Display Energy Certificates (DECs) — Fast, Nationwide
What Is a Display Energy Certificate (DEC)?
A Display Energy Certificate shows the actual energy performance of a public building based on its measured energy use over the last 12 months. It is a legal requirement for:
- Public buildings over 250m²
- Buildings frequently visited by the public
- Schools, colleges, leisure centres, libraries, council buildings, NHS sites, etc.
MacKenzie Land Ltd provides fast, compliant, and fully audited DEC assessments across the UK.
Why Choose MacKenzie Land Ltd for Your DEC?
✔ Fast Turnaround
Most DECs completed within 48 hours of receiving your energy data.
✔ Fully Compliant & Auditable
We follow all GOV.UK DEC requirements.
✔ Nationwide Coverage
We assess single buildings or full estates anywhere in the UK.
✔ Experienced Assessors
Over 10 years delivering DECs for councils, schools, NHS trusts, and private operators.
What We Need From You
To produce your DEC and Advisory Report (AR), we require:
- 12 months of electricity consumption
- 12 months of gas / heating fuel consumption
- Building floor area (NLA or GIA)
- Floorplans if available
- Opening hours
- Term date schedules
- Site contact details
If you don’t have all the data, we help you gather it.
Our DEC Process
- Send us your energy data
- We calculate your Operational Rating (OR)
- We produce your DEC certificate
- We issue your Advisory Report
- We lodge everything on the GOV.UK register
Simple, fast, and fully compliant.
How Much Does a DEC Cost?
Prices depend on building size:
Discounts available for multi‑building portfolios.
Book Your DEC Today
Call: 07769 972331
Same day response.