Business Details
26 Years
experience
Trusted Construction Services Northern Ireland
Established in 2000, O'Neill Construction has dedicated over two decades to delivering premium construction solutions across Northern Ireland. Our expertise spans new builds, property extensions, commercial developments, and the meticulous restoration of listed buildings, serving diverse clients from residential homeowners to dental practices and health clinics. Owner Terrence O'Neill brings a rich heritage of over 30 years in construction, refined through hands-on experience in traditional building techniques and modern project management. His specialist knowledge in dry rot treatment, damp prevention, and period property restoration complements our capability in new build dwellings and commercial projects. As a Chartered Builder accredited by the Chartered Institute of Building (CIOB), we uphold the highest standards of craftsmanship and professionalism.Our NHBC membership ensures all new builds come with a 10-year guarantee, while our in-house resources for labour, plant, and materials guarantee project efficiency. Client testimonials highlight our attention to detail, minimised disruption, and exceptional service, exemplified in recent projects converting heritage buildings into functional spaces like dental practices and design shops. We specialise in steelwork support, architectural drawings, and tailored extensions that enhance living spaces with contemporary features. Our workforce combines flexibility with expertise to handle projects ranging from minor repairs to major refurbishments, consistently meeting deadlines without compromising quality.
Services
New Builds
Restoration
Commercial Projects
Extensions
Heritage Building Repair
Details
- Year established: 2000
Highlights and features
- We hold NHBC accreditation with 10-year guarantees on new builds
- Chartered Builder status with specialist expertise in listed building restoration
- Owner with 30+ years' experience spanning traditional and modern construction
- All projects completed with minimal disruption to client properties
- In-house resources for complete project management from design to finish
Associations and certifications
- Chartered Institute of Building (CIOB)
What people say
Highest craftsmanship
Fantastic customer service
Eye for detail
Least stressful project
Professional support
Services
New Build
Specialist new build construction with NHBC 10-year guarantees. Our team manages complete projects from foundations to final fittings, using brick, stone, K-Rend and modern materials. With over 50 completed homes and commercial properties, we deliver contemporary designs tailored to client specifications while maintaining traditional craftsmanship standards.
Listed Building Restoration
Expert restoration of period properties and listed buildings. We employ traditional techniques for masonry repair, staircase restoration, and damp prevention while incorporating modern efficiency solutions. Recent projects include converting historic buildings into functional dental practices and design studios while preserving architectural integrity.
Commercial Construction
Full-spectrum commercial construction services including property alterations, steelwork installations, and complete refurbishments. Our workforce handles projects from minor repairs to major developments in healthcare, hospitality, and retail sectors, ensuring minimal business disruption during works.
Extensions
Custom property extensions using structural steelwork and architectural drawings. We create seamless additions ranging from light-filled conservatories to multi-room expansions, maintaining original building aesthetics while incorporating modern features like folding doors and skylights.
Period Property Repair
Specialist maintenance for older buildings, including dry rot treatment, repointing, and timber restoration. Our methods combine traditional craftsmanship with modern preservation techniques to address damp issues and structural decay in historic properties.
People
Terrence O'Neill
Managing Director
With over 30 years' experience, Terrence combines traditional building skills with modern project management. A Chartered Builder (CIOB) holding diplomas in Construction Management and Site Management, he specializes in historic restoration and new build developments across Northern Ireland.
Questions
What construction services do you offer in Northern Ireland?
We specialise in new builds, property extensions, commercial development, and historic building restoration projects across Northern Ireland.
Are your new builds covered by guarantees?
All new developments carry NHBC 10-year structural guarantees as standard through our accredited membership.
Do you handle listed building restoration projects?
Yes, we have specialist expertise in restoring period properties and listed buildings using traditional techniques.
How long has your company been operating?
We've delivered construction services since 2000, with owner Terrence O'Neill having over 30 years' industry experience.
What commercial construction experience do you have?
Our portfolio includes hotel renovations, dental practice conversions, and healthcare facility developments completed on time and with minimal disruption.
Do you provide architectural design assistance?
We offer steelwork support and architectural drawing services to ensure seamless integration of extensions with existing structures.
