Part 'L' Regulatory Requirements

• Under the 2006 Revision to part 'L', its is a REGULATORY REQUIREMENT, not just guidance, to conduct an Air Leakage Test.
  
  
• Building Control will not be able to provide a completion certificate without the necessary Air Leakage Test results and report.
  
  
• Where the 'APPROVED CONSTRUCTION' details have been adopted one test should be carried out on each dwelling type on each development. seperate blocks of flats are treated as seperate developments.
  
  
• Each of the following constitutes a change of 'DWELLING TYPE'
  
  
• Change in method of construction e.g. timber frame and brick and block
  
  
• Ground floor, mid floor and top floor flats
  
  
• End terrace and mid terrace
  
  
• Semi-detached and detached
  
  
• Significant changes in building floor area