3 Assembly Square
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Cardiff Waterside Download Original
Office building located ajacent to the National Assembly for Wales' Senedd Building, forming part of the Cardiff Bay Waterside Estate
The 6,155m2, five-storey building delivers a flexible design and at the time of its completion was Wales’ largest eco-friendly speculative office development.
Client, Aviva Investors required a ‘statement building’ designed to be exemplar, in terms of architecture, sustainability and as a commercial office development.
The building, which features a biomass boiler, chilled beams and rainwater harvesting, achieved a BREEAM rating of ‘Excellent’ six months before practical completion, with a score of 75.52 and was commended in the BREEAM Awards Wales 2009.
The atrium features a sculpture by artist Claire Morgan called ‘Pressure Makes Diamonds’, which uses coal and iron to represent the industrial history of Cardiff Docks.
Data
- Begun: Nov 2007
- Completed: Jun 2009
- Floor area: 7,550m2
- Sector: Office
- Total cost: £12M
- Funding: private
- Tender date: Jul 2006
- Procurement: Design and Build
- CO2 Emissions: 38kg/m2/year
- Address: Britannia Quay, Cardiff Bay, Cardiff, CF10 4PL, United Kingdom
Materials 
Professional Team
- Architect: Scott Brownrigg
- Client: Aviva Investors
- Developer: Cardiff Bay Partnership
- Project manager: Michael Edwards
- Quantity surveyor: Davis Langdon LLP
- Structural engineer: Arup
- M&E consultant: Arup
- Main contractor: BAM Construction
