John O’Neill & Associates, Architects and Interior Designers Ltd., is an architectural practice established in 1990 by John O’Neill and Ros O’Loughlin, both graduates from the School of Architecture at University College Dublin. The practice has developed a reputation for innovative contemporary design in a wide range of projects with many awards and much media coverage.

Mission Statement!
John O’Neill & Associates, Architects and Interior Designers Ltd. applies the same forensic examination of the issues involved in each new project to ensure the realisation of the best unique solution.


We are working on an exciting new Guest House project at 73 Lower Baggot Street. This project includes a reuse of the existing protected Georgian Building for the public functions of reception, breakfast area and lounges with new bedroom accomodation in a contempory new building fronting onto the Grand Canal.


We are awaiting planning permission for a multi-storey apartment development on the site of a single-storey licensed premises in Neilstown, West Dublin

Domestic Extensions and Renovations near completion


Intensive Green Roof at the Skylon Hotel, Dumcondra Road Upper, Dublin 9 at Tender Stage.


Detailed design is ongoing with anticipated start on site in July 2023


Granted split-level private residence in Mullingar, at tender stage.


We are awaiting planning permission on a back-lands residential development in Irishtown, Dublin 4


Detailed design is progressing on a project that involves additional floors to an existing building in Salt Hill, Co. Galway.


Feasibility study for additional floors at the Skylon Hotel.