Current status
Deciding the scope of the works.
Finalising the project specification, budget and programme.
End of works and the defects process.
Project outline
Overview
There is a potential risk that Cadent, the gas service provider, will discontinue gas services to Large Panel System (LPS) construction residential buildings in Lisson Green. This decision is driven by changes in building regulations, specifically concerning the installation and repair of gas leaks within internal risers of residential buildings.
Gas services have already been disconnected at Fingest House since December 2022.
Cadent has indicated that their decision is based on guidance from an open letter issued to all Local Authorities by the central government.
Given the structural characteristics of LPS buildings, Cadent has stated that to fulfill their legal obligation as a gas transporter to protect life and property, it is necessary to disconnect gas services from these types of buildings.
Background
BS8110 is a British Standard that sets guidelines for the structural use of concrete in buildings, including design and construction practices. Cadent has historically provided gas services to residential buildings in Westminster, including those with LPS construction.
However, due to changes in regulations, Cadent is no longer able to install or repair gas leaks within internal risers in the same way as before. This shift has led to the consideration of alternative solutions for maintaining gas services.
Options: External Pipework for Heating and Hot Water
To ensure continued heating and hot water supply, the council is implementing a solution that involves external pipework connected to external heating generators. This approach avoids using internal risers, which are no longer suitable for gas supply in LPS buildings.
The external heating generators will be positioned in designated areas near the affected blocks, supplying hot water through a network of external pipes. These pipes will be safely routed along the building exteriors to minimise disruption and ensure compliance with safety regulations.
Costs and Leaseholder Implications
Given the Health & Safety nature of the problem, it is understood that the costs associated with addressing this issue will not be charged back to leaseholders. Therefore, there will be no requirement for a S.20 notification.
Published: 29 October 2024
Last updated: 19 May 2025