What is Energy Performance Certificate (EPC)?
Complete Guide to Check, Download & Requirements in the UK
If you're buying, selling, or renting a property in the UK, understanding What is Energy Performance Certificate (EPC) is essential. Whether you want to check an EPC certificate, download an EPC, or learn about energy performance certificate requirements, this guide covers everything you need to know.
At G and K Heating we help homeowners and businesses stay compliant while improving energy efficiency.
What is an Energy Performance Certificate (EPC)?
An energy performance certificate is an official document that shows how energy-efficient a property is. It provides an energy performance rating from A (most efficient) to G (least efficient).
It also includes:
Estimated energy costs
Recommendations to improve efficiency
Environmental impact (carbon emissions)
If you're wondering, "What is Energy Performance Certificate (EPC)?", think of it as a report card for your property's energy use.
Why is an EPC Important?
You may ask:
Do I need an energy performance certificate?
Do you need an energy performance certificate to sell or rent?
The answer is yes in most cases.
Key reasons:
Legal requirement for selling or renting
Helps buyers compare energy efficiency certificates
Reduces energy bills with suggested improvements
Increases property value
For homeowners looking to improve overall property efficiency, GK Heating can help identify opportunities for energy-saving improvements.
How to Check EPC Certificate Online
You can easily check EPC certificate details using the official energy performance certificate register.
Steps:
Visit the EPC register
Enter your postcode (EPC by postcode)
View or download EPC certificate
This process allows you to:
Check my EPC
Access a copy of energy performance certificate
Perform a full energy performance certificate search
How to Download EPC Certificate
To download your EPC:
Go to the EPC certificate register
Search using your postcode
Select your property
Click EPC certificate download
Click here
This gives you an official energy certificate UK document instantly.
Energy Performance Certificate UK Types of EPC Certificates
1. Domestic EPC
Also known as:
Domestic EPC
Domestic EPCs
Energy certificates for houses
Used for:
Houses
Flats
Residential properties
2. Commercial EPC
Also referred to as:
Commercial energy performance certificates
Commercial EPC
EPC certificate for commercial property
Commercial property energy performance certificate
Required for:
Offices
Shops
Warehouses
Energy Performance Certificate Requirements
Understanding energy performance certificate requirements is crucial.
You need an EPC if:
Selling a property
Renting to tenants
Constructing a new building
You may NOT need one if:
Listed buildings (with exemptions)
Temporary buildings
Places of worship
Always check current energy performance certificate rules to stay compliant.
EPC Rating Explained
Your energy performance rating shows how efficient your property is:
A–B → Highly efficient
C–D → Average (most UK homes)
E–G → Needs improvement
Improving your rating can:
Lower energy bills
Increase property value
Make your home more attractive to buyers
Many improvements recommended within an EPC report can also help support other property services, including heating upgrades, electrical efficiency improvements, and regular maintenance carried out by experienced teams such as GK Plumbing and Heating and GK Electrical.
EPC Certificate Sample & What It Includes
An energy performance certificate sample or EPC certificate example typically includes:
Property details
Current & potential rating
Energy usage
Suggested upgrades
These Energy Performance certificate samples help you understand what buyers or tenants see.
How GK Heating Can Help
At GK Heating, we provide:
Fast and reliable EPC assessments
Help with EPC certificate checks and compliance
Advice to improve your energy efficiency certificate rating
Support for both domestic EPCs and commercial EPC certificates
Guidance on heating efficiency improvements and property compliance
Whether you know us as GK Heating, GK Plumbing, GK Plumbing and Heating, GK Controls, GK Electrical, G&K Heating, or G and K Heating, our team is here to help homeowners and businesses improve energy efficiency and stay compliant with UK regulations.
Need help with an EPC assessment or improving your property's energy efficiency? Contact GK Heating today and speak with our experienced team.
Improving your property's EPC rating can lead to lower running costs, greater energy efficiency, and increased appeal to buyers and tenants. Many of the recommended improvements focus on modern heating technologies that reduce energy consumption. For more information on one of the UK's fastest-growing renewable heating solutions, read our blog "How Air Source Heat Pumps Work?" and see how the technology works in practice.