
DL Gas & Maintenance Ltd. is a family-owned service company based in East London, specializing in a wide range of gas engineering services. The company employs highly experienced Gas Safe registered engineers who are qualified in various areas, including NICEIC and Water Safe certifications. Their offerings encompass boiler installations, repairs, and servicing, as well as landlord certificates (CP12), central heating power flushing, gas fire installations, and plumbing services. Catering primarily to residential customers in East and South East London, as well as Dartford, DL Gas & Maintenance aims to provide reliable and efficient solutions for domestic gas and plumbing needs. The company operates 24/7, ensuring prompt responses to urgent service requests. Committed to customer satisfaction, all services come with a one-month guarantee, covering labor and call-out fees for any follow-up work needed within that timeframe.
Reviewers consistently praise DL Gas & Maintenance for their exceptional service, particularly highlighting the expertise and professionalism of Donovan Johnson. Customers express gratitude for his thoroughness and dedication during gas maintenance visits, noting that he not only identifies issues quickly but also ensures they are resolved with care.
Many describe their experiences as "brilliant" and commend the company's reliability, especially in emergency situations. The communication throughout the process is frequently mentioned as clear and informative, contributing to a seamless experience. People also appreciate the company's efficiency in boiler installations, with several stating that the work was completed on time and without mess.
Summary generated with AI from recent reviews
Each source counts by its number of reviews. Only reviews written by people are scored.
| Source | Rating | Reviews | Weight | 6-mo | Fake risk |
|---|---|---|---|---|---|
Trustpilot Imported Trustpilot reviews | 5.0 | 12 | 100% | ● Low |
Monthly average rating from reviews written by people · latest review May 2025.
| Month | Average | Reviews |
|---|---|---|
| Dec 24 | 5.0 | 2 |
| Jan 25 | 5.0 | 3 |
| Feb 25 | 5.0 | 1 |
| Mar 25 | 5.0 | 1 |
| Apr 25 | 5.0 | 1 |
| May 25 | 5.0 | 1 |
Share of positive (4–5★) and negative (1–2★) reviews mentioning each topic · based on the 12 most recent reviews.
“I’d like to extend my sincere thanks to Donovan Johnson for his outstanding service during a recent gas maintenance v...”
Same method for every company: overall rating, legitimacy checks, the average rating of reviews mentioning each area and the 6-month trend · HVAC Services.
| Company | Overall | Legit | Service | Trend | Reviews |
|---|---|---|---|---|---|
| 5.0 out of 5 (good) | 100 out of 100 | 5.0 out of 5 (good) | — | 12 | |
| 2.6 out of 5 (poor) | 100 out of 100 | 1.7 out of 5 (poor) | — | 1,129 | |
| 5.0 out of 5 (good) | 100 out of 100 | 5.0 out of 5 (good) | — | 195 | |
| 5.0 out of 5 (good) | 100 out of 100 | 5.0 out of 5 (good) | 0% | 192 | |
| 4.7 out of 5 (good) | 100 out of 100 | 4.8 out of 5 (good) | — | 103 |
Bottom line: DL Gas & Maintenance is #1 of 5 on overall rating in this group.
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DL Gas & Maintenance Ltd. is a family-owned service company based in East London, specializing in a wide range of gas engineering services. The company employs highly experienced Gas Safe registered engineers who are qualified in various areas, including NICEIC and Water Safe certifications. Their offerings encompass boiler installations, repairs, and servicing, as well as landlord certificates (CP12), central heating power flushing, gas fire installations, and plumbing services. Catering primarily to residential customers in East and South East London, as well as Dartford, DL Gas & Maintenance aims to provide reliable and efficient solutions for domestic gas and plumbing needs. The company operates 24/7, ensuring prompt responses to urgent service requests. Committed to customer satisfaction, all services come with a one-month guarantee, covering labor and call-out fees for any follow-up work needed within that timeframe.
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