• 21 November 2011

Q2, Regent Street

The former Quadrant Arcade comes to the fore as the prestigious restoration of Regent Street continues at Q2.

Works to a block of buildings known as Q2 is a mixed-use refurbishment that will retain a majority of the Grade II listed buildings and façades, including the Quadrant Arcade.

Waterman’s current involvement in the scheme is to provide leading structural engineering services to parts of four of the buildings within Q2. Works have commenced to the southern region of the block at Adia House and Air Street whilst Quadrant House and the Regents Arcade are still currently occupied by tenants. It is expected that as leases expire further phases will be carried out to refurbish other retail units and offices above the current buildings.

The works to the Air Street building involve the removal of a basement mezzanine floor to provide a single basement retail area, the current floor levels were considered too shallow for trading and were used for plant and storage. The rear areas have required the introduction of a horizontal support system to replace the buttressing effect of the removed floor which supports the perimeter retaining walls.

In addition a new stair core and lifts to provide access for goods are being installed. The works include allowances for a possible new office core to be built in the future and considerable repairs to re-establish the integrity of the structural floors which have been altered considerably since the building was constructed in the 1920’s.

The structural works have required investigations to re-establish the structural framing and back analysis of the design. Historical records of steelwork design parameters from the 1920’s have been used in checking the existing structure where this is affected by the new proposals.
The works on this phase are due for completion in the third quarter of 2011.

Reviews of the tenant fit out proposals are also underway on behalf of the Landlord; The Crown Estate. The onward proposals state electricity, hot and chilled water will be provided from the energy centre in Q3, which is designed to serve all the Quadrant Buildings (subject of a previous article in edition 2011(1)).

The Crown Estate’s ambition for the Quadrant scheme focuses on three key objectives – improving the whole of the area as a public space; contributing to a flourishing city; and conserving and enhancing the built environment.

David Shaw, Head of Regent Street Strategy and Development said: “The Quadrant is rightly regarded as one of the most visually striking areas of our capital. The thoughtful and sensitive redevelopment of this area will secure and improve its long-term viability. The massive investment that The Crown Estate is making will help to maintain Regent Street’s position as a unique international destination, both for business, retail and people, for many years to come.”

W4, Regent Street

Block W4 comprises 50,000ft2 of prime retail space and 140,000ft2 of contemporary offices in the heart of the West End.

w4_int1The block which sits in the middle of The Crown Estate realm, half way between Oxford Circus and Piccadilly will include new office and retail buildings behind the retained Regent Street façade.

The development is a sensitive mix of preserving the architectural character and the insertion of high quality modern buildings. Appointed as the structural engineers, Waterman investigated interface details between the new structure and the retained façade; working alongside the architect AHMM we developed the design of structural works which included the insertion of new glass façade, reconstruction of chimneys and retention of the historic vaults.

The scheme represents the next phase of Regent Street’s investment programme and work is set to start on site in the second half of 2011, with completion expected
in 2013.

In addition, 46 new homes associated with the W4 scheme will be provided offsite at Mortimer Street and Ogle Street, within the vicinity of Regent Street; 22 of these will be high quality affordable family homes.

Regent Street, Crown Estate Development

The Crown Estate appointed Waterman to a consultancy framework for the provision of structural engineering services.

The property from Oxford Circus to Piccadilly Circus is owned by The Crown Estate. Since the turn of the millennium, The Crown Estate has embarked on a major redevelopment programme in Regent Street and some of its side streets.

Early 20th century offices, which typically have many corridors and small individual offices, are being replaced with modern, flexible open plan accommodation. Some of the smaller shops are being replaced with larger units. This is being achieved by completely stripping out the interiors and rebuilding behind retained façades.

Every building in Regent Street is protected as a listed building of at least Grade II status, and together they form the Regent Street Conservation Area.

All buildings on Regent Street are given block numbers and are named in relation to the side of the street they are on. If on the Westside they would be ‘W’… and on the Eastside they are named ‘E’.. number 1 starts from Piccadilly Circus and goes up Regent Street.

Today Regent Street is one of the renowned shopping streets in London’s West End.

 

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