Castellum is a privately-owned, award-winning principal contractor specialising in the construction, refurbishment and fit-out of London s finest private residences and luxury apartments. Founded in 2003, we deliver exceptional homes for discerning clients, architects and consultants, with a reputation built on uncompromising craftsmanship, complex structural work and the highest possible specification. Our projects typically involve landmark new-build townhouses and apartments, major basement extensions, lateral conversions, heritage and listed building refurbishments, and multi-level structural transformations in some of the capital s most exclusive postcodes. We operate with complete discretion and manage every project at Board Director level. We offer both traditional Main Contracting and turnkey Design and Build solutions, supported by in-house design and commercial teams. Castellum is a growing, well-funded business with a strong long-term pipeline of super-prime residential work across London and the South. The Role We are seeking an experienced Project Manager or Senior Project Manager to take full ownership of high-value super-prime residential projects from pre-construction through to handover and defects. You will lead the successful delivery of technically complex, high-specification schemes, working closely with ultra-high-net-worth clients, family offices, leading architects and specialist consultants. Key Responsibilities Full responsibility for the ..... full job details .....