The Cottesloe is currently being refurbished in a project led by architect Haworth Tompkins. The name change follows a £10m personal donation to the NT Future redevelopment fund by National Theatre board member Lloyd Dorfman.
The name will be changed once the theatre’s refurbishment is complete.
Lambeth Council granted planning permission last month for the refurbishment work to be carried out.
The current Cottesloe auditorium will be refurbished to extend capacity – creating at least 10,000 new seats a year – and improve access and comfort.
A new education centre will be created through the transformation of the current foyer and the relocation of the adjacent workshops.
A new seating system will be implemented to allow the space to be used for daytime education. Improved technical facilities will also be added, and improvements will be made to the external entrance.
It is planned for the Cottesloe to close for nine months and reopen as the Dorfman in autumn 2013.