Pre-Construction Assistant QS: Estimating & PCSA

Job Description

We are seeking a proactive and detail-oriented

Job Description

We are seeking a proactive and detail-oriented Assistant Quantity Surveyor to support our pre-construction team, with a key focus on estimating and managing PCSA (Pre-Construction Services Agreement) projects.

This is an excellent opportunity for someone looking to build their commercial career within a fast-paced environment, gaining exposure to complex schemes while taking ownership of cost planning, procurement support, and day-to-day commercial management during the pre-construction phase.



Key Responsibilities

Estimating & Cost Planning

• Prepare detailed cost estimates and budgets based on Employer’s Requirements, drawings, and specifications
• Support the development and validation of cost plans throughout the PCSA lifecycle
• Analyse supply chain quotations and benchmark pricing to ensure competitiveness
• Assist in identifying risks, opportunities, and value engineering options

• Support and, where appropriate, take ownership of commercial management on live PCSA projects
• Track and report cost movement, changes, and risk allowances throughout pre-construction
• Assist in maintaining accurate financial records, forecasts, and reporting outputs
• Contribute to the successful transition from pre-construction into delivery

• Assist with package scoping, tender enquiries, and evaluation of subcontractor returns
• Engage with the supply chain to obtain competitive and compliant pricing
• Support early contractor involvement and build strong supplier relationships

• Contribute to the Cost Value Reconciliation (CVR) process
• Provide accurate and timely data for financial reporting and forecasting
• Assist in highlighting cost risks and supporting mitigation strategies

• Ensure adherence to commercial procedures, governance, and reporting standards
• Maintain structured documentation and cost records in line with company processes
• Support audits and ensure transparency of cost data and decision-making

• Work closely with Pre-Construction Managers, design teams, and senior QS staff
• Support coordination between design, commercial, and operational functions
• Participate in internal and external meetings where required

• Experience in a Quantity Surveying or Assistant QS role, ideally within pre-construction or estimating
• Strong understanding of cost planning, estimating, and procurement processes
• Familiarity with PCSA projects or early-stage project delivery (desirable)
• Good commercial awareness and attention to detail
• Strong communication skills and a collaborative approach
• Working towards (or interested in) professional qualifications (e.g., RICS)

• Competitive salary and benefits package
• Structured development and career progression opportunities
• Exposure to complex, high-value projects
• Supportive team environment with opportunities to grow