Gas engineers in Welwyn

Name: Gas Engineer
Brand: MyBuilder
SKU: gas-engineer
Rating: 4.8 (223 reviews)

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Some of our top rated gas engineers in Welwyn

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Tagco Mechanical Services Limited
Rating: 5 out of 5
Gas Engineer in Welwyn
We are a plumbing and heating company based in the North London / Hertfordshire area who are competent to undertake all plumbing, Gas & air conditioning jobs. We take on work from general repairs to complete 1st fix & 2nd fix from beginning to end of project. We are members of the Gas safe register and F Gas qualified. We have experience working in existing properties , new builds and commercial properties. We strive to offer a top end service at an affordable, competitive price.
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Latest review:
Gas Work- 7 Sep 2025
Excellent experience with this company, after having a few quotes I went with my gut instinct and was able to negotiate a reasonable price. The team who carried out the installation works, was very polite, friendly and knowledgeable. Works completed to a very high standard. I would definitely recommend and will be using the company for future works.
LX Plumbing & Building
Rating: 5 out of 5
Gas Engineer in Welwyn
PLEASE ONLY SHORTLIST ME AFTER YOU SEEN MY QUOTE IN THE MESSAGE I HAVE SENT. PLEASE READ THE MESSAGE. Competent, skilled plumbing & building services professional with 20 years experience. By combining right blend of technical expertise and friendly professionalism, I ensure each customer is provided with safe, efficient and high quality service.
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Latest review:
Plumbing- 13 Jan 2023
Luan came and fixed a long term problem quickly and explained well exactly what the issue was. He was very clear on the quoted price and checked the cost was ok before buying any parts. Highly recommend and I would not hesitate to use his services in future.
Universal Gas Solutions
No reviews yet
Gas Engineer in Welwyn
Specialists in Residential, Commercial & Utility Gas Services. Supporting our customers - safety, sustainability and service are at the core of our business. Based in Bedfordshire, we provide specialist gas and building services to meet a variety of technical, repair, servicing and installation needs across the UK
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CT Home Services Ltd
Rating: 4.5 out of 5
Gas Engineer in Welwyn
CT Home Services Ltd is a family run business based In Bedfordshire , Hertfordshire , Cambridgeshire and surrounding areas. We specialise in Boilers, Central Heating systems, Plumbing , Bathrooms and Tiling. We pride ourselves on providing quality workmanship and customer service excellence. We are a small company so are able to provide very competitive prices with no call out fees and free quotations.
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Latest review:
Gas Work- 21 Aug 2021
A really great experience, they were very fast on site, great prices, exceptional service, we will definitely be using again for jobs on our other properties, thank you Natalie at Zeus International Ltd
IK Heating Ltd
Rating: 5 out of 5
Gas Engineer in Welwyn
We are highly qualified gas engineers and plumbers. We install new boilers Repair boilers/ Breakdown Heating and pluming solutions. Mega flow system Hive and Google nest
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Latest review:
Gas Work- 23 Mar 2022
I am very pleased with the work Muhammed did, I would highly recommend.
KPG Plumbing & Heating
New on MyBuilder
Gas Engineer in Welwyn
I have been a qualified plumber for over 4 years and also qualified in gas work for approximately 2 years. I am based in Stevenage, Hertfordshire but I have no issues travelling to other areas in Hertfordshire. Throughout my career I have gained experience and various skill sets within the plumbing and gas industry, for example, Taps or Sanitary installations, services and testing and all maintenance jobs Why should you consider hiring me for the job? I am reliable, friendly and committed to providing high-quality plumbing services at fair prices. I take pride in my work, pay attention to the little details and always aim to leave every customer happy with the results.
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Colin
No reviews yet
Gas Engineer in Welwyn
All aspect of plumbing and heating including domestic and commercial gas
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Pete's Plumbing and Heating
Rating: 5 out of 5
Gas Engineer in Welwyn
With over 20 years experience in many aspects of the of the domestic building industry, I currently cater for combi boiler installation, repair and open vented system conversions, power flushing, landlord safety certs, complete bathroom renovations. I am an honest, trustworthy individual with a personality people love. I aim to provide quality before quantity but understand the need for an efficient tidy experience. Best price guaranteed!
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Latest review:
Gas Work- 2 Feb 2019
Pete has done a fantastic job coming in £100 under the price quoted as took extra time to shop about for better priced parts. Very polite and friendly and very knowledgeable. Came to price up job and spent 2 hours looking at my boiler issues for no charge. I would recommend him to everyone I know .
GAS ECO HEAT
Rating: 5 out of 5
Gas Engineer in Welwyn
