Estimator Refurb / Planned Works / Net Zero / Fire Safety Tier 1 Contractor | Hybrid (Hertfordshire) A leading Tier 1 contractor is looking for an experienced Estimator to join their pre-construction team, supporting large-scale refurbishment, decarbonisation, and fire safety programmes across housing and public sector frameworks. This is a key role pricing planned works and compliance-led projects within occupied environments. Key Duties Prepare detailed cost estimates for labour, materials, plant, prelims & OH Price refurbishment, retrofit, and fire safety works Review drawings/specs and identify risks & value engineering opportunities Obtain and analyse subcontractor quotations Support bid strategy, adjudications, and tender submissions Work closely with design, commercial, and operational teams Experience Required Estimating background with a main contractor / Tier 1 Strong experience in refurbishment / planned works Knowledge of Net Zero / retrofit (fabric, insulation, windows, heating etc.) Experience with fire safety works (fire doors, compartmentation, FRA works, cladding) Framework, social housing, or public sector project exposure desirable Whats on Offer Long-term pipeline of secured programmes Major sustainability and compliance projects Hybrid working Career development within a structured Tier 1 environment