Jobs in Belgrave

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 & 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 successful delivery of super-prime residential projects
* Manage the complete project lifecycle – programming, procurement, cost control, quality, health & safety and stakeholder liaison
* Lead and mentor site-based teams and direct labour
* Collaborate closely with in-house designers, quantity surveyors and the senior leadership team
* Report directly to a Director
* Maintain exceptional client relationships with UHNW individuals and their professional teams
About You
* Proven track record delivering super-prime or high-end prime residential projects in Central London (essential)
* Experience with a recognised main contractor or specialist high-end residential builder
* Strong technical knowledge of complex basements, structural alterations, historic/listed buildings and super-prime finishes
* Excellent client-facing and communication skills
* Formal construction-related qualification (degree, HND or HNC)
* Stability and longevity on previous projects highly regarded
What We Offer
* Opportunity to work on some of London’s most exclusive private residences
* Long-term career progression within a growing, well-funded business
* Highly competitive salary package (negotiable) + bonus scheme
* Comprehensive benefits package
* Direct reporting line to Director level and genuine influence on high-profile projects
If you have the experience and ambition to deliver exceptional super-prime residential projects with Castellum, we would like to hear from you.
Apply with your CV today