Current
Core Supplement
Determinations Decision Letters
Determination of compliance with requirement B1 (means of escape) of the Building Regulations 1991 (as amended) in respect of a proposed loft conversion.
Date of issue: 16/03/99.
Formed from the merger of the Department of Transport (DOT) and the Department of the Environment (DOE). Split into the Department of Transport, Local Government and the Regions (DTLR) and the Department of the Environment, Food and Regional Affairs (DEFRA). The DTLR was disbanded in 2002.
NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.
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