S J Donnelly

Established in 2005, S J Donnelly has grown from a one-man operation into a trusted provider of external wall rendering and insulation services. Our director, Sam Donnelly, brings decades of industry expertise to every project, ensuring work is completed reliably, professionally, and with meticulous attention to detail. As TrustMark Approved and CHAS Accredited specialists, we adhere to the highest standards of quality and safety while serving clients across Rugby and surrounding areas. With over 20 years of combined experience, we specialise in energy-efficient solutions that reduce heat loss by up to 40%, offering custom finishes including silicone, brick effect, and acrylic renders. Our commitment to excellence extends to using modern materials and techniques that enhance property value while minimising disruption to occupants.

We serve both homeowners and housing associations, delivering tailored insulation projects that improve comfort, lower energy bills, and extend building lifespans. Our gallery showcases completed projects demonstrating technical proficiency and aesthetic versatility across diverse property types. Backed by memberships in the National Insulation Association, we maintain industry best practices while providing approachable, solution-driven service. Whether upgrading a single residence or managing large-scale developments, our team treats every project as if it were our own, ensuring long-lasting results that meet individual client needs.