Job Title: Wet Work Engineers / Plumbers Subcontractor Roles
Location: London & Home Counties (Multiple Positions Available)
Pay: Excellent day rates | Consistent pipeline of work
Job Type: Subcontractor | CIS
Overview:
SERT is recruiting up to 25 experienced Wet Work Engineers / Plumbers to support a major retrofit programme across London and the Home Counties. This role is ideal for qualified tradespeople with strong experience in water-based heating systems, looking for steady, well-paid subcontractor work.
Key Responsibilities:
* Conduct power flushing to remove debris and improve system efficiency
* Replace hot water cylinders in line with current safety and compliance standards
* Install and upgrade radiators, TRVs, and associated pipework
* Assess and advise on heating layouts and radiator sizing
* Diagnose and repair faults within domestic heating systems
* Liaise professionally with householders and maintain a high standard of customer service
* Follow all relevant health, safety, and compliance procedures
Requirements:
* NVQ Level 2 or 3 in Plumbing & Heating (or equivalent qualification)
* Proven experience with power flushing and hot water cylinder replacements
* Strong understanding of domestic central heating systems
* Ability to interpret schematics and heating layouts
* Own tools, flushing machine, and suitable vehicle (preferred)
* UTR number and eligibility to work as a CIS subcontractor
Why Join SERT?
* Consistent pipeline of retrofit projects
* Long-term subcontractor opportunities
* Prompt, weekly payments
* Supportive operations and compliance team
Ready to apply?
Submit your CV today to join a growing retrofit team making homes across the South more energy-efficient.
Northwest London, North Hampshire, Berkshire
About the Role:
* Typical Job: Power flush + 10 radiators (1-day job)
* Contractor Rate: £35/hour
* Direct Labour Package:
o £39,000 basic pay / £750/week guaranteed basic (even if no jobs)
o £25/hour whilst working on installs
o Permanent benefits included
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