The MHCLG’s latest appointment signals a turning point for construction accountability
Iain Hoey
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Thouria Istephan appointed interim Chief Construction Adviser
A new interim Chief Construction Adviser has been appointed by the Ministry of Housing, Communities and Local Government (MHCLG).
The appointment, announced on 30 September 2025, sees architect Thouria Istephan take on the role.
She will provide independent, expert advice to ministers and government on building safety and regulatory reform.
The MHCLG said the appointment is a key milestone in delivering the government’s response to the Grenfell Tower Inquiry Phase 2 recommendations.
Her work will support the development of a safer, more accountable construction sector with residents’ interests central to decision-making.
Role to support building safety and reform
The MHCLG confirmed that Istephan will serve in the role for 12 months on a part-time basis.
Her appointment was made through a direct ministerial process in line with Cabinet Office guidance.
The ministry said the interim position allows essential work to start immediately while the permanent role is established next year.
Her responsibilities will include advising on regulatory design and the ongoing transformation of the built environment sector.
According to the MHCLG, Istephan’s experience in architectural design and safety oversight will help ensure reform efforts continue to advance at pace.
Minister highlights experience and leadership
Samantha Dixon, Minister for Building Safety, said: “Ms Istephan brings extensive experience and a strong commitment to public service that will bring valuable insight and meaningful change to building safety in this country.
“It also allows us to restore trust and improve safety, accountability and confidence across the sector.”
Dixon said the new appointment reflects the government’s ongoing effort to strengthen leadership in construction safety.
Istephan reflects on her appointment
Interim Chief Construction Adviser Thouria Istephan said: “This role enables me to apply my extensive architectural experience, together with insights gained through my work on the Grenfell Tower Inquiry.
“It represents a unique opportunity to provide independent advice that promotes progressive and proportionate standards.
“I am committed to playing my part in addressing the devastating consequences of past failures – on people, on the environment, and on the innocent lives lost – as well as the enduring emotional and financial burdens that so many continue to face.”
Before joining the Grenfell Tower Inquiry panel, Istephan held senior roles at several international design and architectural practices.
Her previous positions included Construction Design Management Manager, partner and Technical Design Deputy across large-scale projects and sectors.
Relevance for fire and safety professionals
The appointment of Thouria Istephan as interim Chief Construction Adviser is relevant for building safety officers, architects, fire engineers and regulatory compliance professionals.
Her advisory work will inform government policy on building safety reform and the implementation of Grenfell Tower Inquiry Phase 2 recommendations.
Changes arising from her input could affect construction standards, design practices and the regulation of fire-safety measures within the built environment.
Professionals involved in design, inspection and risk assessment of buildings may need to align with updated guidance or new frameworks emerging from this advisory period.
This article was informed by information from the following source: the Ministry of Housing, Communities and Local Government (MHCLG)
