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Hertfordshire
Knebworth

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Gas Services in Hertfordshire in Knebworth

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Gas Safety Certificate Boiler Service Boiler Repair Boiler Service & Repair Special Offer - Boiler Service + Gas Certificate

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Meter & 1 appliance Meter & 2 appliances Meter & 3 appliances Meter & 4+ gas appliances

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Gas Certificate CP17 LPG Boiler Service Special Offer - Boiler Service + CP17 Special Offer - Boiler Service + LPG

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Meter & 1 appliance Meter & 2 appliances Meter & 3 appliances Meter & 4+ appliances

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1 LPG appliance 2 LPG appliances 3 LPG appliances 4+ LPG appliances

Number of Gas appliances:

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Boiler service & 1 appliance Boiler service & 2 appliances Boiler service & 3 appliances Boiler service & 4+ appliances

Number of LPG appliances:

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Boiler service & 1 appliance Boiler service & 2 appliances Boiler service & 3 appliances Boiler service & 4+ appliances

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Is there any issue with your boiler?

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Which of the following best describes your issue?

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No HeatingNo Hot WaterBoiler Making Noises (kettling effect)Display error codesLow pressurePump, valves & burner problemsBoiler ignition faultsFaulty circuit boards (PCB)Timer & programmer troubleBoiler LeakingThermostat issuesOther

The Engineer will diagnose the problem, and carry out repairs, all within the hour. If additional parts & labour are required, they will be quoted seperately onsite.

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14 results

Property by AK AK

4.8

117

Hiya, Property by AK welcomes you, we are a team of reg...Read Moreistered gas engineers & electricians over 7 years experience in heating & and electrical work, feel free to reach out and we can help! Hope to see you soon! Show less

287 hiresACCRED No: 663775+1

Suresh is excellent, highly recommended!

Conrad Marais

5.0

I’m an experienced domestic gas engineer providing bo...Read Moreiler installations, servicing, and repairs. I’m committed to safety, reliability, and customer satisfaction, always aiming to deliver efficient solutions and clear communication from start to finish. Show less

40 hiresSame day Gas Safety

Very professional , helpful and committed engineer.High...Read Morely recommended Show less

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B.BAAH & CO

4.8

121

We provide boiler/ heating installations, services, and...Read More repairs as well as landlord certs (cp12). We cover the LU AL MK areas Show less

310 hiresACCRED No: 588378

Benjamin was very professional and friendly and perform...Read Moreed the job required to a high standard. Would recommend to all. Show less

Kazim Hussain shah

4.6

566

Gas engineer land lord certificate, boiler and gas Hob ...Read Morealso can do insulation of boiler and Radator vented cylinders I can also serivce heat pumps Show less

2413 hiresACCRED No: 935264+1

Nothing all good

Keith Munemo

4.9

Friendly and reliable Gas Engineer for your servicing n...Read Moreeeds and Landlord Gas Safety Checks, same day certificates. Boilers, Cookers and Fires covered. Show less

35 hiresSame day Gas Safety

Polite and good explanation of what was happening

Arminas Janciauskas

4.8

Gas safe engineer covering Harlow and surrounding areas...Read More Show less

189 hiresACCRED No: 943378+1

Very efficient

THR Gas and Heating Solutions

4.8

Fully accredited Gas Safe engineers with years experien...Read Morece with British Gas as lead technical support engineer.Install, upgrade, service and repair all types of gas appliances and central heating.FREE quotation provided for a new boiler on request and up to 10 years guarantee on all boiler installs.System upgrades such as smart controls and designer radiators.Landlord gas safety certificatesCooker/Hob or Fire installation or service/repairFriendly, knowledgeable, trustworthy, reliable, gentle, Non-smoker/alcoholic, and always happy to offer advice. Please inquire now to get your boiler service/repair or replace.All work is under up to 1 year guarantee (T&C apply). £5 million liability insurance cover. Show less

116 hiresSame day Gas Safety

Excellent service at a very reasonable price.

