Construction Services

O’Neill Construction specialise in construction of new and existing dwellings, building extensions and commercial sites, and restoration of listed buildings for customers throughout Northern Ireland including dental practices, health clinics and hotels as well as residential home owners.


O’Neill Construction have been developing new homes for more than 16 years. As a member of the National House-Building Council (NHBC) all of our new builds are covered by a 10 year guarantee.

With construction work completed on over 50 new homes and commercial properties O’Neill Construction are confident that they have the expertise to move your project forward from design stage to completion.

Having completed dwellings in stone, brick, K-Rend and Webber, O’Neill Construction have a vast experience in working with a wide range of building materials.  O’Neill Construction also  have the resources in place to supply labour plant and materials.

If you are interested in building a new home, or have a plot of land for which you are seeking new construction planning approval contact O’Neill Construction for honest advice and a competitive price.


O’Neill Construction have a passion for brining old buildings back to life.  Having spent most of his early career working on restoring listed buildings, Terrence O’Neill and his team have a wealth of experience working on restorations.

Property restoration is a delicate process and O’Neill Construction have a huge admiration for the old building techniques and crafts. From stone, brick or render to roof and flooring restorations, O’Neill Construction can restore any building back to its original glory.

O’Neill Construction building experience in the refurbishment of period properties has led to various opportunities in the commercial and home refurbishment industry. A few most recently completed projects were converting a old house to a dental practice and an old house into a interior design shop.


As commercial building contractors, O’Neill Construction work throughout Northern Ireland undertaking projects such as property extensions, commercial property alterations, roof installation and maintenance, steelwork and demolition services.

O’Neill Construction provide professional, quality workmanship and value for money that their client base demand. Their workforce has the flexibility and experience to undertake building projects ranging from minor repairs and maintenance to major refurbishments, specialist projects and construction works.

Always finishing on time, as planned and with no disruption to the client’s business, O’Neill Construction have completed a range of commercial projects for  hotels, health centres, dental practices and apartments.


If you are planning to expand your living space O’Neill Construction can provide a range of building services to help create the extension you desire. Whether it’s a ground floor extension using steel work to support existing walls or a small building extension to let in more light, the builders at O’Neill Construction are able to create the right extension that promises to marry in to existing buildings.

Perhaps you wish to add bespoke folding doors or large skylights to your living space to give it a bigger, lighter, more contemporary feel. You can rest assure that O’Neill Construction extension services cover all those aspects and details, necessary for a successful extension project with no disruption to everyday living.

O’Neill Construction provide steel work to support existing walls and as well as architectural drawings to ensure that your home is completed to your specifications.

What They Are SayingTestimonials

  • "We used O’Neill Construction for building an extension onto our new home. Would highly recommend them. Very high standard of craftsmanship and fantastic customer service"

    David Reaney, Home / Dental Practice Owner

  • "It was a pleasure working with O'Neill Construction on this positive and rewarding project – one of the least stressful largely due to their support and help and eye for detail."

    Ivan Holmes, Architect