The Building Regulations for Commercial Properties are split into two sections :-

• Part L2A - For new build properties
• Part L2B - For extensions and refurbishments

These documents can be downloaded from the Planning Portal.

Both of the Approved Documents use the Simplified Building Energy Model (SBEM) as a methodology for proving that the energy performance requirements for the proposed building.

New Build

The amount of CO2 emiited by the designed building is compared against the emissions from a notional building of the same size. Within the calculation there are correction factors which means that on average the performance of a new building needs to be 20% better than a building constructed to the 2000 edition of the Building Regulations.

Extensions and Refurbishments

Depending on the works undertaken for an extension and refurbishment there are different ways to get a building to comply. For help and advice please contact us on 01228 580152.
 

All new commercial buildings will require an Energy Performance Certificate. Click the side bar for more information.