Senior Mechanical Estimator Location: Surrey / London Salary: £60,000 - £80,000 DOE Job Type: Full-time, Permanent Sector: Mechanical Building Services | HVAC | Plumbing | Fit-Out The Company A well-established, family-owned Mechanical Building Services contractor delivering pure mechanical packages up to £6m. The business operates across commercial office fit-outs (CAT A & CAT B) as well as healthcare, leisure, retail, heritage, and specialist environments, with a strong and growing order book. The Role An experienced Senior Mechanical Estimator is required to take ownership of mechanical-only tenders, producing accurate, competitive pricing across HVAC, plumbing, public health, and associated systems. This role suits a technically strong estimator who can price from first principles and contribute to winning work. Key Responsibilities Prepare detailed mechanical tenders ranging from £100k to £6m Carry out full quantity take-offs from drawings and specifications (AutoCAD / Revit) Build accurate rates from first principles (labour, plant, materials, subcontractors) Source, analyse, and negotiate supplier and subcontractor quotations Price mechanical systems including HVAC, pipework, ductwork, AHUs, chillers, boilers, pumps, valves, insulation, and BMS controls Produce BOQs, cost plans, budgets, and value engineering options Support bid submissions, technical clarifications, and client meetings Attend site surveys when required to validate tender information Identify commercial risks and opportunities and report accordingly Essential Requirements Minimum 5 years' experience as a Mechanical Estimator / Senior Mechanical Estimator Strong background in mechanical building services contracting Proven experience pricing pure mechanical packages Solid technical knowledge of HVAC, heating, ventilation, plumbing, and public health systems Ability to read and interpret mechanical drawings and specifications Strong commercial awareness and numerical skills Confident communicator, both internally and client-facing Experience using estimating software (Conquest, Trimble, Estimation, Cymap or similar) Desirable Experience working on CAT A / CAT B fit-out projects HNC / HND / Degree in Mechanical Engineering or Building Services Package £60,000 - £80,000 per year (DOE) Company pension On-site parking Long-term role within a stable, growing business Immediate interviews available. Apply now with your CV to be considered.