Join Sale Group, one of the largest family-owned building services specialists in the South East. Since 2000, we've built a strong reputation delivering high-quality mechanical, public health, HVAC, plumbing, heating, ventilation, and maintenance services on prestigious commercial projects – including office fit-outs (CAT A & CAT B), refurbishments, fast-track installations, and specialist schemes across London and the Home Counties. We're expanding our highly respected in-house pre-construction and estimating team and now seeking an experienced Mechanical Estimator / Senior Estimator (or M&E Estimator) to drive competitive, accurate tenders and support our continued growth. About the Role As a key member of our dynamic pre-construction team, you'll prepare detailed cost estimates for mechanical building services projects from initial tender through to handover. You'll work closely with our sales, design/CAD, and project delivery teams on varied, high-profile commercial work in a supportive, family-feel environment. Key Responsibilities * Produce accurate, competitive cost estimates for mechanical systems including HVAC, plumbing, heating, ventilation, pipework, ductwork, and associated services * Review technical drawings, specifications, BOQs, and tender documents to identify scope, risks, opportunities for value engineering, and cost savings * Source and negotiate best-value quotations from suppliers and subcontractors * Collaborate with the sales team to create compelling bid proposals and high-quality tender submissions * Support client presentations, technical clarifications, and occasional site surveys/visits * Maintain and develop our cost databases, benchmarks, and historical pricing data What We're Looking For Essential * Proven track record as a Mechanical Estimator, M&E Estimator, Building Services Estimator, Quantity Surveyor or similar in the construction/building services sector * Strong technical knowledge of mechanical systems (HVAC, plumbing, heating, ventilation, pipework, ductwork) * Confident reviewing mechanical drawings, specifications, and BOQs * Excellent numerical, analytical, and attention-to-detail skills * Strong negotiation, communication, and team-working abilities Desirable * Experience using estimating software * Background in fast-track office fit-outs, refurbishments, or commercial M&E projects * Familiarity with current UK building regulations, industry standards, and value engineering approaches Why Sale Group? * Work on diverse, interesting high-profile projects with a company that's big enough to support but small enough to care * Join a stable, family-owned business with a fantastic reputation for quality and delivery * Supportive team culture with real opportunities for professional development * Competitive salary (£65K–£85K) + attractive benefits package (to be discussed at interview) If you're a proactive, detail-focused Mechanical Estimator with solid building services experience and want to take the next step with a trusted name in mechanical services, apply now