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Conventions for U-value calculations (2002) <B>(Superseded ed)</B>

ARCHIVED - Conventions for U-value calculations (2002) (Superseded ed)

by B Anderson (29-Mar-2002)

Book Description


Whilst this publication can still be purchased some of the information in it has been superseded by more recent research and standards. The BRE Group does not accept any responsibility whatsoever for any loss or damage, including - without limitation - indirect or consequential loss or damage arising from use, or loss of use, of data or profits arising out of, or in connection with, the use of this document.

Superseded by 2006 edition - see and this was subsequently superseded by 2019 edition


This is a guide to the use of the relevant U-value calculation procedures to comply with the Approved Documents L1 and L2 (2002) as given in British Standards and other documents, and it will help those who commission and carry out such calculations. It indicates which calculation methods are appropriate for different construction types, and provides additional information and data relevant to typical UK constructions. This guidance is concerned with the U-values of building materials and building elements - walls, roofs, floors, basements, windows and doors - and also covers various issues that commonly arise when undertaking U-value calculations.

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