GAs Eco Heat have been providing high quality plumbing and heating services in Hertfordshire and London for over 15 years. Delivering a high standard of workmanship and service every time is our top priority. Our motto is : “start off as a customer - end up as friend“
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Latest review:
Job: Full system upgrade including boiler and cylinder replacement, power flush of central heating and gas safe certification. Comment on workmanship, professionalism and reliability: Our experience of Przemyslaw Tomiczek's work has been fantastic. He is consistently entirely reliable, always consummately professional, and the quality of his work and advice is excellent. After the full system upgrade that he undertook for us, we have continued to use him for any and all plumbing jobs that may arise. He is easy to reach, always more than willing to answer questions and provide guidance, and he takes pride in both his work and the relationship that he fosters with his clients.
Electro Heating Limited
Rating: 5 out of 5
Gas Engineer in Welwyn
Electro Heating are proud to offer specialist and comprehensive renewable and electrical services with expert areas in Heat Pumps, Solar Panels, Battery storage, EPC Energy Performance, and electrical car charger installation, repair and mainteinance. We cover London and The Surrounding areas with a high quality workmanship, providing NICEIC and MCS-approved teams to every home and business who needs us. Our engineers are trained with Vaillant, Mitsubishi and Daiking and abide by RECC regulations.
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Latest review:
Electrical- 27 Mar 2023
Ionut was very efficient, friendly and highly qualified. He was rigorous in making sure all electricals were safe and compliant and he issued me with an electronic certificate on the day. Totally recommend him. Many thanks
HEAT NEST LTD
Rating: 5 out of 5
Gas Engineer in Welwyn
NO CALL OUT CHARGE..... Gas Plumbing and heating engineer with 18 years experience in Boiler installation, Leaks , new taps , radiators , toilets , blockages 24/7 call outs and much more. Friendly , reliable and trust worthy. LOW RATE WITH QUALITY WORK.
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Latest review:
Gas Work- 2 Mar 2025
The job was professionally down, very responsive and punctual plus fair charge, happy.
L C Heating & Plumbing
Rating: 5 out of 5
Gas Engineer in Welwyn
Realiable and honest plumber who will help you sort out all you plumbing issues. Specialist on all plumbing related repairs and issues, from full installations to minor repairs, no job too big or too small.
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Latest review:
Plumbing- 18 Sep 2019
Louis was prompt, courteous and professional. My tap has been fixed I'm happy to say and my daughter can go back to using her own bathroom instead of hogging mine.
H&Q Consultants Ltd
No reviews yet
Gas Engineer in Welwyn
As a Gas Safe registered engineer I am committed to the highest standards of safety and professionalism. Few ways I can help with Gas Appliances: 👉🏽 Combi & System Boiler installations, 👉🏽 Repairs, Service and maintenance 👉🏽 Warranty Services 👉🏽 Landlord Gas Safety Inspection (LGSR) 👉🏽 Radiator installation & Replacement. 👉🏽 Gas Emergency Services - CallOuts Message me for a Free quotation and evaluation of the job you have in mind. All my work comes with workmanship warranty.
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Upgrade heating Ltd
No reviews yet
Gas Engineer in Welwyn
Plumbing & heating engineer, British Gas boiler installation contractor now expanding to offer private works. Over 15 years plumbing & heating experience.
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M Moran plumbing and heating
Rating: 5 out of 5
Gas Engineer in Welwyn
- I am a solo trader in the plumbing and gas industry - experience 6-7 years and have had my gas for 2 years. - When it comes to plumbing and gas I cover everything from tap changes, drainage, baths room installs, cylinders (vented and unvented) boiler services, gas certificates and all types on boiler and installs system, traditional, open flue, combis and LPG, I also do all my own heating and hot water system wiring as I have my part P. I also do all boiler break downs and maintenance.
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Latest review:
Central Heating- 20 Nov 2019
Michael did a fantastic job descaling my water tank and fitting a new heating element. Also fitting a new shower and taps and riser in my bathroom. He and his team were extremely professional and amenable, willing to fit around my busy schedule. A great team. Thank you for a superb job.
JWC Heating
Rating: 5 out of 5
Gas Engineer in Welwyn
We are a family run heating business covering Hertfordshire and Buckinghamshire. We are fully gas safe registered and offer a range of services but specialise in boiler installations. We pride ourselves on customer satisfaction and providing a first class service.
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Latest review:
John carried out a total removal of previous heating system and installation of new heating system including radiators, boiler and pipe work. John completed the work to a timescale, his fee was competitive, his demeanour was friendly and professional and his service was of a high quality. John completed a lot of the work whilst the house was empty. Not only is John professional, he is reliable, likeable and trustworthy. He even came around in his own time to talk us through the system. I would definitely use him again.

