Senior Quantity Surveyor; South

Senior Quantity Surveyor – Major Mixed-Use Development

Location: South London
Salary: £85,000–£95,000 + comprehensive package
Employment: Permanent
Start: ASAP

A leading main contractor–developer is seeking a driven and experienced Senior Quantity Surveyor to join their commercial team on a landmark mixed-use scheme in South London.

This flagship development comprises 400+ residential units
, alongside retail and leisure space
, and will form a key part of a major regeneration programme. You will play a central commercial role in the successful delivery of this long-term project, supporting both pre-construction and construction phase activities.

• Managing all commercial and cost-related aspects of the project
• Preparing cost plans, forecasts, and financial reports
• Leading procurement and contract administration
• Managing subcontractor packages through to final account
• Identifying commercial risks and advising on mitigation strategies
• Supporting commercial governance and reporting processes
• Building strong relationships with internal teams, consultants, and stakeholders
• Providing guidance and support to junior members of the commercial team

• Proven experience as a Quantity Surveyor or Senior QS on large-scale residential or mixed-use developments
• Strong knowledge of JCT contracts
• Experience working across the full project life cycle
• Ability to manage complex packages and high-value scopes
• Excellent commercial awareness, communication, and leadership skills
• Main contractor or developer background preferred

• Join a respected contractor-developer with a strong pipeline of major projects
• Work on a high-profile scheme with long-term development potential
• Given the size and duration of this scheme, there will be excellent progression opportunities to Commercial Manager for an individual keen to take the commercial lead on the overall project
• Competitive salary and package with strong career stability

If you’re interested in this position or would like to discuss other Buyer opportunities, please contact Gareth Jeffrey on  or send your CV via email

All applications are handled in the strictest confidence. You will be contacted before your CV is shared with any client.

O’Neill and Brennan values diversity and promotes equality, All individuals will be treated in a fair and equal manner and in accordance with the law regardless of gender, marital status, race, religion, colour, age, disability or sexual orientation