Our client, a long-established contractor specialising in mechanical, electrical, and interior fit-out solutions, is seeking an experienced Interiors/Fit-Out Estimator to join their growing team based near Heathrow Airport. This is a key commercial role supporting the delivery of fast-paced, high-spec projects across the aviation and commercial sectors, with typical contract values ranging from £20k up to £700k. The Opportunity: This role is ideal for a detail-driven Estimator who thrives in a dynamic environment. You will be responsible for preparing competitive tenders, cost plans, and quotations for interior refurbishment and fit-out works. Working closely with the pre-construction and delivery teams, you will assess client requirements, analyse drawings and specifications, and secure best-value pricing from suppliers and subcontractors. Accuracy, commercial awareness, and strong communication skills are essential, as many projects are undertaken within live and secure environments. Key Responsibilities: * Prepare detailed estimates and cost tenders for interior refurbishment and fit-out projects * Review drawings, specifications, and client documentation to build accurate cost plans * Obtain and evaluate supplier and subcontractor quotations * Produce bill of quantities, take-offs, and materials schedules * Coordinate with internal project teams to ensure seamless handover into delivery * Assist with value engineering options and alternative solutions where appropriate * Keep accurate records, pricing files, and tender enquiries * Support commercial reporting and handover meetings post-award Ideal Background: * Proven experience in estimating for interior fit-out projects (Cat A & B desirable) * Strong understanding of construction techniques and materials, ideally from a trades or site-based background * Ability to read and interpret technical drawings and specifications * Proficient with Microsoft Office (Excel essential) — no specialist estimating software required * Commercially aware, with strong numeracy and analytical skills * Excellent organisation and communication, with a proactive approach Additional Information: * Working hours: 07:30 to 17:00, Monday to Friday (30-minute lunch break) * Office-based role (Windsor & Maidenhead Borough location) * Own vehicle required; must live within approx. 90 minutes’ travel of the office * This role does not offer hybrid or remote working Compliance Requirements: Due to the nature of projects within secured airside environments, the following checks are mandatory: * Five years of referencing history (employment, self-employment, education etc.) * Ability to pass a Criminal Record Check * All relevant site and security training will be provided as required