Number Four Capital Quarter is an eight storey landmark office development in the heart of Cardiff City Centre's Enterprise Zone.

Number Four is the newest office building at Capital Quarter. The building provides 96,873 sq ft of superior office space, incorporating a central atrium, high quality reception and roof terrace. The property benefits from a concierge service, secure cycle storage, male and female changing and shower facilities and secure car parking provided in the Capital Quarter multi storey car park. Occupiers have 24 hour access, 365 days a year. The part 5th floor is the only space remaining, the other floors being occupied by Sky, Geldards Law Firm and Optimum Credit. The building incorporates the occupational density of open floor plates to suit the current and future needs of modern office occupiers with Cat A specification including heating / cooling system for 1 person per 8 sq m.