The Perfume Factory is a large private rental sector development in North Acton, in a mixed industrial and residential area. The development will deliver 480 homes distributed across a 34-storey tower, a 19-storey tower and two 10-storey buildings. Extensive communal amenities both internally and externally include dedicated child-play space and roof terraces. The development will be built using volumetric modular technology, off-site fabricating the 480 apartment units into approximately 1200 modules, reducing the construction programme by at least 6 months, compared to traditional construction.

Key technical challenges

Key technical challenges include using modular construction techniques on one of the tallest modular towers in the UK. RBG technical solutions include:

  • A concrete transfer deck at first floor of variable thickness between 0.5m to 1.2m where the modules will be sitting
  • A concrete core to provide stability for the two tallest buildings and vertical bracing to provide stability to the two low-rise structures
  • In plane bracing in order to provide adequate stiffness to the modular floor assembly
  • A piled foundation with piles of 900m diameter up to 50 metres deep under the tallest tower
  • Axial shortening considerations to evaluate the long and short term differential shortening between core and the adjacent steel posts of the modular units
  • Study of the dynamic response of the building under wind forces (particularly critical for a light-weight highrise building
  • Integration of amenity areas within the modular design

Project Metrics

Building Metrics:
480 Apartments
Height: 125m
Site Area: 4500m2

Project Metrics

Essential Living
Darling Associates
Robert Bird Group Services:
Structural Engineering
Civil Engineering
Geotechnical Engineering

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