Mechanical Estimator

Designer Group· Building Services
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📍 London, England, United KingdomFull time

About this role

Mechanical Estimator

Job Purpose

As part of an exciting company expansion project Designer Group are seeking a Mechanical Estimator to join our Estimation Department.

About Our Company

Designer Group is a leading international mechanical & electrical provider specialising in turnkey packages for the design, supply, and installation of M&E services. This role will be primarily based from Designer Group’s UK office in Central London, with the option to work a hybrid pattern.

Our people are the foundation of our continued growth across all client sectors. We invest in our people and have a philosophy of continuous professional development. This investment has produced an innovative and passionate team that deliver projects for our clients safely, efficiently and to the highest standards in the industry. Our approach to everything we do is underpinned by our Values of:

Safe

Trust

Respect

Challenge

Deliver

 

Key Tasks & Responsibilities

  • Will be involved in winning and tendering desired projects achieving discounts with suppliers and sub-contractors.
  • Access initial tenders in respect of attractiveness, selectivity, commercial risk and competition, and provide appropriate report to management.
  • Reviewing tender documentation issued by client and drive a thorough understanding of requirements.
  • Responsible for accurately quantifying materials, plant and labour requirements for allocated projects, ensure that for pre-designed projects, enquiries relative to the supply of materials, plant and labour is satisfactorily dealt with and that relevant information, contractual and trading particulars are distributed.
  • Set up, in conjunction with line manager, estimating process and procedures, systems and data base. Maintain the estimating system to ensure all labour norms and prime costs are correct.
  • Prepare tender adjudication pack ready for sign off with senior management (this will include the collation/finalising of mechanical elements).
  • Prepare tender risk analysis and ensure tender submission is appropriately clarified.
  • Prepare Contractors proposals forming part of the tender submission, together with tender programmes, organisation charts, method statements etc.
  • Provide a fully detailed tender based on a performance specification and architects layout drawings for a D&B project.  Provide design solutions including sketches, drawings, preliminary sizing of plant and equipment and take offs for D&B projects. Utilise supply chain for design input.
  • Send out enquiries and work closely with procurement manager and supply chain at tender stage to ensure that we have a correct and competitive prime costs. Vet all subcontractor and plant tender submissions for compliance.
  • Collate the mechanical estimate in conjunction with electrical estimator and put the final bid together.
  • Follow up bids after submission and bid manage through to contract where required. This will include obtaining feedback on our price.
  • Provide Value engineered options (VE) and associated costs utilising innovation and the supply chain to ensure we add value in our tender where appropriate.

Your Education & Experience  

  • 3 years’ experience in a similar role.

Your Skills & Competencies  

  • Strong communication and interpersonal skills in dealing with cross functional personnel.
  • Good attention to detail, with an analytical approach and ability to work using your own initiative.
  • Contract master experience is preferred
  • Health Care
  • Pension
  • Career Progression within the wider group
  • International Travel Opportunities

INDMP

#LI-CH1

Frequently Asked Questions

Is the salary disclosed for the Mechanical Estimator position at Designer Group?
The salary for this Mechanical Estimator role at Designer Group is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Mechanical Estimator position at Designer Group located?
This Mechanical Estimator role at Designer Group is based in London, England, United Kingdom. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Mechanical Estimator role at Designer Group full-time or part-time?
This is listed as a Full time position. It is posted as a Mechanical Estimator role in the Building Services department at Designer Group.
Which team or department does the Mechanical Estimator at Designer Group belong to?
This Mechanical Estimator position is part of the Building Services department at Designer Group. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Mechanical Estimator position at Designer Group?
Click the "Apply Now" button on this page. You will be redirected to Designer Group's official application portal hosted on workable where you can submit your application directly.
When was the Mechanical Estimator job at Designer Group posted?
This Mechanical Estimator position at Designer Group was posted on Jul 20, 2026. Apply as soon as possible — early applications are often reviewed first.
Mechanical Estimator
Designer Group
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