Current
Core Supplement
Provides guidance on the process of determining whether an existing building needs to be considered a "higher-risk building" under the Building Safety Act 2022 and the Higher-Risk Buildings (Descriptions and Supplementary Provisions) Regulations 2023. Covers: guidance for understanding whether the building is a higher-risk building during building work in an existing higher-risk building; use criteria; building definition; counting storeys and measuring height; and glossary.
Last updated: 18 October 2024 - Updated to include a notice clarifying the government’s current position following the recent tribunal judgement that roof gardens should be classified as a storey. Sourced from https://www.gov.uk/guidance/criteria-for-determining-whether-an-existing-building-is-a-higher-risk-building-during-building-work and converted to pdf. Whilst we endeavour to capture all updates it is subject to receiving alerts from the publisher and there may be formatting or punctuation changes applied to the html version that do not affect the text. Document type: guidance. First published 19 October 2023.
The Ministry of Housing, Communities and Local Government is a UK Government ministerial department with responsibility for several policy areas including building regulation, community integration, economic development in coastal and seaside areas, energy efficiency in buildings, high streets and town centres, housing, local enterprise partnerships (LEPs) and Enterprise Zones, localism, planning reform and the planning system. They were previously known as the Department for Levelling Up, Housing and Communities, MHCLG, Department for Communities and Local Government, the Office of the Deputy Prime Minister, and the Department for Transport and Local Government.
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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