Planning permission unanimously granted to Mary Sumner House
2 September 2021

We are pleased to announce that refurbishment and extension of Mary Sumner House was unanimously approved at the City of Westminster’s planning committee 31 August 2021. The Grade II listed building is on Tufton Street and is home to the Mother’s Union charity. The building was purpose built for the charity in 1925 and has been their home since.

The accommodation is currently dated, inefficient and required new services and facilities to safeguard the charities long term objectives. Our proposals retain and renovate all of the key features and rooms of the building including the chapel, principle staircase and assembly rooms. The ground floor has been reconfigured with a new core to facilitate disabled access, a key part of the charity's brief. An additional floor has been added within a 2 storey dormer that conceal new plant and lift over-runs in the style of the existing building and in the spirit of the original architects original intent and the office floor plates have been made open plan to represent modern methods of working.

Balancing the long term future of a listed building without being detrimental to its listing is always challenging and the consent follows 2 years of consultation with the local authority, Historic England and Building Control to get this right.

This project adds to our growing portfolio of sensitive and intelligent interventions and refurbishment of heritage buildings and we are proud to help the Mother’s Union on this project. The project team also included Planning Consultants, CBRE.

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