Senior Estimator – Building (London / Hertfordshire) Location: London or Hertfordshire – hybrid (up to 2 days homeworking) Contract: Permanent, Full-Time Salary: Up to £105k + benefits Security Clearance: SC clearance likely required About the Company Join a leading UK construction and development business delivering high-profile building projects across sectors including defence, MOD, and major commercial developments in Central London. Known for its technical expertise, quality delivery, and collaborative culture, this is an exciting opportunity to work on large-scale, technically complex projects. Role Purpose The Senior Estimator will develop tender information into robust and competitive cost estimates for major building projects, helping the business secure work and meet financial targets. You will also support preconstruction, framework, and target cost projects, providing expertise in risk and opportunity analysis and mentoring junior staff. Key Responsibilities Prepare full financial elements of tender submissions from initial identification through to handover. Assist Senior Project Estimators on larger projects to produce competitive cost estimates. Prepare cost plans, monitor costs on live projects, and contribute to framework and target cost projects. Work closely with preconstruction, design, procurement, and commercial teams to maximise opportunities and minimise risks. Undertake r...