Balfron Tower

Challenge: Retrofitting a listed post-war concrete tower posed major technical constraints. The project needed to reduce thermal bridging, improve airtightness, and achieve BREEAM Excellent ratings – all while preserving the exposed concrete façade, original fenestration patterns, and slim sightlines integral to Goldfinger’s design. Integrating modern performance within these heritage parameters required delicate coordination and precision detailing.

Solution: Thermally broken aluminium window systems incorporating high-performance double glazing were introduced, delivering improved insulation, acoustic performance, and solar control. The glazing solution was carefully selected to maintain the building’s original proportions and visual rhythm, while significantly lowering heating demand and supporting the building’s long-term sustainability goals.