Junior Mechanical Estimator - Mechanical Contractor / HVAC

David Leslie Ltd; Rownhams; On-site; GBP 40,000 - 50,000; Full time

Job summary

A prominent construction company in the UK is seeking a Junior Mechanical Estimator to assist in preparing mechanical estimates and gain technical and commercial experience. The role offers a salary between £40,000 and £50,000 plus benefits like a company car and annual leave. Ideal candidates should have a background in mechanical building services or related fields, and no prior estimating experience is required as full training will be provided. This position promises significant career development within a supportive team.

Benefits

Company car or car allowance

25 days annual leave plus bank holidays

Pension scheme

Full training and mentoring

Clear progression opportunities

Qualifications

• Experience in M&E or construction sales, purchasing, or technical support.
• A background in mechanical building services, HVAC, plumbing, or similar.
• Experience in project coordination or project engineering.

Responsibilities

• Assist in preparing mechanical estimates for various systems.
• Review drawings and specifications under guidance.
• Maintain accurate tender documentation and records.

Skills

Motivated

Reliable

Good communicator

Attention to detail

Comfortable with numbers

Proficient in Microsoft Excel

Education

Mechanical or building services qualification

Job description

Junior Mechanical Estimator - Mechanical Building Contractor

£40,000 to £50,000 plus company car or car allowance and benefits package.

About the Company

A highly respected and steadily growing mechanical building services contractor based just west of Southampton. The company delivers full mechanical design, installation and commissioning services across commercial, healthcare and education projects, with project values typically ranging from £100k to £1m.

They are known for their supportive and collaborative working environment, strong technical standards and long-standing relationships with main contractors. Continued growth has created an excellent opportunity for a Junior Mechanical Estimator to join the team.

The Opportunity

This is an excellent opportunity for someone looking to build a long-term career in mechanical estimating within the building services and M&E sector. The role offers hands-on training, ongoing support and structured progression into a full Mechanical Estimator position.

Ideal backgrounds include:

• Technical sales (HVAC, M&E suppliers, merchant sales)
• Mechanical or HVAC estimating
• Purchasing or procurement
• Mechanical design support
• Project coordination or project engineering
• Mechanical or HVAC trades seeking an office-based role
• Mechanical engineers looking to progress within building services

This is a varied position offering both technical and commercial exposure, making it an ideal development role.

Key Responsibilities

• Assist in preparing mechanical estimates for heating, cooling, ventilation and domestic water systems.
• Review drawings, specifications and tender documents under guidance.
• Carry out basic take-offs with full training provided.
• Liaise with suppliers and subcontractors to gather quotations and technical information.
• Support early-stage budgets, cost plans and design-and-build proposals.
• Contribute to tender submissions, cost summaries and technical proposals.
• Maintain accurate tender documentation and organised internal records.

Experience and Background

Applications are welcome from candidates who have one of the following:

• Experience in M&E or construction sales, purchasing or technical support.
• A background in mechanical building services, HVAC, plumbing or similar.
• Experience in project coordination or project engineering.
• A relevant mechanical or building services qualification (advantageous but not essential).
• A strong interest and estimating work with a willingness to learn.

You do not need prior estimating experience as full training will be provided.

Personal Attributes

• Motivated, reliable and eager to learn.
• Good communicator with strong attention to detail.
• Comfortable with numbers and Microsoft Excel.
• Enjoys a mix of technical and commercial work.
• Works well within a small and supportive team.

Remuneration Package - Junior Mechanical Estimator

• £40,000 to £50,000 basic salary
• Company car or car allowance
• 25 days annual leave plus bank holidays
• Pension scheme
• Full training, mentoring and clear progression opportunities

If you are an ambitious individual with experience in mechanical estimating, technical sales, purchasing, project coordination or mechanical building services and are looking for a long-term opportunity with genuine development and career progression, we would be delighted to hear from you.

Please apply online today, or contact Rob at David Leslie Ltd for an informal and confidential discussion.

About David Leslie Ltd

David Leslie Ltd is a family-run construction recruitment consultancy with over 20 years' experience connecting professionals and employers across the UK. Specialising in the Building, Fit-Out, and M&E Building Services sectors, our approach is built on trust, integrity and long-term partnerships, ensuring both clients and candidates receive a service that is personal, transparent and expertly delivered.