West London & The West End — Are you looking to unlock the hidden value of your property? We are the leading basement conversion specialists serving West London (Kensington, Chelsea, Fulham, Notting Hill) and the West End (Mayfair, Marylebone, Soho).
From fixing a leaking cellar to creating a high-end basement fit-out, we provide a seamless, professional service that transforms damp underground spaces into luxury living areas.
Get a Free QuoteWe install high-performance Type C Cavity Drain Systems and Type A Barrier Tanking to ensure your home stays 100% dry.
Professional removal of old, failed waterproofing and debris to prepare for a modern, engineered solution.
Essential flood protection for London properties, featuring dual-pumps, battery backups, and high-water alarms.
We handle everything from moisture-resistant drylining to Part F compliant ventilation (MVHR), creating healthy, breathable living spaces.
We work closely with Heritage Trusts and conservation officers to ensure sympathetic basement works in historic West End properties.
We coordinate directly with Chartered Surveyors and Party Wall Surveyors to manage the legal and structural complexities of London terrace and semi-detached homes.
Expert teams who specialise in each area to get the project done from start to finish.
Total peace of mind for you and your mortgage lender with 10–20 year guarantees on all structural waterproofing.
We manage all Building Control applications, ensuring your new gym, cinema, or home office meets every UK safety standard.






















Stop searching for "basement companies near me" and work with the experts who understand West London's unique architecture.