Regulatory compliance - rooflights

The Building Regulations pertaining to rooflights fall into the broad categories outlined below. In some cases, regulatory compliance is affected by material type. Specific regulatory information for each material type is listed in the 'rooflights' section of this website. 

The most effective method of providing even, consistent daylight, particularly in large buildings, is through rooflighting – up to three times more efficient than windows of a similar area.

Regulations For Daylighting with Rooflights 

In the UK, Building Regulations Approved Document B (2006 edition amended 2007) sets out the rules for fire safety of buildings. 

Rooflights Fire Regulations

Thermal performance
Independent research has shown that rooflights make a positive contribution to compliance with Part L of the Building Regulations. 

Rooflights Thermal Performance

When specifying rooflights, designers should consider carefully the potential to eliminate or reduce known or predictable hazards. 

Rooflights & Non-fragility

The Building Regulations Part L

All of the latest Approved Documents and Building Regulations puclications can be downloaded free of charge at:

For further information on regulatory compliance, go to our Downloads page.