Senior Quantity Surveyor 20m Residential New Build | Main Contractor | Mill Hill About the Project A 20m Newbuild Residential Apartments. Design & Build contract with the Main Contractor holding full commercial responsibility. 18-month programme from mobilisation to practical completion with phased handover to client. The Role You will be the commercial lead on-site, accountable for: * Cost control, commercial management, and financial reporting throughout contract * Managing cost plan, tracking variations and claims, controlling subcontractor payments * Interfacing with client's quantity surveyor on financial and contractual matters * Monthly cost reporting, final account forecasting, and change control processes * Managing relationships with client QS and design team * Protecting the Main Contractor's margin through hands-on site attendance and financial discipline Essential Requirements * 7 years as Quantity Surveyor in Main Contractor environment * 3 years at Senior QS level on projects of £15M * Strong commercial acumen in cost planning, cost control, variations, and final accounts * Experience with contract administration under standard forms (JCT, NEC) * Proficiency in cost management software * Proven experience managing subcontractor payments and claims * Strong numeracy, attention to detail, ability to manage multiple cost streams Desirable * RICS membership (APC or MRICS) * Experience on Design & Build contracts or similar risk-transfer models * Familiarity with specialist procurement (MEP, façade, specialist fit-out) * Knowledge of film studio or specialist infrastructure What We're Looking For * Commercial sharpness — spot cost exposure early and present options clearly * Meticulous with numbers but pragmatic about delivery * Effective communication with subcontractors, clients, and internal teams * Ownership of cost control without becoming a bottleneck * Comfortable working independently but knows when to escalate The Offer * Salary: £85,000–£95,000 per annum (depending on experience and RICS status) * Contract: Permanent for project duration (18 months) with potential extension * Location: Mill Hill area, full-time on-site * Reporting to: Commercial Director * Start date: ASAP