Totaco Ltd

B2B Sales Opportunities Across Construction, Engineering, Energy, Financial Services and IT markets

Estimator – Commercial Roofing – Windsor

Location: Windsor

Type: Permanent

Salary: £45,000 to 55,000 Per Year

Posted on: 10/08/2026

About the Client

  • Our Client is a specialist commercial flat roofing contractor delivering roofing refurbishment projects across the UK.
  • The business works across a range of flat roofing and waterproofing systems, including single ply, liquid applied waterproofing, roofing membranes, insulation, and wider building envelope solutions.
  • Continued growth has created an opportunity for an experienced estimator to strengthen the commercial function.
  • The role offers fully remote working, with the successful candidate ideally based in Southern UK.

Roles/Responsibilities

  • Produce accurate quotations and detailed costings for commercial roofing projects.
  • Review specifications, drawings, tender documents, and project requirements.
  • Ensure all labour, material, subcontractor, plant, and associated project costs are accurately captured.
  • Identify potential commercial risks and cost implications before submission.
  • Liaise with suppliers and subcontractors to obtain competitive and accurate pricing.
  • Work closely with the wider commercial team throughout the estimating process.
  • Support the business in maintaining strong project margins and commercial performance.
  • Manage multiple estimates and tender deadlines effectively.
  • Resolve pricing, specification, and project queries as they arise.
  • Use technology and digital tools to improve estimating accuracy and efficiency.

Qualifications

  • Three to five years’ estimating experience.
  • Previous experience within commercial flat roofing is essential.
  • Strong knowledge of roofing systems such as flat roofing, waterproofing, single ply, liquid applied systems, roofing membranes, insulation, or refurbishment projects.
  • Proven experience producing quotations and detailed project costings.
  • Strong attention to detail and a high level of numerical accuracy.
  • Good commercial awareness with the ability to identify project risks.
  • Strong communication and organisational skills.
  • Comfortable liaising with suppliers, subcontractors, and internal stakeholders.
  • Strong problem-solving ability.
  • Good IT skills and an interest in using technology and AI to improve working processes.
  • Previous Quantity Surveying experience would be advantageous but is not essential.

Benefits

  • Salary of £45,000–£55,000.
  • Additional benefits package.
  • Fully remote working.
  • Opportunity to join a growing specialist roofing contractor.
  • Long-term career opportunity within an established commercial team.
  • Exposure to a broad range of commercial roofing and refurbishment projects.
  • Opportunity to contribute to improvements in estimating processes, technology, and commercial performance.

If this opportunity aligns with what you have been searching for, contact Gabriella Maartens directly at g.maartens@totaco.net or +44 77 2352 9627 for a confidential discussion.