Whittington Hospital removes Old Boiler House chimney as energy upgrade progresses

By Alexa Hornbeck | Published: 17-Mar-2026

GRAHAM has begun demolishing works at Whittington Hospital as part of a major power infrastructure upgrade to replace ageing systems

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Whittington Health NHS Trust has begun dismantling the chimney from the hospital’s Old Boiler House as part of a wider programme to upgrade energy infrastructure at Whittington Hospital.

The structure is being removed to make way for a new energy centre that will house modern electrical infrastructure, including transformers, generators and switch rooms serving the hospital site.

The works form part of the Trust’s Power Infrastructure Project, a multi-year programme to replace ageing high- and low-voltage systems that have been identified as reaching the end of their operational life. 

The wider infrastructure programme is being delivered by GRAHAM, a UK construction and engineering specialist that provides services including construction, civil engineering, interior fit-out and facilities management.

GRAHAM was appointed through the ProCure22 framework to deliver the £100m upgrade of the Whittington Hospital estate. 

The upgrades are intended to reduce risks associated with resilience and single points of failure in the hospital’s power supply. 

Infrastructure renewal

The new energy centre will provide upgraded high-voltage switchgear and transformers, alongside new low-voltage switch rooms serving several hospital buildings.

These improvements are designed to strengthen the reliability of power supply across the site while enabling future development projects and supporting growing electricity demand.

The infrastructure programme also aligns with wider estate improvements at the hospital, which include maternity and neonatal redevelopment and fire safety works being delivered through a broader investment programme.

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