Assistant Site Manager

Berkeley Oxford & Chiltern is a proud member of the Berkeley Group, passionate about making a difference and delivering sustainable developments, continuously adapting to improve each development for the communities they serve.

We are committed to working in partnership and collaboration to continue to build fantastic homes in amazing places. No two Berkeley developments are the same and our bespoke approach sets us apart from our competitors. We are constantly evolving and refining as a company to develop some of the most complex sites into successful mixed-use developments. We have the skills and know-how to take on a wide range of developments from difficult refurbishments, high rise apartments, large detached properties and even thatched roofs.

At the heart of everything we do Is a strong team of people committed to achieving exceptional levels of customer service, delivering high quality homes where vibrant and sustainable communities have been created. Our people and the incredible projects that we deliver are amongst the best reasons that we come to work every day. We work hard and what we do is challenging, but it is hugely meaningful and we have fun together.

It is clear that we enjoy what we do, the difference we make to society and we are very proud of the people that make up Berkeley. We have a culture that is rooted in attention to detail, strong communication, and a huge feeling of ownership and pride.

To support the Project Manager and Senior Site Manager in delivering high‑quality new homes safely, efficiently and in line with Berkeley Homes’ standards.

The role oversees day‑to‑day site operations, manages subcontractors, drives build quality, and ensures programme milestones are achieved while maintaining outstanding site presentation and customer satisfaction.

• Supervise all subcontractors throughout each stage of construction, ensuring clear communication of expectations, sequencing and standards.
• Conduct daily/weekly programme reviews with senior management to confirm all plots remain on track against target dates.
• Identify and escalate risks to programme, labour availability or material supply early.

Ensure all works meet Berkeley Homes’ quality benchmarks, technical requirements, NHBC guidelines and manufacturer specifications.

• Complete inspections and record evidence within Fieldview, ensuring all Hold Points are met and signed off correctly.
• Support the delivery of plots to the Finishing Manager on agreed handover dates, fully compliant with specification and quality expectations.
• Apply the BHOC Quality Management System at all key stages, proactively flagging potential issues to the Project Manager.

• Carry out site inductions and issue permits as required.
• Provide drawings, standard details and technical support to subcontractors to ensure works progress efficiently.
• Monitor subcontractor performance closely, raising concerns around workmanship or labour shortages promptly.
• Educate and reinforce site best practice, including protection measures and housekeeping standards.
• Work closely with the Buying Department to ensure timely call‑off and delivery of materials in line with programme needs.
• Inspect materials for quality, accuracy and suitability on arrival; ensure correct storage and protection on site.

• Lead by example in maintaining a safe working environment, following all Health & Safety procedures and promoting a proactive safety culture.
• Ensure site signage, PPE and working practices meet regulatory and company standards at all times.
• Help the site team achieve industry‑leading customer satisfaction results, including:

70%+ Net Promoter Score

90%+ IHR “Ready” and “Clean” compliance

• Ensure homes are constructed in a way that minimises defects and enhances customer experience.

• Maintain exceptional site presentation across the full development, including compounds, plots, access roads and public areas.
• Address issues immediately to protect the Berkeley brand and ensure a professional working environment.

• Record day works and manage potential…