At North London Box Sash, we have completed a wide range of projects over the years. Our box sash case studies showcase some of our recent work, highlighting the quality of our craftsmanship and attention to detail. Our team of experienced professionals works closely with our clients to ensure that we deliver the best possible results for their period homes. We have a deep understanding of the architectural features of period properties and are committed to preserving their original style while incorporating modern energy-efficient solutions.