About OLOS
New Homes

Well established house builders in Cork.

O’Leary & O’Sullivan Developments Ltd. (OLOS New Homes) are well established house builders in Cork for the last 25 years.Over that time the company has grown dramatically in both size and reputation.

We specialise in building high-quality A-rated homes in the greater Cork area. Spanning, Fermoy, Kilworth, Midleton, Ballincollig, Blarney and across Cork City. We have built our reputation due to our unique client interaction combined with our hands-on approach to all our projects.

Ard Abhainn Nua
House Builders in Cork OLOS New Homes
House Builders in Cork O Leary & O Sullivan Developments Ltd

Ard Abhainn Sales Manager

Donal Cronin



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House builders in Cork
House builders in Cork

A-Rated House Builders in Cork

Above all, at OLOS New Homes we continue to build a strong reputation. Our focus is on growing the structure of the business to deliver in new and innovative ways. We will continue to strive for quality on all our projects while providing modern contemporary homes throughout Cork.

OLOS New Homes are members of:

  • CIRI
  • The Homebond National House Builders Guarantee Scheme
  • The Irish Home Builders Association
  • Cork chamber of commerce

Visit www.olosdev.com for more details.

Other Developments
by OLOS New Homes
House builders in Cork

Cluain Ard

OLOS New Homes


OLOS New Homes

Glenn Rua

Professional Team


O’Leary & O’Sullivan Developments Ltd., T/A OLOS New Homes, Cluain Ard, Blarney, Co. Cork.


De Burca Greene Solicitors,
DBG Law, 1st Floor Classic House, Washington Street, Cork.

Consulting Engineers

O’Shea Leader, Consulting Engineers, 38, Eastgate Drive, Eastgate Business Park, Little Island, Cork.


Deady Gahan Architects, Eastgate Village, Little Island, Co. Cork

Contact us with any questions

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