Seaview Developments Ltd is an award-winning, family-run construction company based in Bellaghy, Northern Ireland, known for its commitment to quality, integrity, and exceptional craftsmanship.

With decades of combined experience, brothers Seamus and Sean Woulahan lead the business with a forward-thinking and hands-on approach. Both have spent over 30 years in the construction industry, successfully managing and delivering a wide range of high-end residential and commercial projects across Northern Ireland.

At Seaview Developments, we take pride in blending traditional building expertise with modern methods of construction. Our projects are designed and delivered with a focus on sustainability, energy efficiency, and long-term value, ensuring every development meets the highest environmental and performance standards.

Recognised for our attention to detail and innovative approach, Seaview Developments has built a reputation as one of Northern Ireland’s leading construction companies, trusted by homeowners, developers, and commercial clients alike.

Whether you’re planning a bespoke home, a residential development, or a commercial build, our award-winning team has the experience, skill, and dedication to bring your vision to life, on time, on budget, and to the highest standard.