25 Best Heating Engineers in South East London for 2026

Older terraced housing and converted flats around Erith and the wider DA8 area make up much of the workload for Emergency Plumber 365, where ageing boilers and outdated heating systems are common. The firm handles breakdowns and repairs on this type of housing stock, with 215 reviews averaging 4.9 pointing to consistent results on jobs that require a working knowledge of older installations.

A boiler that won't fire up on a cold morning, or a landlord needing a gas safety certificate before new tenants move in, are typical reasons Londoners call Harvard Heating Services. The firm handles installations, servicing and repairs, and has built up a strong reputation locally, reflected in 4.9 from 162 reviews on Google.

A 4.6 rating from 152 reviews points to consistent standards at Logical Heating & Plumbing Solutions, a heating engineering firm based in south London. The company covers boiler and central heating work for households across the SE20 area, with feedback suggesting reliability across repeat callouts rather than one-off jobs.

Heating engineers serving the SE26 area of London, Boiler Bunny Heating covers boiler repairs, servicing and installations for local households. The firm has built a strong local reputation, reflected in a 4.9 rating from 80 reviews. Work is carried out with attention to gas safety standards expected of domestic heating systems.

Heating installation and repair is the core focus of R G Austin Ltd, a long-established firm serving south-east London. Operating from the SE3 area, the company covers domestic heating systems for local households. With a straightforward, trade-focused approach, it offers a reliable point of contact for boiler and central heating work without the overhead of a larger contractor.

MJV Gas and Heating Ltd provides gas boiler engineering services across London from their Bexleyheath base. The company has earned a perfect 5-star rating from 53 verified customer reviews on Google. They serve the DA7 postcode area and surrounding London neighbourhoods with professional heating solutions.

Covering London and the surrounding area, SMD Heating and Renewables works across both conventional heating systems and renewable energy installations, giving the business a broader remit than a standard boiler specialist. The DA15 postcode anchors it to south-east London and the inner commuter belt. No rating is listed, but the dual focus on fossil-fuel and low-carbon technology reflects where the heating trade is heading.

J R Heating & Plumbing specialises in gas boiler installation, repairs and servicing across London and the Bexleyheath area. The company maintains an impressive 4.9 out of 5 star rating from 47 verified customer reviews on Google. Based in Bexleyheath DA6, they provide reliable heating solutions for both domestic and commercial properties.

Boiler installation and central heating work forms the core of what Plumbed Ltd offers across London, with the SE22 postcode placing them well for south-east neighbourhoods. The company handles both domestic and light commercial heating systems, operating under a straightforward, no-frills model. Further details on their scope of work are available at plumbed.uk.

Heating engineers covering London and the surrounding areas, Progas Heating Services Ltd handles gas and central heating work for residential and commercial customers. Based in SE26, the company carries out boiler installations, servicing, and repairs. No rating data is available, but the business maintains an active web presence at progasheating.co.uk for enquiries and bookings.

Heating engineers serving London from a South East base, McGrath Heating Services LTD covers installation, servicing, and repair work across the capital. The SE3 postcode places them within easy reach of both inner and outer London neighbourhoods, making them a practical option for residential and commercial customers requiring reliable heating work.

A perfect 5 out of 28 reviews sets Eco Warm Services Ltd apart among London's heating engineers. The company handles boiler and heating system work, with feedback pointing to consistent reliability rather than one-off jobs. Based in DA16, it serves households across the surrounding area.

Kent Boiler Solutions Ltd is a heating engineering firm serving London, covering boiler installation, servicing and repairs. Based near DA16, the company has built a record of 26 reviews averaging a full five stars. Work extends across general heating system maintenance for households in the surrounding area.

GAS FLOW 4U provides gas boiler engineering services across London, specialising in boiler installations, repairs, and maintenance for residential and commercial properties. The company has earned a perfect 5-star rating from 11 verified customer reviews on Google. Their qualified engineers handle everything from emergency boiler breakdowns to routine servicing and new system installations throughout the London area.

Boiler installation and breakdown repair form the core of the work at Boilers R Us, based in the DA16 area of London. The firm handles replacements and servicing for both combi and system boilers, with 81 Google reviews averaging 4.1 reflecting steady demand from local households.

DNB Heating provides gas boiler engineering services across London, specialising in boiler installations, repairs, and maintenance for residential and commercial properties. The company has earned a perfect 5-star rating from 14 verified customer reviews on Google, reflecting their reliable service and technical expertise. Their qualified engineers handle all aspects of boiler work, ensuring homes and businesses maintain efficient heating systems throughout the year.

Across Woolwich and the wider SE18 area, RJS Plumbing & Heating handles boiler repairs, servicing and general plumbing work for local households. The firm has built a solid reputation locally, reflected in a 4.8 rating from 20 reviews. Jobs range from routine maintenance to fixing heating faults that crop up during colder months.

Certified Group Ltd is a heating engineering firm operating in London, covering the SE10 area and surrounding neighbourhoods. The company handles gas heating installations, servicing, and repair work for residential properties. With a web presence at certifiedgasheating.co.uk, they offer a straightforward point of contact for homeowners seeking qualified gas heating support in south-east London.

Families across Belvedere and the surrounding DA17 area turn to Harvard Renewables Ltd for heating installation and repair work. The firm has built a small but consistent local following, reflected in a five star rating from eleven reviews. Their focus stays on renewable and conventional heating systems suited to typical London households.

A 4.2 rating from 22 reviews points to consistent workmanship at Bexley Plumbing Services, a heating engineer covering the DA17 area of London. The firm handles boiler and heating system work for local households, with feedback suggesting reliability rather than occasional flashes of excellence.

Jeeves Plumbing & Heating Ltd provides gas boiler engineering services across London, specialising in boiler repairs, maintenance, and installations. The company has earned a perfect 5-star rating from 3 verified customer reviews, reflecting their reliable service delivery. Their qualified engineers handle both residential and commercial gas boiler systems throughout the Greater London area.

Boiler replacements and repairs make up the bulk of the work carried out by Boilers South London, covering breakdowns, servicing and installation across the DA8 area. The firm holds a 4.3 rating from 11 reviews. Landlords and homeowners alike use the service for gas safety checks alongside routine heating maintenance.

Heating engineers covering south London, South Thames Gas Limited handles gas and central heating work for residential properties across the area. The company operates from the SE24 postcode, placing it well for homeowners throughout the surrounding neighbourhoods. Its focus sits squarely on domestic heating installations, servicing, and repairs.

District Services provides gas boiler engineering services across London and the surrounding areas from their base in Sidcup. The company has earned a 4.2 out of 5 star rating from 5 verified customer reviews on Google. They offer professional boiler repair, maintenance and installation services for residential and commercial properties.

Heritage Gas Services Ltd provides gas boiler engineering services across London from their base in SE9. The company maintains a 4.2 out of 5 star rating based on 5 verified customer reviews. Their team handles boiler installations, repairs, and maintenance for residential and commercial properties throughout the capital.