John O’Neill & Assocs, 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 & Assocs, 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. 

Covid-19 Update

We are taking all the necessary procautions to protect our employees and our clients as directed by the HSE and in the meantime we are still providing our full service to all our clients.  We at JONA hope all of our clients and suppliers are safe and well during these trying times and look forward to seeing you all soon.



Work on the striking referbishment and extension to a house in Mount Merrion, County Dublin is nearing completion.


Annie May's new contemporary bistro in Newcastle, Co. Dublin has been a great success and is ready for life after lockdown.  As well as refurbishing the existing building we designed a large airy extension for the bistro.


Construction is finished on two new mews houses on Garville Lane in Dublin 6.



The refurbishment of the Ringsend Irishtown Community Center has been well received by all.


We have finished Phase II of our refurbishment works at the Skylon Hotel, Drumcondra. The new look to the hotel has been favourably received by all.


Work on a development of 52 Apartments and 16 houses on the Coast Road in Raheny, Dublin 5 is completed and we are well underway with the construction of an additional floor on each of the two appartment blocks fronting onto Howth Road.