Henry Boot: The Silk Works, Invicta House, Manchester

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Redevelopment of an existing office building in a Conservation Area

NJL is acting for Henry Boot Developments Ltd and Invicta Manchester Ltd on an existing employment site within Manchester city centre to bring forward 50,000sq.ft of high quality office accommodation.  The existing office building is Victorian and of local historical significance partly on account of being located within the Deansgate/ Peter Street Conservation Area.  The proposed development will involve the retention of the original Victorian façade to Atkinson Street and its partial return to Scott Place with a new 8 storey office development erected behind. The ground floor will provide the opportunity for a coffee shop or kiosk to be established, alongside amenity space for occupiers.

Our Role

NJL provided detailed planning advice throughout the planning application process, coordinated technical consultants and stakeholders involved with the project, and submitted the planning application. 

NJL prepared the Planning Statement and Sustainability Statement in-house and also coordinated and reviewed all technical reports which support the planning application.

NJL has also been tasked with monitoring the application through to determination and handling any feedback received from the council, interested parties and stakeholders during the application consultation period.


As the project is a complex heritage case it has been subject to close liaison and consultation between NJL, Northmill Associates, Historic England and Manchester City Council.  The scheme has been revised and tailored throughout the pre-application period to reflect comments received from key stakeholders.  NJL has developed a positive working relationship with interested parties in order to streamline the application process and accelerate a decision being made.  NJL has swiftly addressed any public or stakeholder comments relating to the proposal.  This has been particularly important due to the building’s historic architectural and contextual significance and the proposed development’s relationship to the modern Spinningfields.  NJL will continue to communicate effectively with all interested parties to facilitate a positive result for this proposed development in the coming weeks.   

Invicta  Invicta street view