Approved Document L1b

• Publication title: Approved Document L1B: Conservation of fuel and power (Existing dwellings) (2006 edition)
• Date published: 15 March 2006
• ISBN: 978 1 85946 218 8
• Price: £8.50 (free to download below)

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Approved Document L1B: Conservation of fuel and power (Existing dwellings) (2006 edition) (PDF 299 Kb)

Archived versions

Approved Document L1B: Work in existing dwellings (2005 Interim Edition) (PDF 273kb)

Copyright

See specific copyright terms which apply to the approved documents.