Assistant Estimator

Willmott Dixon are currently recruiting for an Assistant Estimator to join our London and East construction business. Based in Hitchin, Hertfordshire, we deliver projects across multiple sectors within north London, the northern home counties and East Anglia. This will be a hybrid role with a mix of remote and office-based working.

As an Assistant Estimator you will support our preconstruction team with calculating the build cost for our customers, ensuring we deliver the right net cost, on time, and to the highest quality for cost accuracy.

You will collaborate with our wider preconstruction team and supply chain partners to ensure that we provide an accurate cost in line with the customer’s requirements, project scope and current legislation.

An Assistant Estimator will ensure the service and standards we provide place customer value at the forefront of delivering a perfect product.

• Assist with creating robust accurate cost plans through the various design gateways up to target price.
• Assist with guiding the design team and inform the customer with respect to affordability.
• Use technical experience to assist in identifying opportunities and risks along with solutions to add value.
• Collaborate with the project team to identify and value alternative design solutions where required and present to the customer for review.
• Assist in developing a procurement strategy to meet the needs of the project.
• Seek to gain knowledge of the key trades packages.
• Collaborate with the design team by assisting the costing changes being tracked through the change control process.
• Broadening your knowledge of contractual and framework requirements.
• Ensure you understand the estimating system (Conquest) and its functionality.
• Assist with completion of standard documentation.
• Help provide a detailed cost information package to the commercial build team at handover to include completed comparisons, bills of quantities, tender book, and quotations.

• Good numeracy skills and written and spoken English.
• 5 GCSEs (A-C Grade) or equivalent, including maths.
• A BTEC in Building Studies, Building Engineering or Building Management or a HNC/HND/Degree in Quantity Surveying/Construction Management/Civil Engineering (or equivalent work experience)
• Some experience either an Assistant Quantity Surveyor, Assistant Cost planner or junior Estimator
• Working towards MCIOB / MRICS.

In return for your hard work, we offer a competitive package that includes flexible benefits to suit your lifestyle and priorities. This includes an enhanced pension scheme, full private medical cover, life assurance, and an Incentive Bonus. This role will also benefit from a Motor Expenditure Allowance or access to a low‑carbon and electric car leasing scheme, supporting sustainable travel

At Willmott Dixon, we provide an inclusive and flexible working environment for people to thrive in and are happy to support agile working wherever possible.

We are a proud member of the Disability Confident Scheme.

With over 170 years of rich history, Willmott Dixon’s purpose is beyond profit; delivering brilliant buildings, transforming lives, strengthening communities and enhancing the environment so our world is fit for future generations. Ensuring that we add lasting value to the neighbourhoods we work in; our values, people, innovation, partnerships and focus on sustainability have enabled us to build a successful and solid privately owned business where our people thrive.

Willmott Dixon was recognised by The Sunday Times as one of the Top 10 "Big" Companies to Work For in 2025, named among Times Top 50 Employers for Gender Equality in 2024, and ranked in the Top Five of Europe’s 1,000 best workplaces by the Financial Times in 2025. Willmott Dixon is also the first major contractor and developer to win a King's Award for Enterprise in the category of sustainable development.