Construction Project Manager – Super-Prime Residential London Division Castellum – Luxury Construction Specialists Castellum is an award-winning leader in super-prime residential construction, specialising in high-end residential new builds, refurbishments, Design & Build, and Main Contracting projects across prime London postcodes. Since 2003, we have delivered exceptional luxury residential homes with uncompromising craftsmanship, meticulous attention to detail, and a commitment to sustainability and absolute discretion. Our London Division focuses on prestigious, technically complex residential construction projects in exclusive areas such as Mayfair, Kensington, Belgravia, Knightsbridge, Chelsea, and Holland Park—including landmark new-build townhouses and apartments, major basement extensions, lateral conversions, heritage-listed refurbishments, full-gut renovations of period properties, and multi-level structural transformations. The Role We are seeking an experienced Construction Project Manager to lead super-prime residential projects in our London Division. As Project Manager, you will take full ownership of high-value luxury residential construction commissions, ensuring flawless delivery on time, within budget, and to the highest quality standards expected by ultra-high-net-worth clients, leading architects, and specialist consultants. You will manage the full project lifecycle from pre-construction planning and stakeholder coordination through to on-site execution, risk management, and successful handover, while prioritising health and safety, sustainability, and client satisfaction. Key Responsibilities * Lead super-prime residential construction projects, including new builds, basement extensions, lateral conversions, heritage refurbishments, and complete structural transformations in central London. * Manage stakeholder relationships with ultra-high-net-worth clients, architects, interior designers, structural engineers, and subcontractors to deliver visionary high-end residential designs. * Develop and manage detailed project programmes, budgets, procurement, and resource plans using tools such as MS Project or equivalent, ensuring adherence to timelines and commercial targets. * Oversee health and safety compliance, sustainability standards and heritage requirements. * Provide strong site leadership, supervising teams, managing subcontractors, and resolving complex technical, logistical, or neighbour issues to maintain project schedule and quality. * Deliver clear, discreet progress reporting and updates to clients and senior management (Quantity Surveyor / Project Director etc). * Integrate sustainable practices, including energy-efficient systems, low-carbon materials, and smart-home technologies. About You * Proven experience as a Construction Project Manager or Project Manager delivering super-prime / high-end residential / luxury residential projects in London (typically £multi-million value), with a strong portfolio in new builds, basement extensions, lateral conversions, or listed building refurbishments. * In-depth knowledge of luxury construction techniques, premium materials, bespoke finishes, and London-specific challenges (e.g., party wall matters, restricted access, heritage sensitivities, basement waterproofing). * Strong project management skills, including budget management, cost control, scheduling, risk management, change control, and resource allocation in complex urban environments. * Relevant qualifications (e.g., degree in Construction Management, Civil Engineering, or equivalent chartered/professional experience; desirable: PMP, CIOB, or similar). * Exceptional stakeholder management, communication, and leadership skills to build trust with elite clients and teams. * Proactive, detail-oriented, with a passion for delivering timeless luxury residential properties. Why Castellum? * Lead landmark super-prime residential projects in London’s most exclusive postcodes. * Join an excellence-driven team renowned for craftsmanship, sustainability, and discretion. * Enjoy a competitive salary, comprehensive benefits, and strong career progression opportunities. How to Apply If you are an experienced Construction Project Manager ready to excel working on the very best super-prime residential construction projects in London, please submit your application