Which Demolition or Excavation Contractor Should You Choose in South London?

P. Colohan is a multi-disciplined construction contractor specialising in basement works, groundworks, and concrete framing. With 52+ years of experience, we deliver high-quality projects across London and the Home Counties, serving residential, commercial, and healthcare sectors. Our 100% CSCS-compliant team handles contracts up to 10 million, combining technical expertise with a strong focus on safety and client satisfaction.

Bon Groundwork provides comprehensive groundwork solutions across Kent and Medway, specialising in foundations, drainage, basement excavations, and commercial projects. Established in 1979, our experienced team delivers end-to-end services including excavation, structural refurbishments, and hard landscaping. We serve domestic and commercial clients with a focus on quality, safety, and value engineering.

Mostrim Groundworks delivers dependable groundworks and civil engineering solutions across residential, commercial, and educational sectors. We specialise in foundations, drainage, roads, and infrastructure, prioritising safety, quality, and timely delivery. Our experienced team and trusted network of suppliers ensure projects meet exacting standards.

Thames Dismantling is a Surrey-based demolition contractor with over 30 years of experience. We specialise in residential and commercial demolition, asbestos removal, site clearance, and on-site crushing. Our services prioritise safety, environmental sustainability, and client satisfaction, with 98% of materials recycled.

RC Structures & Basements Ltd delivers specialist construction services in reinforced concrete frames, basement construction, and groundworks across London and the South East. With over a decade of experience, our in-house team utilises advanced techniques and maintains rigorous safety standards through industry accreditations. We serve both private and commercial sectors, offering end-to-end solutions through strategic partnerships and group companies to meet diverse project needs.