Domestic Installation Engineer

The OPRA GroupWest Londonreedpublished 10/29/2026

About the company

Apply Now This is a fantastic opportunity for an experienced Domestic Installation Engineer looking to join a growing and supportive business that invests in its people and offers genuine long-term career development.

Your tasks

About the Role Due to continued growth, our client is seeking an experienced Domestic Installation Engineer to join their expanding team.

This is an excellent opportunity for a skilled Gas Safe engineer with a strong background in domestic heating installations to work across a range of residential properties, carrying out boiler replacements, full heating system installations, upgrades and associated plumbing works.

  • Installation of boilers, full heating systems and system upgrades.
  • Carry out boiler replacements and heating system conversions.
  • Install and replace cylinders, radiators, pumps, valves and heating controls.
  • Complete gas pipework alterations and reruns as required.
  • Carry out power flushing and associated wet works.
  • Install flues and ensure compliant ventilation requirements.
  • Diagnose and resolve installation-related issues.
  • Attend and rectify gas and water leaks where required.
  • Drain down, refill and commission heating systems.
  • Complete all relevant certification and compliance documentation, including CP12, CP4, CP14 and Benchmark paperwork.
  • Conduct risk assessments prior to commencing works.
  • Ensure compliance with all Health & Safety legislation and company procedures.
  • Accurately record work completed using handheld devices.
  • Identify and order required materials and components.
  • Deliver excellent customer service at all times.

Requirements

The successful candidate will be customer-focused, technically competent and confident working independently while delivering a high standard of workmanship and service.

Required Skills & ExperienceEssential*

  • Proven experience installing domestic boilers and heating systems.
  • Gas Safe Registered.
  • Relevant plumbing qualifications.
  • G3 Unvented Qualification.
  • Full UK Driving Licence.
  • Strong fault-finding and diagnostic skills.
  • Experience working independently in occupied and unoccupied properties.
  • Good understanding of Health & Safety and risk assessment procedures.
  • Excellent communication and customer service skills.
  • Ability to manage workload effectively and work with minimal supervision.

Desirable

  • NICEIC qualification.
  • Air Source Heat Pump (ASHP) qualification.
  • Experience with renewable technologies.
  • CSCS Card.
  • Asbestos Awareness Training.
  • Experience working with vulnerable residents.
  • Social housing or local authority contract experience.

The ideal candidate will be

  • Reliable and self-motivated.
  • Customer-focused with excellent interpersonal skills.
  • Methodical and safety-conscious.
  • A strong problem solver with a practical approach.
  • Capable of working independently and as part of a wider team.
  • Flexible regarding travel across London and surrounding counties.

What we offer

What's on Offer?

  • Company van provided.
  • Mobile phone and uniform provided.
  • Weekly pay via BACS.
  • 21 days annual leave plus bank holidays.
  • Pension scheme.
  • Life assurance.
  • Employee Assistance Programme.
  • Employee referral scheme.
  • Staff discount programme.
  • Ongoing training and development.
  • Opportunities to gain further qualifications, including renewable technologies.
  • Clear career progression opportunities within a growing organisation.

How to apply

If you have the required qualifications and experience, we'd love to hear from you.