The role will provide expert, independent advice to ministers and government on building safety and regulatory reform.
A new interim Chief Construction Adviser has been appointed by the Ministry of Housing, Communities and Local Government today (30 September 2025).
Thouria Istephan, an architect with extensive industry experience and knowledge of building safety standards, has been appointed to provide expert, independent advice to ministers and government on building safety and regulatory reform.
Thouria will play a central role helping to shape the future of the built environment sector, ensuring that safety, delivery and accountability are central to decision-making, with residents' voices at heart. Her appointment marks a key milestone fulfilling the government's response to the Grenfell Tower Inquiry Phase 2 recommendations.
The Minister for Building Safety Samantha Dixon 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.
Her work will drive the transformation needed to restore trust and improve safety, accountability and confidence across the sector.
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 Thouria's work on the Grenfell Tower Inquiry panel, she spent decades at leading international design and architectural practices, where she held senior roles including Construction Design Management Manager, partner and Technical Design Deputy across major projects and sectors.
This 12-month, interim appointment will allow vital work to begin now with expert leadership in place to guide and maintain momentum on reform and regulatory design, while the government establishes the role permanently next year.
Thouria was appointed through a direct ministerial process, in line with Cabinet Office guidance and her role will be taken up on a part-time basis.
