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Gloucester Studios, Gloucester Avenue, London NW1

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This mixed-use refurbishment of a four-storey Georgian townhouse in Primrose Hill, previously used as offices, has two full site cover industrial sheds to its rear, flanking railway lines out of Euston

This refurbishment creates a mix of six residential units, from one-bed flats to luxurious three-bed courtyard lofts, along with two B1 work units, showing how industrial units on tight, landlocked sites can be re-used. High-specification fire ratings and acoustic performance are required from windows and the external envelope are achieved by using isolated internal wall linings, and in windows by using thermally-broken frames with secondary inner glazing and large interstitial void. Trains are therefore visible but inaudible.

Ben Knight, director, de Metz Forbes Knight Architects

Specified Products

Fire-rated windows/doors Forster UK, Presto 50 steel non-insulated profiles with 60 microns AkzoNobel Interpon Elements PPC colour ref 650 Sable. VetroTech Vetroflam Saint Gobain 28mm glass unit with 6mm toughened and coated inner, 16mm cavity, 6mm toughened and coated outer. All to provide 60 minutes integrity/15 minutes insulation, 33dB noise reduction and 1.4w/m2k centre pane U-value.

Non-fire-rated windows/doors Schüco UK thermally improved extruded aluminium profiles. System Schüco SC RS 65 and SC RS 120+ (Bi and Tri sliding door units), with 60 microns AkzoNobel Interpon Elements coating, colour ref 650 Sable with VetroTech Saint Gobain acoustic glass panels of 8.8mm toughened Planitherm Futur N outer, 10mm cavity, 8.8mm Stadip Silence inner, 45dB noise reduction and 1.4w/m2k centre pane U-value.

Secondary glazing Schüco UK Series SC RS 50N extruded aluminium profiles with 40 microns PPC to colour Ref RAL 9010, with 8.8mm clear laminated safety glass panels, perimeter powder coated aluminium profiles, acoustically sealed and packed with mineral wool insulation.

Flooring 22mm-thick, 230mm-wide engineered European oak floor boards with oiled finish by Campbell and Young Hardwood Flooring.

Roofing Eternit Thrutone slate tiles on Kingspan KS1000TS tile support insulated roof panels.

Cladding Strikolith silicon-based render with mortar backing and mesh-embedded plasticcoated glass fibre scrim on primer on Eternit Bluclad cementitious boards on lightweight Metsec structural frame.

Project details

Name of project Gloucester Studios, Gloucester Avenue, London NW1
Start on site September 2006
Completion November 2009
Form of contract JCT Intermediate Building
Contract (2005)
GIA 850m2
Construction cost £2.25 million
Client London Buildings
Architect de Metz Forbes Knight Architects
Structural Engineer Elliott Wood Partnership
Services consultant Peter Deer Associates
Cost consultant Edmond Shipway
Project manager Edmond Shipway
Annual CO2 emissions 23 kg/m2
Main contractor Cubitt


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Readers' comments (1)

  • Curious that there are large windows looking directly at and into the adjacent unit - no thought given to angling the windows to prevent living in a goldfish bowl? Note the opposite unit has heavy net curtains...

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