Who needs a DEC assessment?

Public buildings over 250 square metres require and Display Energy Certificate.

How long does a DEC assessment last?

DEC's `range` from 1 year to 10 years depending on the size of the building.


What is a DEC assessment?

A DEC assessment is a Display Energy Certificate for public buildings. This must be displayed in a public area for the public to view.


How long does the survey take?

Depending on the size of the building, usually between 1 and 2 hours.


Is there anything I need to do?

You must be able to provide us with the last 12 months of gas and electricity bills.