Case Study: CAD Services

Project: Macintosh house

The Howard de Walden Estate (HDWE) is responsible for overseeing a diverse community of residents, educational institutions and businesses in some of London’s most desirable neighbourhoods. It includes Marylebone Village’s retail and leisure offering and the world class healthcare providers of Harley Street Medical Area.

Macintosh House, at 54 Beaumont Street, part of HDWE, comprises a four storey building (plus basement) which was built in the 1960’s. Used by Westminster City Council until 2010 to provide accommodation for the elderly in the form of 28 non self-contained flats, the building is currently in temporary use as a Public Library on the lower ground to first floor, with the upper floors vacant.


The area is characterised by a mixture of medical and residential uses and to a lesser extent office accommodation. The opposite, eastern side of Beaumont Street lies within the Harley Street Special Policy Area (SPA), with the King Edward VII Hospital occupying much of the frontage. Agnes Keyser House, which serves as nurses accommodation, and Weymouth Street Hospital lie adjacent to Macintosh House on the same side of the street to the south.

Given the activity and use in the immediate area, redevelopment of Macintosh House proposes a centre for specialist medical diagnostic and consulting facilities. The new building will comprise 2 x basements, ground and four upper floors with a setback 5th floor and plant room above.

The aspiration is that the new medical space will be occupied by the King Edward VII hospital.

As part of moving the project forward, Benchmarq was engaged by one of its survey partners to produce 2D CAD drawings from point cloud data in order to create floor plans, elevations, roof plans and sections all at 1:100 standard detail.

The deliverables will be transferred to the project architect, enabling them to work up the details of their proposed redevelopment design.

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