Junior/Assistant Estimator

Company: Streamline Search
Apply for the Junior/Assistant Estimator
Location: London
Job Description:

Junior/Assistant Estimator

Location: Bermondsey, LondonHours: Monday – Friday, 8am – 5pmSalary: £30,000 – £35,000Holiday: 28 days including bank holidays, increasing with length of serviceSector: HVAC, Air Conditioning, Estimating, Construction

Our Client is a UK-based specialist contractor that designs, manufactures, and installs ventilation, ductwork, and airside systems for major commercial construction projects, particularly in London. They support projects from early design and coordination through procurement, installation, commissioning, and project management, using technologies such as BIM and CAD modelling. The firm is known for delivering ventilation solutions for high‑profile developments while emphasizing innovation, sustainability, and a “right first time” approach to construction delivery.

Position Duties

  • Assisting in preparing accurate and up‑to‑date estimates for ductwork, ventilation and airside package projects.
  • Assisting with pre‑construction and PCSA stage estimates.
  • Ensuring documentation is completed to company standards.
  • Assisting with feasibility assessment and undertaking site visits when required.
  • Carrying out take‑offs and measurements from technical drawings, with assistance.
  • Reviewing project drawings, specifications, and tender documents to identify requirements and scope.
  • Liaising with clients and subcontractors to obtain competitive quotes and understand value engineering.
  • Supporting the wider team with tender preparations, including pricing schedules, supporting documentation and clarifications as required.

Position Requirements

  • A positive attitude to learning on the job with a background in the construction industry essential; experience with ductwork, air conditioning or HVAC preferable.
  • Strong analytical skills, with good numerical skills and a high level of attention to detail.
  • Ability to read and interpret technical drawings preferred, but training will be provided.
  • Good IT skills, including Microsoft Office, and some technical drawing skills would be beneficial.
  • Highly organised.
  • Clear written and verbal communication essential, along with a good telephone manner.

Position Remuneration

In‑depth on‑the‑job training will be provided by industry experts. Salary depends on experience, up to £35,000. Clear career progression within the pre‑construction team. Opportunity to gain on‑site experience days to develop understanding beyond the pre‑construction stages. 20 days of annual leave plus 8 bank holidays, increasing by 1 day after every 2 years of service, up to a maximum total of 25 days. Regular working hours with an easy‑to‑reach office base. Nest pension scheme. Travel expenses covered for travel required by the role.

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Posted: July 8th, 2026