Find 5 Demolition & Excavation Contractors You Can Count On in South London

P. Colohan are specialist construction contractors operating since 1972, delivering basement, groundwork, and concrete frame projects across London and the Home Counties. With expertise in complex developments up to 10 million, we prioritise safety compliance and client satisfaction through a skilled workforce and proven project management.

Bon Groundwork provides comprehensive groundworks services across Kent and Medway. With over 40 years' experience, we deliver foundations, drainage systems, basement constructions, and commercial groundwork projects. Our ConstructionLine-accredited team operates from Orpington, serving Bromley, Maidstone, Tunbridge Wells, and surrounding areas with precision-engineered solutions.

Mostrim Groundworks delivers comprehensive groundwork and civil engineering solutions across residential, commercial, and educational sectors. Specialising in foundations, drainage, and infrastructure since 2011, we combine 30+ years of industry expertise with CHAS and SMAS accreditations to ensure safe, timely project delivery. Our client-focused approach and investment in workforce development have earned multiple industry recognitions.

Thames Dismantling is a Surrey-based demolition contractor with over 30 years of experience providing safe, professional, and environmentally conscious demolition services. We specialise in residential and commercial projects, offering asbestos removal, site clearance, and on-site crushing. Our commitment to sustainability ensures 98% of materials are recycled, reducing landfill impact.

RC Structures & Basements Ltd specialises in reinforced concrete structures, basement construction, and groundworks for residential and commercial clients across London and the South East. We deliver multi-storey developments, bespoke projects, and infrastructure works using advanced techniques and a highly skilled workforce. Our services combine technical expertise with rigorous safety standards, supported by industry accreditations and a commitment to innovation.