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Expert Civil Engineering & Landscaping Services in County Down
Demesne Contracts, a family-run enterprise based in Seaforde, County Down, Northern Ireland, has built a distinguished reputation in civil engineering and street works since its inception. Specialising in both commercial and private projects, we deliver high-calibre solutions ranging from road construction and resurfacing to bespoke landscaping for domestic clients. Our commitment to excellence is underpinned by a skilled workforce, modern machinery, and meticulous planning, ensuring every project meets exacting standards. With extensive experience in public sector groundwork projects, including drainage, kerbing, and play park developments, we combine technical expertise with environmental responsibility.

Our Safe T Cert accreditation and NEBOSH-qualified director reflect our prioritisation of health and safety, while our ongoing partnership with Montalto Estate exemplifies our ability to execute complex, ecologically sensitive schemes. By maintaining rigorous quality control and leveraging advanced technology, we have become a trusted partner for clients seeking precision and reliability in civil engineering and landscaping.
Services
Civil Engineering Road Construction Landscaping Drainage Works Play Park Development Kerbing & Resurfacing Pathway Construction Estate Groundworks
Highlights and features
  • We have extensive experience in both public infrastructure and private landscaping projects.
  • Our team utilises modern machinery and advanced safety protocols for optimal efficiency.
  • We hold industry-recognised Safe T Cert accreditation for construction safety.
  • Our NEBOSH-qualified director ensures rigorous health and safety compliance.
  • We implement environmentally responsible practices in all our civil engineering schemes.
Associations and certifications
  • Safe T Cert
  • NEBOSH
Services
Civil Engineering
We execute comprehensive civil engineering projects including road construction, drainage systems, and kerbing for public and private clients. Our expertise ensures durable, compliant infrastructure solutions tailored to project-specific requirements. With advanced planning and modern machinery, we deliver efficient, safety-focused outcomes across Northern Ireland.
Landscaping
Our landscaping services transform private estates and public spaces through bespoke hard- and soft-landscaping solutions. From pathway construction to lawned areas, we blend aesthetic appeal with functionality. Utilising site-specific equipment and skilled teams, we create sustainable, visually striking environments that enhance property value and usability.
Play Park Development
We design and construct safe, engaging play parks with durable surfacing and compliant safety features. Our projects integrate drainage solutions and accessible pathways to meet community needs. By collaborating with main contractors, we ensure timely delivery of family-friendly recreational areas that prioritise child safety and long-term maintenance efficiency.
Kerbing & Resurfacing
Specialising in road and car park resurfacing, we provide asphalt laying, kerbing, and line marking services. Our methods ensure smooth, skid-resistant surfaces with improved drainage. Using high-quality materials and precision equipment, we extend the lifespan of transport infrastructure while minimising disruption to users.
Pathway Construction
We create sustainable pathways and trails for estates and public areas, balancing ecological preservation with accessibility. Our process includes excavation, drainage integration, and durable surfacing. By minimising environmental impact, we deliver safe, aesthetically cohesive routes that enhance natural landscapes for pedestrians and cyclists.
People
Andrew Davidson
Director
Andrew Davidson, a director at Demesne Contracts, oversees operations with a focus on safety and quality. His leadership drives complex civil engineering projects, including Montalto Estate developments. With expertise in construction management and health and safety compliance, he ensures client satisfaction through innovative solutions and meticulous execution.
Questions
What areas do Demesne Contracts serve?
We operate throughout Northern Ireland, delivering civil engineering and landscaping projects in both urban and rural settings.
Are your staff qualified for construction projects?
Our team holds industry certifications including Safe T Cert, with our director NEBOSH-qualified in health and safety.
Can you handle both public and private projects?
Yes, we specialise in public infrastructure like roadworks and private commissions including estate landscaping.
How do you ensure project safety?
We conduct thorough risk assessments, use modern safety equipment, and maintain rigorous staff training protocols.
What machinery do you use?
We utilise tracked excavators, dump trucks, teleporters, and specialist attachments for efficient, precise operations.
Do you offer landscaping services for homes?
Yes, we provide bespoke domestic landscaping including patios, gardens, and driveway solutions.