4Site are seeking an experienced Senior Quantity Surveyor to join our client, a high-end residential main contractor based in South West London. This is a fantastic opportunity to join a well-established business with an excellent reputation for delivering luxury residential refurbishments and new builds across prime London postcodes. The company prides itself on a collaborative team culture, strong project pipeline, and commitment to quality craftsmanship. The Role: As Senior Quantity Surveyor, you will take full commercial responsibility for a number of high-end residential projects, typically ranging from £2m–£10m in value. You’ll oversee and mentor two mid-level Quantity Surveyors and report directly to the Director. Your key responsibilities will include: Overseeing all quantity surveying duties across multiple live projects Contract administration and strong working knowledge of JCT contracts Cost planning, procurement, tendering, and subcontractor management Attending progress and commercial meetings with the Director and site teams Monitoring budgets, valuations, variations, and final accounts Managing and supporting junior QS staff and helping develop their careers Requirements: Minimum 8+ years’ experience as a Quantity Surveyor Background in high-end residential construction essential Proven experience managing multiple projects and mentoring junior QS staff Strong...