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City Gate S1

Sheffield

Project Details

£10m to £49.99M

New Build

Practice

Bond Bryan Architects

Rockingham Court , 152 Rockingham Street , Sheffield , S1 4EB

The development is located on a prominent edge of city centre site with frontage onto the inner ring road at St Marys Gate, Sheffield. By creating a single visually related building block of an appropriate city scale, the development restores the continuity of the city centre urban form as seen from the ring-road and presents a gateway when approaching the city by terminating several important vistas. The mixed-use scheme provides offices and a hotel in two separate but linked multi-storey buildings, with a shared podium containing entrance lobbies and car parking. The layout responds to the site conditions by orienting the office element of the scheme to the prominent but noisy St Marys Gate, with the hotel element facing Young Street. The raking form of the building against South Lane follows the profile of the site boundary, optimising the office floor plates and addressing distant views via extensive floor to ceiling curtain walling. The orthogonal nature of the other elevations reinforces the historic urban grain using large punched windows in a terracotta tiled rainscreen cladding, blue-grey for the offices and a smaller scaled red for the hotel to reinstate the streetscape along Young Street. The shared podium is also clad in terracotta with open baguette louvres to the parking. Triple height glazed entrance lobbies at the prominent corners have dramatic cantilevered overhangs giving protection to entrances. The office building comprises 8 floors sitting above the car park podium including a set-back penthouse. The office floors are designed for maximum flexibility allowing subdivision into a variety of suite sizes with direct access to the central core. The hotel block provides 122 hotel rooms arranged on 9 repeated floors over a podium lobby floor of shared facilities including the main reception, bar, restaurant and kitchens. Escape stairs located to give enclosure to the courtyard are clad in perforated aluminium to give screening yet still allow light to penetrate to the central planted green roof. As well as providing a visual amenity for the hotel, it works to control speed of rainwater run-off on a densely built up site. Plant species were carefully selected to provide an interesting and bio-diverse roofscape. The building has a concrete framed podium and cores with steel framed office block. The hotel rooms were entirely prefabricated in 83 self-supporting steel framed modules weighing up to 16 tonnes, which were craned onto the podium structure in only 13 days.