Important Information: For all updates and Celotex announcements since June 2017, please see the links below...  See more

Declared lambda values - Read more >

5000 Class 0 testing - Read more >

Rainscreen cladding & RS5000 - Read more >


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Understanding Building Regs - Part L

April 6th 2014 will see the introduction of the new Part L 2013 Building Regulations for domestic, non-domestic and existing buildings. Read more

Understanding Section 6

October 2010 saw the introduction of the new update to Section 6 (Energy) of the Scotland Domestic Technical Handbook. Read more

Green Deal

The Energy Bill, introduced to Parliament on 8 December 2010, includes provision for the new 'Green Deal', which is intended to revolutionise the energy efficiency of British properties. Read more


BREEAM (BRE Environmental Assessment Method) is the leading and most widely used environmental assessment method for buildings. Read more

Guide to EPC's

EPCs record how energy efficient a property is as a building and provide performance ratings from A-G. Read more