9 Millbank and Ergon House


St Edward Homes

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The Brief

St Edward’s obtained planning permission for the replacement of Ergon house with a new build of 108 apartments and the refurbishment of Grade II listed 9 Millbank from commercial use to residential with 68 apartments. The two buildings share a 2-storey basement, which included an area of new build extension at level -1. Design Delivery Unit were appointed to optimise the planning permission and deliver the scheme, whilst safeguarding the original design concept.

Added Value

Design Delivery Unit optimised the consented scheme. Within the same envelope and massing, we were able to add an additional 25 apartments to Millbank and remove the proposed basement new build.

Technical Challenges

The site was a former power station and had substantial mass foundations, which the proposed new build structure had to respect. The client opted to retain the west wing, previously meant for demolition. Several detailed applications were sent to the planning authority to address this change and the additional units added to Millbank. Millbank’s historic structure required a detailed 3D survey. There was a high level of coordination required in order to coordinate a high-end MEP strategy, which could not alter the historic structure or areas of significant importance. As the building was stripped, additional spaces were found with potential for more apartment area.


201 apartments, 400 sq m of commercial space
Concept Architect
Eric Parry Architects

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