![Reaching energy efficiency rating of C impossible for 1.7 million homes: Will owners face penalties? | This is Money Reaching energy efficiency rating of C impossible for 1.7 million homes: Will owners face penalties? | This is Money](https://i.dailymail.co.uk/1s/2021/06/03/16/43796721-9648431-image-a-14_1622735921831.jpg)
Reaching energy efficiency rating of C impossible for 1.7 million homes: Will owners face penalties? | This is Money
![If you've bought or sold a property, it'll most likely have an Energy Performance Certificate. But how is the EPC rating calculated? If you've bought or sold a property, it'll most likely have an Energy Performance Certificate. But how is the EPC rating calculated?](https://assets-global.website-files.com/62b1c54534b6a11713c35c02/63374fd203a3f0443e69e6db_img-epc-climate.png)
If you've bought or sold a property, it'll most likely have an Energy Performance Certificate. But how is the EPC rating calculated?
![The Government has confirmed that non-domestic rented Buildings will need to meet an EPC rating of B, by 2030. - Aldrock The Government has confirmed that non-domestic rented Buildings will need to meet an EPC rating of B, by 2030. - Aldrock](https://aldrock.co.uk/wp-content/uploads/2021/03/B-rating.png)