Trusted London Contractors for Lofts, Basements & Extension Projects
Over 20 years of delivering premium residential builds with full project management
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About Us
Cub3d Construction is a London-based contractor specialising in loft conversions, extensions, basements, and high-end refurbishments. Fully insured, warranty-backed, and supported by reliable in-house teams, we work closely with architects and developers across the city on high-spec residential and mixed-use builds.
Our Work
