🎉 Celebrating 20 Years of External Wall Insulation at S J Donnelly Ltd ! 🎉
This year marks a major milestone for us – 20 years of helping homes and businesses stay warmer, more energy-efficient, and environmentally friendly.
From our humble beginnings in 2005 when we became a limited company, we’ve grown into a trusted name in external wall insulation, proudly serving thousands of satisfied clients across the United Kingdom.
We want to extend a heartfelt thank you to our loyal customers, dedicated employees, and valued partners who’ve been part of our journey. Your support has been the foundation of our success.
Here’s to two decades of:
✅ Reducing energy bills
✅ Improving building performance
✅ Reducing carbon footprint
✅ Building a more sustainable future
We’re not just insulating walls – we’re building long-term trust.
