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This 124,000 sq ft office-led scheme was delivered in H1 2022 and reflected an 81% uplift on the previous floor area. The property sits next to White Collar Factory by the Old Street roundabout in the heart of the Tech Belt. The Featherstone Building incorporates many of White Collar Factory’s innovative ‘long-life, loose-fit, low carbon’ features: generous floor to ceiling heights, concrete core cooling, openable windows, multiple terraces and an integrated café operated by DL/ Service in the double-height reception.

Created for connection and collaboration, DL/ Members Lounge, DL/28 is located over the ground and lower ground floor of The Featherstone Building. The dynamic Lounge offers Members touch-down workspace, meeting rooms, private hire event space and somewhere to connect and collaborate.

The Featherstone Building has achieved a Platinum SmartScore certification. A global standard for smart buildings recognising exceptional user experiences, cost efficiency, high standards of sustainability and future-readiness.

The property is 88% let following office transactions to Avalere Health, Buro Happold, DEPT Agency,, Marshmallow and Tide.


  • Supplied by renewable electricity and gas
  • Solar PV panels will provide an on-site source of renewable energy
  • Enhanced sub-metering will enable occupiers to monitor their electricity and heat consumption
  • Embodied carbon emissions of the building will be offset using verified schemes
  • Biodiverse green roofs to support wildlife
  • Water efficiency fixtures and fittings to reduce consumption including rainwater recycling
  • All timber used to construct the building is FSC certified
  • 292 cycle spaces along with shower facilities to support sustainable travel
  • As part of the LEED certification, Derwent London are pleased to be supporting the London Wildlife Trust at their Woodberry Wetlands Centre in Hackney. This initiative will help restore reedbed habitats and increase the diversity of wildflowers


  • Achieved BREEAM Outstanding
  • Achieved LEED Platinum
  • Achieved EPC Rating 'A'
  • Achieved WiredScore Platinum
  • Achieved SmartScore Platinum
  • Achieved AirScore Design & Operation Gold
  • Building designed to support WELL fit-out certification

Beautifully crafted, contemporary workspace in the heart of Old Street

5,773 sq ft of Furnished + Flexible space is available on the third floor and 9,724 sq ft of CAT A space on the second floor.

The beautifully designed double-height reception includes an integrated café operated by DL/ Service. The building features a communal roof terrace and pavilion on the 10th floor, 3.125m floor to ceiling heights on all floors, exposed concrete ceilings and openable windows throughout.

The building was net zero carbon construction on completion and has achieved LEED Platinum, BREEAM Outstanding, EPC Rating ‘A’, WiredScore Platinum and AirScore Design & Operation Gold.



020 7101 2020

Knight Frank

020 7629 8171


Stations nearby

  • Old Street

    1 minutes' walk

  • Moorgate

    7 minutes' walk

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