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Barr Gazetas completes office eco-retrofit

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Central London-based Barr Gazetas has completed this transformation of an office in Regent Street


The ‘cut-and-carve’ 4,270m2 retrofit project has ’rationalised and extended’ two Grade II-listed buildings in the famous London street to provide shops, offices and a restaurant.

The two existing office buildings, which had different floor plates, celing heights and facades, were combined to form one large open plan office space.

A new glass-fronted lobby and entrance was also added to the scheme.

The 11-storey scheme achieved BREEAM Outstanding with a score of 94 per cent making it the highest scoring office building in the UK.

The mixed-use scheme is part of the Crown Estate’s £1 billion transformation of Regent Street and the surrounding area.

7 Air Street by Barr Gazetas

7 Air Street by Barr Gazetas

Ground Floor Plan

Project data

Location Air Street, London
Type of project office
Client Crown Estate with Norges Bank Investment Management (NBIM)
Architect Barr Gazetas
Structural engineer Watermans
M&E engineer AECOM
Quantity surveyor Sweett Group
Planning consultant CBRE
Conservation advisor Donald Insall Architects
BREEAM consultant Waterman Energy, Environment & Design
Main contractor Sisk
Project manager Buro Four
Interior designer Barr Gazetas
Gross internal floor area 4,270m2

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