×
×

Contact us

This guide focuses on the requirements for rooflights and roof windows in relation to Approved Document L in dwellings and buildings other than dwellings, and covers:

VOLUME 1 – DWELLINGS: ROOFLIGHTS AND ROOF WINDOWS

  • Calculating the target primary energy rate, target emission rate and target fabric energy
    efficiency rate in dwellings
  • Limiting heat gains and losses in rooflights and roof windows in dwellings
  • New rooflights and roof windows in existing dwellings, including extensions
  • Work to rooflights and roof windows in existing dwellings

VOLUME 2 – BUILDINGS OTHER THAN DWELLINGS: ROOFLIGHTS AND ROOF WINDOWS

  • Calculating the target primary energy rate and target emission rate in buildings other than dwellings
  • Limiting heat gains and losses in rooflights and roof windows in buildings other than dwellings
  • New rooflights and roof windows in existing buildings, including extensions
  • Work to rooflights and roof windows in existing buildings

Simply fill in the form and download your free guide today, and if you have any questions please give us a call on 01379 658 300, or fill in a contact form.

FREE PART L GUIDE