler and heating type
✔ Record insulation levels (where visible)
✔ Take photographs and notes
✔ Ask simple questions about fixed heating and energy systems
This process is non-invasive — nothing is drilled, lifted, or tested destructively.
How to Prepare for the Visit
You can speed up the assessment by having the following ready:
Boiler manual or installation date
Insulation certificates (loft, walls)
Information on recent upgrades (windows, heating, solar)
Floor plans (if available)
Providing evidence of improvements can sometimes increase your EPC rating and reduce assessor time.
What the Assessor Doesn’t Do
Your assessor will not:
❌ Carry out a structural or building condition survey
❌ Check gas safety or electrical certificates
❌ Turn appliances on or off
❌ Remove any fittings or fixtures
They simply record features that impact energy usage.
What Happens After the Visit?
Once the EPC assessor completes the inspection:
Data is entered into the national EPC register
EPC rating and report are generated
You receive the certificate (valid 10 years)
Check current EPC pricing here:
https://epcrate.co.uk/pricing/
Find out more about our assessors:
https://epcrate.co.uk/services-epc-assessors-london/
Meet our company:
https://epcrate.co.uk/about-us-epc-company-london/
Quick Summary
Most EPC assessments take 30–60 minutes
Larger homes may take up to 90 minutes
You’ll receive the EPC certificate within 24 hours
Minimal preparation helps speed things up
A Domestic EPC is not just a legal requirement — it’s a key part of marketing your property in 2026.
Office: 150–160 City Road, London, EC1V 2NX
Phone: 020 3488 4142
Email: info@epcrate.co.uk
