Location: Liverpool (Office-based, full time) Salary: £40,000 - £45,000 per annum (depending on experience) Hours: Monday-Friday, 9:00am-5:00pm Contract Type: Permanent, full-time About Us Simple Heating Services Ltd are a TrustMark-accredited installer specialising exclusively in domestic retrofit and energy-efficiency upgrades, including heating systems, insulation, and renewable technologies .Our projects are delivered under government-funded schemes such as ECO4, GBIS, and SHDF, helping low-income and vulnerable households reduce their energy costs and carbon footprint.We are now seeking a Senior Estimator to join our head office team in Liverpool - someone with strong commercial acumen and a passion for improving homes through energy efficiency. The Role As a senior estimator, you'll take ownership of all cost management, valuations, and commercial reporting across our domestic retrofit projects - ensuring each installation is delivered within budget, compliant with funding criteria, and financially robust.This role is new to the business. We are looking to branch out in to Warm Homes: Social Housing Fund. This will be a brand new department to the business. if proven successful, you will be responsible for building a team under you to win and manage more tenders. Key Responsibilities: Prepare and manage budgets, valuations, and cost reports for domestic retrofit projects (ECO4, GBIS, SHDF). Oversee subcontractor payments, applications, and variations. Liaise with funders and managing agents to ensure commercial and documentation compliance. Maintain up-to-date cost tracking and forecasting for insulation, heating, and renewables measures. Support tender and bid pricing for new contracts and frameworks. Analyse project margins and identify opportunities for efficiency improvements. Ensure all commercial processes align with PAS 2035 and TrustMark standards. About You You'll be a commercially minded professional with a background in domestic retrofit or housing-sector projects, and a keen eye for accuracy and compliance. Essential Skills & Experience: 3-7 years' experience in Estimating or cost control within domestic retrofit, housing, or energy-efficiency projects. Strong understanding of valuations, cost forecasting, and funding-based project structures. Excellent Excel and numerical skills. Confident communicator - able to work closely with internal teams, funders, and managing agents. Desirable: Experience with ECO4, GBIS, or SHDF project funding structures. Understanding of PAS 2035, TrustMark, and retrofit compliance documentation. Experience across heating, insulation, or renewable energy installations. What We Offer Competitive salary: £40,000 - £45,000 (DOE) Annual performance-based bonus 28 days annual leave Pension contribution Regular team events and wellbeing initiatives Supportive, office-based team environment Clear career progression to Quantity Surveyor / Commercial Manager Professional Accreditation Support - including funding and mentorship to achieve RICS, CIOB, or equivalent qualifications Why Join Simple heating Services? We're not just another contractor - we're a purpose-driven organisation helping to tackle fuel poverty and improve the quality of homes across the UK.You'll be joining a supportive, growing company where your role has real social impact and your professional development is actively invested in.Job Type: Full-timePay: Up to £45,000.00 per yearBenefits: Canteen Casual dress Company events Discounted or free food Employee discount Gym membership On-site parking Profit sharingAbility to commute/relocate: Prescot L34 9HP: reliably commute or plan to relocate before starting work (required)Application question(s): Have you previously worked on domestic retrofit, ECO4, GBIS, SHDF, or other energy-efficiency projects? Are you currently working towards, or interested in working towards, professional accreditation (e.g., RICS, CIOB, or equivalent)? How would you rate your proficiency with Microsoft Excel and cost-tracking tools? What are your salary expectations for this role? What sectors have you worked in as an estimatorExperience: Estimating: 1 year (required)Licence/Certification: Valid HNC HND Degree Quantity Surveying? (preferred)Work Location: In person