Wet Work Engineers / Plumbers Subcontractor Roles

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: £39,000 basic pay / £750/week guaranteed basic (even if no jobs) £25/hour whilst working on installs Permanent benefits included

Location: Southsea, Hampshire, GB

Posted Date: 10/28/2025