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EPC Specialist

4.7

Gas ,EPC, Electrical Certificates Experienced domestic...Read More electrician carrying all types of domestic electrical installations and electrical inspection and testing (EICR) Show less

361 hiresACCRED No: 636076

Very happy with the work carried out. It was completed ...Read Moreahead of schedule and exactly to my specifications. Will use again. Show less

ELC Boilers

5.0

Starting a new venture after working for British Gas as...Read More a service and repair engineer for 10 years I am qualified to work on all domestic gas appliances. Show less

80 hiresACCRED No: 674405

Very impressed with the excellent service provided . W...Read Moreouldn't hesitate to recommend H for anyone needing Gas services . Show less

Via gas engineering Ltd ( same day certificate)

4.8

. Welcome to Via Gas Engineering Ltd's profile, I hav...Read Moree over 5 years’ experience within the trade, we offer a friendly and reliable service. Our services include: Boiler Repairs / Servicing Central Heating - Gas - Installation / Servicing Central Heating - LPG - Installation / Servicing Gas Boiler Installation Gas Cooker Installation Landlord Gas Certificates / Safety Checks Smart Thermostat Power flush Cylinder Replacement/new gas pipes Plumbing Show less

64 hiresACCRED No: 07525775771+1

Excellent experience and a very polite and experienced ...Read Moreengineer. Show less

PENTHOU53 Ltd

4.9

We take great pride in our workmanship which is of the ...Read Morehighest standard, we focus on offering a quality service maintaining the safety and reliability of your gas boiler and your central heating system. Show less

132 hiresACCRED No: 629946+1

Excellent.

Pedro Mcleod

Certified domestic Gas Safe engineer specializing in CP...Read More12 Gas Safety Inspections and Landlord Certificates. Experienced in ensuring compliance, and delivering reliable, safety-focused solutions for residential properties. Show less

2 hires

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zafar mahmood

At ZMS Services, we specialize in comprehensive heating...Read More and plumbing solutions with a focus on safety and efficiency. As a Gas Safe Registered specialist, I provide a wide range of essential services including: Emergency Call-Outs & Repairs Gas Safety Certificates (Landlord Checks) Boiler Installations & Heating System Maintenance Power Flushing & Fault Finding General Plumbing & Green Energy Solutions With a focus on quality workmanship and clear communication, ZMS Services ensures your home stays warm and your water stays flowing. Professional, reliable, and always ready to help. Show less

Khalid Hussein

4.9

Experienced gas services technician specializing in ins...Read Moretallation, maintenance, and safety compliance. Committed to reliable, efficient, and safe solutions for residential and commercial clients. Show less

3 hiresACCRED No: 5780693

Excellent

Accredited & Trusted Service Providers

Trustpilot

10442

Reviews

36979

Hires

Mohammed K.

5.0

Thank you, i will definitely recommend him to other people

May 14, 2026 Verified

Manuel L.

5.0

Keith was a very professional and well spoken decent guy and will have no hesitation in using him again

May 14, 2026 Verified

Kirsty O.

5.0

I have used Jamie a few times now, always my first choice

May 14, 2026 Verified

Ann Marie C.

5.0

Great service from Conrad Marais. Conrad was professional, timely and efficient. He was friendly and helpful and I would have no hesitation recommending him.

May 13, 2026 Verified

Christina K.

5.0

He was well spoken, polite and very knowledgeable

May 13, 2026 Verified

Tom H.

5.0

Great contractor, very friendly and punctual.

May 12, 2026 Verified

Neil P.

5.0

He checked everything in the bungalow thoroughly & was totally professional

May 10, 2026 Verified

Mandy W.

5.0

Arrived on time, very professional and friendly.

May 10, 2026 Verified

Barry S.

5.0

Professional. Would use again and highly recommend.

May 10, 2026 Verified

Adrian D.

5.0

Great experience, polite and professional. Highly recommend.

May 09, 2026 Verified

Antony W.

5.0

Very friendly and helpful. Explained everything he was doing. Great communication prior to arrive. Arrived at time stated

May 08, 2026 Verified

Adam R.

5.0

Vishal was courteous, explained everything clearly, did a thorough job and promptly responded to my communication, will likely be using his services for any future gas/boiler needs.

May 07, 2026 Verified

Anthony B.

5.0

Turned up on time, did a professional job with a smile!

May 07, 2026 Verified

Julia G.

5.0

Polite & professional. Fantastic service. Will get him back next year.

May 06, 2026 Verified

Philip C.

5.0

Great. He called in advance to confirm the time and appointment and to get details of the job. Was prompt, professional and a pleasure to work with. Highly recommend.

May 05, 2026 Verified

Rahela R.

5.0

Ali come on time, he was informative, and helpful. I will definitely use his service again. Thank you!

May 04, 2026 Verified

Hazel g.

5.0

Very experienced and gave very helpful feedback.

May 04, 2026 Verified

Oktay Z.

5.0

Thanks Vishal, great service on my boiler and highlighting a number of issues overlooked by other engineers. Very clean and polite