Assistant Quantity Surveyor

Location: Brighton, BN1 5PT

Hours: 40 hours/week, Monday-Friday (flexible between 8am-5pm)

Salary: £37,000 per annum

Contract: Full-time Start date: October 2026

Jack Rafter is a fast-growing commercial carpentry contractor based in Brighton, working with leading main contractors across Sussex and London.

We're an ambitious, modern construction business with a strong focus on doing things differently. We use technology extensively, keep our management structure straightforward and give people the opportunity to take genuine responsibility as they develop.

As the business continues to grow, we're looking for an Assistant Quantity Surveyor to join our commercial team.

This is a varied, hands-on commercial role supporting the management of multiple carpentry projects from initial handover through to final account.

You'll work closely with our Commercial Lead, Operations team, Contracts Managers and site teams to help ensure projects are properly valued, costs are controlled and commercial records are maintained throughout the life of each job.

We're looking for someone who already has a recognised Quantity Surveying qualification and around 2-3 years' experience within the construction industry, ideally within a QS or commercial role.

You'll be given genuine responsibility from the outset, while still having the support and opportunity to develop towards independently managing your own projects.

• Assisting with monthly applications for payment
• Preparing valuations of work completed on site
• Collating information from site teams to support applications
• Tracking application dates, payment notices and payment deadlines
• Reviewing client valuations and identifying differences against our applications
• Assisting with resolving valuation queries and outstanding payments

• Identifying and recording variations and additional works
• Maintaing variation and change-control registers
• Collating daywork sheets, site records, photographs and other supporting information
• Preparing variation quotations for review and submission
• Tracking submitted, agreed and outstanding variations
• Ensuring commercial records are maintained throughout each project rather than reconstructed at the end Cost Control
• Maintaining project cost and value trackers
• Monitoring labour expenditure against project allowances
• Reviewing labour and subcontractor invoices against works completed
• Assisting with cost-to-complete forecasts
• Identifying potential overspends, commercial risks and opportunities
• Helping prepare regular project commercial reports

• Reviewing project drawings, specifications, quotations and tender information
• Understanding the scope and commercial basis on which projects were priced
• Supporting the commercial handover of projects from estimating into delivery
• Assisting with procurement comparisons and subcontractor quotations where required
• Maintaining organised commercial project records
• Helping ensure important contractual and commercial deadlines are recorded and acted upon
• Supporting the wider project team with commercial queries throughout the life of each project

• Assisting with the preparation and agreement of project final accounts
• Ensuring variations and outstanding commercial items are resolved
• Tracking retention payments and release dates
• Collating the information required to close projects commercially

You'll have:

• A recognised Quantity Surveying qualification
• 2-3 years' experience within the construction industry, ideally within a Quantity Surveying or commercial role
• A good understanding of construction costs, valuatio