Refurbishment and extension of the centrepiece of the Grade I listed terrace designed by John Nash. The property had originally consisted of the Diorama building, an early-nineteenth century form of cinema, flanked by two town houses.

The property had been altered several times and the three buildings had been combined as institutional office use in the 1990s. The property had been empty for a number of years. 


What we did

  • Detailed archival research into the historic development of the property to identify surviving historic fabric and later interventions

  • Collaboration with the design team to inform the development proposals, including producing heritage sensitivity diagrams 

  • Liaison with the local planning authority (London Borough of Camden), Historic England and the local amenity society


  • In June 2020 planning permission and listed building consent were granted at committee for the division of the buildings to return the two town houses to separate residential use, and retain the Diorama as offices.

  • The scheme includes the extension and complete refurbishment of all three buildings. This includes extensive internal alteration to enable the reinstatement of key original spaces and a roof level extension to the Diorama.

 Diorama Park Square East Regents Park

Diorama Park Square East Regents Park 2

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