Basement Conversions London
Expand your home safely with engineered basement conversions built for London conditions. Speak to our structural specialists now.
Bespoke Basement Conversions
At PMC, we specialise in transforming underutilised basements into bespoke, high-quality living spaces that add genuine value to your home.
In today’s market, expanding downward is often the most cost-effective way to increase square footage without the stress of moving. From initial structural waterproofing to the final architectural flourishes, our expert team manages every stage of your basement conversion with precision and care. We focus on maximising natural light and ceiling height to ensure your new floor feels like a seamless extension of your home.
Whether you envision a sleek home office, a private cinema, or a luxury guest suite, PMC combines technical excellence with innovative design to bring your subterranean vision to life.
Specialist Basement Services
At PMC, we provide a comprehensive, “turnkey” solution. We handle the complexities of subterranean construction so you can focus on the design of your new space.
Structural Waterproofing & Tanking: Utilising industry-leading Type A, B, and C waterproofing systems to ensure your basement remains dry, safe, and backed by long-term guarantees.
Basement Excavation & Underpinning: Professional structural engineering to lower floor levels or create entirely new footprints beneath your existing property.
Architectural Design & Planning: Full support with building regulations, planning permissions, and 3D floor plans to maximise natural light and head height.
Fit-Out & Interior Finishing: From high-end joinery and bespoke lighting schemes to professional plastering and flooring—delivering a “move-in ready” finish.
Mechanical & Electrical Systems: Installation of specialised basement drainage (sump pumps), smart home automation, and energy-efficient heating and ventilation (MVHR) systems.
Project Management: A dedicated site manager for every project to ensure timelines are met, budgets are respected, and communication is seamless.
Ready to see what’s possible beneath your feet? Contact the experts at PMC for a professional consultation and a competitive quote.