New Build Energy Compliance (Part L)

If you're building a new home or carrying out major renovation works, we make sure your project meets the energy efficiency standards required under Irish building regulations.

New Build Energy Compliance (Part L)

About the service

What is it:

Irish building regulations require all new homes to meet strict energy efficiency standards, known as Nearly Zero Energy Building (NZEB) requirements.

Part L is the section of those regulations that deals specifically with energy, and every new home or major renovation needs to demonstrate it complies before it can be signed off.

Who Needs it:

You'll need Part L compliance if you are:

  • Building a new home
  • Carrying out a major renovation affecting more than 25% of your building's envelope
  • Adding a significant extension
  • Replacing key building elements like windows, roofs or insulation

How it works: 

  • We model your building in DEAP, the government-approved compliance software
  • We assess your insulation, heating, ventilation, airtightness and renewable energy contribution
  • We check your design meets the required energy and carbon performance targets
  • We produce the compliance report needed for your building sign-off

What you get

  • A Part L compliance report demonstrating your home meets building regulations
  • Guidance on the most cost-effective route to compliance during the design stage
  • Final BER certificate for your new or upgraded home

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