This set of ‘Guernsey Approved Details’ has been produced to enable simple and straightforward compliance with the current requirements, of Building Regulation Part L1, in Guernsey (ie. the UK 2002 edition)

The U-values and construction details shown, have been verified by the Building Control Section of the Environment Department, as complying with the requirements of the Regulation.

Norman Piette Ltd are pleased to acknowledge the assistance of Tony Yates, and his colleagues at Building Control, in checking the draft and providing valuable advice, in the production of this document.

As Guernsey’s leading builders’ merchant, Norman Piette Ltd is proud of its service to the construction industry, and we are confident that this document will become the standard reference work for architects, builders, and all involved in the design and construction of dwellings in Guernsey.