Domestic heating compliance guide: compliance with Approved Documents: L1A: New dwellings and L1B: Existing dwellings (2nd edition - December 2008)

Publication Year

2008

Document Status

Current

Abstract

An updated second tier document referred to in ADL1A and ADL1B as a source of guidance on the means of complying with the requirements of the Building Regulations for space heating systems and hot water systems. Concentrating on the conventional means of providing primary and secondary space heating and domestic hot water for dwellings in use in England and Wales. For new dwellings, guidance is provided on the design limits for building services systems referred to in ADL1A. For existing dwellings, guidance is provided on reasonable provision for the installation or replacement of controlled services as referred to in ADL1B.

Document History

Second tier document to Part L. Supersedes 1st edition, May 2006 (ODPM). Revised to correct issues concerning water hardness tables, replacement of hot water cylinders in existing gravity systems, minimum efficiencies of boilers, insulation of underfloor heating systems and solid fuel appliance categories.

ISBN

9781859462799

Publisher Information