Niamh O'Sullivan : Architectural & Interior Designer - Cork & Online

Dip Interior Design (distinction) 2009


B Eng Hons Civil & Structural Engineering , 1995 

Chartered Engineer C.Eng MIEI, 2004

Winner CIT / Enterprise Ireland PINC Program for Female Entrepreneurs, 2012

Blarney Person of the Year, 2011 for Voluntary Project Management  & Engineering Services to new Community Playground

Residential Architectural Design, Cork

Residential and Commercial Interior Design 

Online Interior Design - Ireland

Since founding Room Renovator in 2009, Niamh O’Sullivan has become one of the most sought after and reputable architectural & interior designers in Cork and Munster. Niamh is the only Interior Designer in Ireland who is also a chartered structural engineer, giving her a depth of design and construction knowledge and expertise unrivaled in the industry. She is also a professionally trained interior designer

Niamh has over 25 years of experience in the design and project management of  homes, buildings & developments of all kinds and her work has garnered several awards.

She now specialises in the design of home extensions & remodels, and in the interior design & fit out of homes and businesses to an extremely high standard.

Niamh looks at your home or premises from a completely holistic point of  view, taking into consideration by whom and how it is used, style, budget, natural light, hidden potential, etc. She is focused on providing personal and practical solutions that will work well now and well into the future.

Niamh has always had a passion for design, buildings and interiors and she loved drawing and creating from a very young age.

Niamh qualified with an honours degree in Civil & Structural engineering in 1995. She worked for a couple of large design firms in the UK and Australia before co-founding a successful consulting engineering company in Leeds in 2000. She returned home to her native Cork where she was head of structures and site development for Atkins Consulting Engineers. Her work there included design lead/project manager on a new bio-technology park, the new Limerick Greyhound stadium and the award winning refurbishment of Cobh Customs house to name but a few. Niamh became a chartered member of the Institute of Engineers of Ireland in 2004 and she continues to maintain her knowledge and skills in this area.

In her mid twenties, Niamh began renovating old properties and she designed and built her first new home aged 29. She obtained a Diploma in Interior Design - with distinction - in 2009 and has continued to help people with the renovation of homes and businesses since then.

Interior Design is an unregulated industry in Ireland, so many working 'interior designers'  have no relevant qualifications or supervised experience. They don't fully understand the principals of good design and thus make all of their mistakes on your time and money. Niamh is a professionally qualified Interior Designer and has years of relevant trusted experience.

  • Niamh O'Sullivan - LinkedIn
  • Niamh O'Sullivan - Houzz
  • Facebook

"We were delighted with all your ideas, they really helped us focus our plans.  We're going to go ahead now with the kitchen/living area conversion first.  We are going to stick to your design here, we're delighted with it and feel it will be a perfect fit for us & will be a really comfortable space to live in. I'm really looking forward to it! Thank you so much for all your help." -Cartriona Reardan, Bandon, Cork

"Niamh, the extension is wonderful.  We had everyone over for Laura's communion  and it was just fantastic to be able to entertain so easily. We make so much more use of the garden now as well. We couldn't be happier" - Philip and Mary O'Connell, Middleton

"Niamh, I wish I had met you years ago.  We have so much more space and so much more storage, without adding a single square foot. We cannot believe it is the same house. We are getting great use out of the new open plan kitchen-dining- living room and the master bedroom is divine. We won't do anything without you again!"

-Sheila Mc Sweeney, Ballincollig, Cork

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Room Renovator - Architecture / Interior Designer  - Cork & Online