About Us
Our vision at O'Leary Architecture + Design is to provide a top-quality personalised service to each and every project: commercial, residential, leisure or retail. We have an established reputation for building commercial success with individual fit-outs for the hospitality sector. We are expert in residential design and bring personally tailored solutions to the design, construction, extension or renovation of the home. Our work stands out in big projects and small, from large-scale urban design and architectural projects to small-scale interior design. We have a proven reputation in planning, conservation, legal and project management services. We are passionate about great design that will build your business or your home, with solutions exactly fine-tuned to fit your needs and budget.

O’Leary Architecture + Design has successfully completed many commercial building and interiors projects such as: The Elm Tree, Glounthaune; O’Sullivan’s Bar, Douglas; Courtwood Residential Estate, Rochestown; Flannery's Pub, Limerick; Leeside Leisure, Winthrop St. Cork and Collins Bar in the Carrigaline Court Hotel – as well as many residential projects.

Registered Architects

Under the Building Control Act 2007, the RIAI acts as the registration body and competent authority for architects in Ireland. The consumer is protected by requiring anybody using the title architect to be registered with the RIAI. Derek O'Leary is a member of the Royal Institute of the Architects of Ireland since 1997 and is an architect on the RIAI Register. As well as being a qualified Architect he is also a qualified architectural technician, project manager and architect accredited in Conservation Grade III.
For more information on registration visit www.riai.ie


  • - Commercial
  • - Residential
  • - Tourism & Leisure
  • - Retail
  • - Industrial
  • - Health
  • - Sustainable Design
  • - Building Conservation
  • - Accessibility
  • - Disability Access Certificates
  • - Planning advice, applications and appeals
  • - Feasibility Studies
  • - Master Planning
  • - Urban Design
  • - Shopfronts
  • - Fire Safety Certificates
  • - Legal and Expert Witness
  • - Licensing
  • - Re-design advice
  • - Distressed Properties

  • Interior Design
  • - Bars
  • - Restaurants
  • - Hotels
  • - Nightclubs
  • - Leisure
  • - Retail
  • - Offices
  • - Showhouses
  • - Residential
  • - Exhibition design
  • - Design advice service

  • Project Management