Estimator

Cornerstone Project Source; Harlow; On-site; GBP 40,000 - 65,000; Full time

Job summary

Cornerstone Project Source Ltd in Essex is seeking a Permanent Estimator to prepare detailed quotations for subcontract glazing packages, including aluminium and steel windows, doors, curtain walling, and rooflights. The role suits an experienced estimator or ambitious junior aiming to build a long-term career in fenestration, with immediate start and structured training.

You will liaise with clients and suppliers, interpret drawings, and contribute to value engineering on high-value projects up

Qualifications

• Experience estimating subcontract glazing or related construction sectors.
• Strong knowledge of glazing systems and tendering processes.
• Ability to interpret drawings and NBS specifications.

Responsibilities

• Prepare detailed quotations for subcontract glazing packages, including aluminium and steel windows, doors, curtain walling, rooflights and balustrades.
• Interpret architectural drawings, specifications and tender documents to assess project requirements and scope.
• Compile pricing from suppliers and subcontractors for materials, labour and subcontracted works.
• Liaise with clients, main contractors and internal teams to clarify requirements and provide accurate proposals.
• Evaluate project installation timescales and include durations and resources in quotations.
• Maintain clear records of estimates, pricing and supporting documents in internal systems.
• Collaborate with sales and project delivery to ensure smooth tender to delivery transition.
• Contribute to value engineering to deliver competitive, cost-effective solutions.
• Attend project sites and meetings as required.

Skills

Estimating experience

Client liaison

Tools

Microsoft Excel

Job description

Cornerstone Project Source Ltd is recruiting on behalf of a leading architectural glazing and fenestration specialist for a Permanent Estimator in Essex. The role prepares accurate and competitive quotations for subcontract glazing packages and suits an experienced estimator or an ambitious junior candidate looking to build a long-term career in the fenestration industry.

Start Date: Immediate

Salary: £40,000 - £65,000 per annum (DOE)

Employment Type: Permanent

Hours: 9:00 AM - 5:00 PM (Monday - Friday)

Location: Essex

Type of Work: Estimating and tendering for subcontract glazing packages, including aluminium and steel windows, doors, curtain walling and rooflights, glazed balustrades, internal partitions, wall cladding, mirrors and structural glass

Duties

• Prepare detailed quotations for a wide range of subcontract glazing packages, including aluminium and steel windows, doors, curtain walling systems and rooflights, internal and external glazed balustrades, internal partitions, wall cladding, mirrors and structural glass
• Interpret architectural drawings, specifications and tender documents, including NBS specifications, to assess project requirements and scope
• Compile pricing from suppliers and subcontractors for materials, labour and associated works
• Liaise with clients, main contractors and internal teams to clarify requirements and ensure accurate proposals
• Evaluate project installation timescales and include appropriate durations and resources in quotations
• Maintain clear and accurate records of estimates, pricing and supporting documents using internal systems
• Work with the sales and project delivery teams to ensure a smooth transition from tender to project delivery
• Contribute to value engineering exercises to provide competitive and cost-effective solutions
• Attend project sites and meetings when required

Minimum Requirements

• Experience in estimating for subcontract glazing or related construction sectors
• Technical knowledge of a wide range of glazing systems, including aluminium and steel windows, doors, curtain walling systems and rooflights, internal and external glazed balustrades, internal partitions, wall cladding, mirrors and structural glass
• A good depth of knowledge interpreting and understanding project specification documents, including NBS specifications
• Strong understanding of the end-to-end estimating process, from enquiry to submission
• Proficient in Microsoft Excel and general IT literacy
• Excellent attention to detail and ability to work under pressure
• Strong communication and interpersonal skills

Desirable Experience

• Awareness of installation timescales and sequencing within glazing packages
• Experience using internal quoting or CRM/estimating systems (training provided)
• Full UK driving licence and willingness to travel to project sites on occasion

Package / Benefits

• Competitive compensation based on experience and qualifications
• Immediate start with structured training and support
• Opportunity to work on high-value projects up to £1 million
• Exposure to a wide variety of projects in a growing business
• Career development opportunities within a progressive and supportive environment

Working Pattern

Factory based in Essex, with travel to project sites across London, the South East and East as required (mainly in the London area)