Gas Service & Repair Engineer – Residential Heating

South London Heating Limited; Greater London; On-site; GBP 46,000 - 54,000; Full time

Benefits offered by this job

Company van

PPE provided

Birthday day off

Company pension

Annual leave

Job summary

South London Heating Limited is seeking an experienced Gas Service & Repair Engineer to join our growing team. This role focuses on servicing, diagnostics and repairs in private residential properties across South London, backed by an expert office and technical team.

You will service, diagnose and repair domestic boilers and heating systems, attend call-outs and maintain high safety and customer‑service standards.

Qualifications

• Current Domestic ACS qualifications, including CCN1, CPA1, CENWAT, CKR1 and HTR1, as applicable.
• Strong domestic boiler service, repair and breakdown experience.
• Excellent diagnostic and fault-finding ability.
• Experience across domestic heating and hot-water systems.
• Full UK driving licence.
• Excellent communication and customer-service skills.
• High standards of Health & Safety and safe working practices.

Responsibilities

• Servicing domestic gas boilers and heating systems to a high standard.
• Diagnosing boiler and central-heating faults accurately.
• Carrying out effective repairs and resolving breakdowns.
• Attending heating and hot-water call-outs.
• Identifying required parts and follow-on works accurately.
• Communicating clearly with customers and the office team.
• Completing service records, certificates and job information using our digital systems.
• Delivering a professional and respectful service in customers' homes.

Skills

Gas service & repair

Fault finding

Diagnostics

Customer service

Health & safety

UK driving licence

Unvented hot-water systems

Education

Domestic ACS qualifications

Job description

South London Heating is an established, award-winning domestic heating company serving private homeowners across South London. We're looking for an experienced Gas Service & Repair Engineer to join our growing team. This is a dedicated service, certs, breakdown, fault-finding and repair role for an engineer who genuinely enjoys diagnosing problems and getting heating systems working properly. We are recruiting installation engineers separately, so this role is specifically for someone whose strengths lie in servicing, diagnostics and repairs. You'll work predominantly in private residential properties across South London, supported by an experienced office and technical team.

Key Responsibilities

• Servicing domestic gas boilers and heating systems to a high standard
• Diagnosing boiler and central-heating faults accurately
• Carrying out effective repairs and resolving breakdowns
• Attending heating and hot‑water call-outs
• Identifying required parts and follow‑on works accurately
• Communicating clearly with customers and the office team
• Completing service records, certificates and job information using our digital systems
• Delivering a professional and respectful service in customers' homes

Essential Qualifications & Experience

• Current Domestic ACS qualifications, including
• CCN1, CPA1, CENWAT, CKR1 and HTR1 , as applicable.
• Strong domestic boiler service, repair and breakdown experience.
• Excellent diagnostic and fault-finding ability.
• Experience across domestic heating and hot‑water systems.
• Full UK driving licence.
• Excellent communication and customer‑service skills.
• High standards of Health & Safety and safe working practices.
• Good communication and customer-service skills
• A professional, reliable and positive approach
• Experience with unvented hot‑water systems and additional relevant qualifications would be an advantage.

If you're a skilled, experienced engineer who values high standards and wants to work with a team that values the same, we'd really like to hear from you. Technical ability is essential — but so are professionalism, reliability and the way you look after customers.

What We’re Looking For

• Has excellent boiler diagnostic and fault‑finding skills.
• Takes real pride in the quality and detail of their workmanship.
• Enjoys solving problems rather than simply replacing parts.
• Is experienced, reliable, organised and professional.
• Takes ownership of a job from diagnosis through to resolution.
• Communicates confidently and respectfully with customers.
• Treats customers and their homes with care.
• Works well independently but enjoys being part of a team.
• Is comfortable making appropriate recommendations to customers.
• Wants to continue learning and developing technically.

Additional Experience Highlights

• Strong experience as a domestic Gas Service & Repair Engineer
• Excellent boiler fault‑finding and diagnostic skills
• Experience working across a range of domestic boilers and heating systems
• Current domestic ACS qualifications
• A full UK driving licence
• High standards of workmanship
• Good communication and customer‑service skills
• A professional, reliable and positive approach
• Experience with unvented hot‑water systems and additional relevant qualifications would be an advantage.

Salary & Benefits

• 46,000–£54,000 basic salary, depending on experience
• Performance‑related bonus and additional earning opportunities
• Monday–Friday working, with no evenings or weekends as standard
• Company van
• Fuel and parking costs covered
• Paid annual leave plus bank holidays
• Birthday day off
• Company pension
• PPE and equipment provided
• Manufacturer and technical training
• Office and technical support
• Modern digital job‑management systems
• Local work predominantly across South London

Performance‑related bonus + additional earning opportunities Full‑time, permanent, Monday–Friday - No evenings or weekends