Senior Estimator

Full time, Barr Group HQ

Barr Group is a design-led construction company committed to delivering high-quality projects on time and within budget. Our team is composed of dedicated professionals who bring their expertise and innovation to every project.

The Senior Estimator is responsible for preparing accurate and competitive cost estimates collaborating closely with project managers, architects, engineers and clients to ensure all estimates are comprehensive and align with project objectives.


  • Analyse project specifications, drawings, and other documents to prepare comprehensive and differing forms of tenders, budgets, cost estimates, etc. for construction projects.
  • Attend site visits and meetings with Barr Build team members and subsequent, ongoing appointments with specialist subcontractors and suppliers as necessary.
  • Collaborate with project managers, architects, engineers, and subcontractors to clarify project details and resolve any discrepancies.
  • Conduct thorough quantity takeoffs from drawings and specifications to determine material and labour costs for each project.
  • Utilise estimating software and tools to generate detailed cost breakdowns and proposals.
  • Obtain and evaluate quotes from subcontractors and suppliers, negotiating pricing and terms to ensure competitive bids.
  • Prepare and submit bids and proposals in a timely manner ensuring all required information is included.
  • Identify and assess potential risks and uncertainties in project estimates and propose mitigation strategies.
  • Prepare detailed and accurate cost estimates and proposals to clients and participate in negotiations as needed.
  • Provide guidance and mentorship to junior estimators and support staff.
  • Manage, maintain and create new connections and relationships with subcontractors, suppliers and professional teams.
  • Maintain detailed records of estimates, including assumptions, methodologies and backup documentation.
  • Stay current with industry trends, construction methods, and cost management practices to ensure competitiveness and to improve estimating processes and accuracy.


  • Bachelor's degree in Construction Management, Surveying or related field (or equivalent work experience).
  • Minimum of 10 years experience in construction estimating, preferably with a principal contractor.
  • Proficiency in construction estimating software will be an advantage.
  • Experienced in using Microsoft programs and software.
  • Strong analytical and mathematical skills with the ability to interpret complex plans and specifications.
  • High attention to detail and accuracy in preparing estimates and documentation.
  • Excellent communication and interpersonal skills, with the ability to effectively collaborate with internal teams, design teams, clients, and subcontractors.
  • Demonstrated ability to manage multiple projects, problem solve and prioritise tasks in a fast-paced environment in order to meet challenging deadlines.
  • Knowledge of construction methods, materials, building codes and contracts (particularly the JCT Suite).
  • Experience with value engineering and cost optimisation strategies is a plus.
  • Professional certifications such as CIOB, RICS or similar are desirable but not essential (subject to level of experience).


  • Competitive salary commensurate with experience.
  • Opportunities for career growth and development in a dynamic and supportive work environment.
  • Supportive and collaborative work environment.
  • Health and Wellbeing Initiatives.
  • Lively Company Socials Calendar.
  • Cycle to Work Scheme.
  • Hybrid and Flexible Working.
  • Company Pension Contribution.
  • Employee Referral Scheme.
  • Paid community/charity service day.

More about careers with Barr Group:

We are looking for individuals who want to be a part of something bigger than just a construction company. The Barr Group are a "work family", who support each other and operate as a team. Our mantra is to "always build better" and every member of the organisation contributes to achieving this goal.

We are privileged to work on exciting design-led projects, with positive, challenging, supportive work environments, individualised training programmes and a wealth of opportunities for future career progression.

At Barr Group we work hard and play hard. Because we all work in different places, we try to get together as much as possible. As well as after-work drinks meetups, the Barr Group social calendar includes a Tough Mudder, a summer family BBQ, Junkyard Golf, karting and lots more. We also run company wellness sessions, a weekly HIIT class and Tuesday night footy!

If you are interested in a career with Barr Group we would very much like to hear from you. Please send your CV, along with a covering email to

Think this could be the role for you...

“The belief that we are only as good as our last job and that everything we say and do really matters, has helped us to maintain the very highest standards.”
Stuart Barr, Founder & Director of Barr Group
Barr Group Social Events
At Barr Group we work hard and play hard. Because we are based across multiple sites, in many different locations, we try to get together as much as possible.
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1/8 Family Summer BBQ

A chance for people to mix work lives with home lives, meeting the 'other people' we spend lots of our time with!

FOOTBALL 0920 lo res

A bit of competitive spirit (mostly from the directors!) comes to the fore every Tuesday evening at ASM Stadium for a “fun kick around”!

3/8 Barr Group Bootcamp

The Thursday afterwork HIIT class. 40 minutes of pain for a lot of gain, delivered by our very own PT and ex-Barr-barian Nathalie Babington.

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4/8 Tough Mudder

Already booked for next year, this one is fast becoming an annual fixture – and definitely the “funnest” way to spend a Sunday morning!

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Faster than digger or dumper driving and more adrenalin-fuelled than a pub night. A chance to blow a few cobwebs away!


Sometimes it is great to just catch up for a relaxed afterwork drink or two.

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7/8 Junkyard Golf

There is a 10-year-old in us all and sometimes they just want to win.

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8/8 Bowling & Pizza

Smells like team spirit! Another chance for some healthy competition!