DTA Architects is a design orientated practice with a commitment to and reputation for quality of architectural design and client service at all stages from initial brief definition to the delivery of completed buildings, ranging across various scales and sectors for both public and private clients. 

In particular, DTA Architects are recognised as a leading practice in residential design, advocating the highest standards in housing design as an essential long-term investment in sustainable built communities, with unique experience and particular expertise in high density urban/ suburban sites and typological innovation. DTA also have considerable experience in master-planning and urban design, with a successful track record with urban form, public realm and place making. 

A proven ability to deliver appropriate and sustainable design solutions for complex building programmes in challenging contexts, with an emphasis on tectonic clarity and rigour, underpins the Practice's work, as recognised in numerous AAI, RIAI, RTPI, UIA, IDI and other awards, including the AAI Downes Medal and the achievement of winning the RIAI Silver Medal for Housing on three occasions - Printworks Temple Bar (2001), Clarion Quay IFSC Dublin Docklands (2007) and Social and Affordable Housing at Santry Demesne Fingal (2015). 

The Practice is currently a nominee for the EU Mies van der Rohe Awards 2026, for Infill Housing and Rectory at Purser Gardens Dublin. 

Current work includes residential, cultural and mixed use developments in Dublin, Cork and Kildare.

The Practice, founded in 2005 by Niall Rowan and Derek Tynan (as an incorporation of Derek Tynan Architects established in 1991) and led by Niall Rowan with co-directors John Maguire and Leanne Martin, is RIAI Registered and holds RIAI PSDP Accreditation and RIAI Grade III Conservation Accreditation.

DTA Architects

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