By Gas Heating Limited
Eastbourne
Checkatrade member since November 2021
Services
- Emergency Central Heating Repair
- Gas Boiler Installation
- Gas Boiler Servicing / Repair
- Gas Central Heating Installation
- Gas Central Heating Servicing / Repair
- Gas Cooker Installation
- Gas Safety Checks - CP12
- Smart Thermostats
Customer Reviews
Write a review9.95 /10
Based on 29 reviews over the past 12 months
Quality of work
9.97
Reliability
9.97
Communication
9.93
What customers are saying
AI-generated from customer reviews over last 24 months
Customers consistently praise this engineer for their professionalism, reliability, and high-quality workmanship. Reviewers frequently describe them as knowledgeable, efficient, and tidy, providing a trustworthy service with clear communication.
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Reviews (209)
- JJeremy Y
10 End of tenancy commercial property gas safety certificate & heater servicing.
Posted 2 days ago
One of only a few commercially qualified gas engineers in the area, Sergei communicated regularly & dis an excellent job. we are very happy, thank you.Verified reviewerJob location: BN9Response from By Gas Heating Limited
Thank you Jeremy for your positive review it’s greatly appreciated. Ensuring everything is compliant, safe, and completed efficiently is always our priority If you need any further assistance in the future, whether for ongoing maintenance or additional certifications, we’d be happy to help. Thanks again for choosing our services.
10 Reliable, has a strong work ethic and reasonable prices.
Posted 1 week ago
Job location: BN10Sergei fitted a new boiler for us 3 years ago. Since then he has serviced it every year. He is always friendly, patient and professional. Sergei explains everything he has done and is very thorough and efficient. His prices are very reasonable and once the work is completed, everything is left as he found it. I would not hesitate to recommend him.10 Quality and professionalism
Posted 15 March
Job location: BN20We had a full boiler replacement carried out with BY Gas Heating Ltd and were extremely impressed with the quality of work. The engineer demonstrated strong technical expertise, ensured correct system balancing, and completed a clean, compliant installation. They took the time to explain the controls, warranty details, and maintenance requirements. The installation was completed within the agreed timeframe and budget, with excellent attention to safety and detail. Overall, a very professional service and outstanding workmanship.Response from By Gas Heating Limited
Thank you, Tina, for your feedback—your teas and sandwiches were lovely!
10 Fast and reliable boiler replacement
Posted 27 February
When our boiler recently broke Sergei offered us to options: to fix or replace. We chose to replace it and he worked speedily and precisely to get it fitted properly. He was super professional and dedicated to doing the work to a really high standard. 100% recommend.Verified reviewerJob location: TN37Response from By Gas Heating Limited
I truly appreciate your positive feedback. It means a great deal to know the work met your expectations!
10 Gas boiler replacement and installation
Posted 26 February
Excellent installation of a new viesmann 200-W boiler, full system clean, new gas pipe work & fittings and worked to remove old substandard water mains fittings to increase flow and pressure. Very impressed with the clear attention to details, no fuss quote and he stood out from many of the others. If you want a professional job, honest and thorough workmanship that does cut corners and makes a superb tidy and certified solution look no further. Sergio is a quality gas engineer.Verified reviewerJob location: BN20Response from By Gas Heating Limited
Thank you Craig for your kind feedback. I’m glad to hear that you’re satisfied with the outcome. It was a pleasure working with you, and I look forward to supporting you again in the future.
- JJohn C
10 Trustworthy engineer
Posted 04 February
Stayed late until gas boiler problem was fixed.Verified reviewerJob location: TN34
Photos
Company Info
Owner
Mr. Sergei Askirka
Ltd Company
5 years on Checkatrade
VAT Registered
Yes: 408204527
BY Gas Heating Ltd is a trusted and professional company with over 20 years “hands on" experience in domestic and commercial gas, plumbing and heating industry.
We are dedicated to the highest standards of workmanship and customer service.
Our company is always up to date with the latest technology updates.
We are Atag, Vaillant, Viessmann, Worcester, Ideal, Baxi advanced installers allowing us to offer up to a 14-years warranty on new boiler installations.
We take our jobs very seriously and take pride in every job we carry out.
We cover all aspects of heating and plumbing work, and no job is too small.
We specialised on domestic and commercial gas appliances & fully qualified on Gas, Plumbing & Heating
Our service specialises in the following:
DOMESTIC
- Any Boiler Replacements
- Upgrades from gravity to Combi boiler systems therefore no cold water tanks required any more in loft areas + significantly improved water pressure throughout the house
- Fault Finding
- All General Plumbing
- Boiler Services
- HIU units service
- Boiler Breakdowns (ANY BOILER OLD & NEW)
- Power Flushing
- Central Heating Maintenance
- Central Heating Upgrades
- Radiator Installation
- Unvented Systems
- Hot water Cylinders
- Landlords/Homeowners Gas Safety Certificates
- Low Water Pressure
- Water Softeners
- Smart Thermostats (NEST, HIVE etc.)
COMMERCIAL
- Boiler breakdowns and servicing including: range of Hamworthy boilers old and new, Purewell Classic models, Fleet series, Vari Heat condensing + HE, Wessex ModuMax Eco Boilers, DR-LA Water Heaters +, Remeha Quinta Boilers, NY-Way, Riello burners, Hoval, Andrews ,Ideal, Worcester-Bosch, Vaillant, Viessmann etc.
- HIU units service
- Gas pipes upgrades
- Pressurising unit service and repair
- Hotels, Restaurants, Warehouses, Business Buildings, Schools & Hospitals
- Contract Maintenance
- CP16, CP17 etc.
- Planned Preventative Maintenance (PPM)
- 24-hour Reactive Response Maintenance and Cyclical Routine Maintenance
- Fault diagnosis & repair
- We Ensuring all work is carried out within the health and safety regulations
Fully insured with public liability insurance for domestic and commercial sites + Enhanced DBS Checked
We offer free, non-obligatory quotes and estimates
Payment option are available on new boilers and system upgrades
We accept all major types of credit and debit cards
For commercial customers we cover all areas within M25 including London
If you are interested in any of our services, please contact us for friendly, professional advice on all your plumbing and heating requirements. We look forward to hearing from you.
Thank you.
Accreditations and awards


This trade passed up to 12 Checkatrade vetting checks
Member since November 2021
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