4.8

Top rated Gas Engineers

Our Gas Engineers in Welwyn, are rated 4.8 out of 5 based on 223 reviews from customers like you.

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What types of services are offered by local gas engineers in Welwyn?

Gas engineers in Welwyn can provide several services to help protect you and your home. Whether you’re upgrading your boiler, improving heating performance, or arranging a safety inspection, a gas engineer can help.

Here are some of the most common services offered by gas engineers in Welwyn:

Gas boiler installation: Fitting new boilers safely and efficiently, ensuring compliance with Gas Safe regulations.
Gas boiler servicing: Performing routine annual maintenance to keep your boiler running efficiently and identify early signs of wear.
Gas boiler repair: Diagnosing and fixing faults such as leaks, low pressure, or ignition issues.
Central heating installation and upgrades: Installing or upgrading radiators, thermostats, and pipework to improve heat distribution.
Landlord Gas Safety Certificates (CP12): Carrying out legally required annual checks for landlords and issuing certification.
Gas leak detection and repair: Locating and repairing gas leaks quickly and safely to prevent hazards.

MyBuilder makes it easy to find a Welwyn gas engineer urgently, helping you to keep your home safe. Simply post your job on MyBuilder, and available gas engineers near you will register their interest.

You can compare reviews and photos from previous jobs, discuss the work you need done in more detail and request quotes, all before you decide who to hire. The choice is entirely yours. Find the right Welwyn gas engineer for your job easily on MyBuilder!

Hourly rates of gas engineers in Welwyn

The average hourly rate for a gas engineer in Welwyn is around £45 to £60 per hour, depending on the type of job and the engineer’s experience. Some may charge a daily rate of £250 to £400, particularly for larger or more complex projects.

Keep in mind that hourly and daily rates usually don’t include the cost of replacement parts, new appliances, or additional repair work, so it’s always best to confirm what’s included before hiring.

Here are some average prices for common gas engineering services in Welwyn:

New Gas boiler installation cost: £1,500–£4,000
Gas boiler servicing cost: £80–£120
Gas boiler repair costs: £100–£250
Central heating installation cost: £1,500–£4,500
Gas safety certificate cost: £60–£100
Gas leak detection and repair: £80–£250

Find a gas engineer in Welwyn with MyBuilder

At MyBuilder, finding an available gas engineer in Welwyn couldn’t be easier. Creating a job post takes just a few minutes and saves you the time and hassle of endless online searching.

Once your job is live, we’ll share it with gas engineers around Welwyn. Those who are available and interested will register their interest. And from there, it’s over to you.

Here’s how the process works:

Step 1: Share your gas works job

Describe your gas-related job with as much detail as possible, including images if required - whether it’s a new boiler installation, a repair, or a safety check, and post it to MyBuilder for free. Local gas engineers in Welwyn can then view your listing and express their interest.

Step 2: Browse and compare Welwyn gas engineers

Browse through the profiles of interested gas engineers in Welwyn. Here, you can read real customer reviews, compare quotes, and review their past projects all in one place. You can also message interested Welwyn gas engineers directly to discuss your job and confirm important details like timelines and pricing.

Step 3: Hire with confidence

Once you have decided on the right gas engineer in Welwyn for your job, you can hire with confidence. Every tradesperson on MyBuilder, including Welwyn gas engineers, undergoes checks at registration.

This includes ID documents, company details, qualifications for regulated work, and skills assessments, so you can be sure your home is in safe hands.

Questions to ask a gas engineer in Welwyn

Choosing the right gas engineer is essential, not just for quality but also for your safety. You can be sure you find a suitable gas engineer by asking the right questions.

Some key questions you should ask before hiring a gas engineer in Welwyn include:

Are you Gas Safe registered?

This is the most important question to ask. Only Gas Safe–registered engineers are legally permitted to carry out gas work in the UK. Ask to see their Gas Safe ID card, which lists the types of gas appliances they’re qualified to work on.

What experience do you have with this type of job?

Whether you need a boiler installation, central heating repair, or a gas safety check, look for someone who has completed similar work recently. Experience with your specific appliance brand or system can help avoid costly mistakes.

Can you provide a detailed written quote?

A professional gas engineer in Welwyn should offer a clear, itemised quote covering labour, parts, call-out fees, and VAT. This avoids unexpected costs and lets you compare prices easily between engineers.

Do you offer any warranty or guarantee?

Ask whether the engineer guarantees their workmanship and if the manufacturer provides a boiler or parts warranty. Many gas engineers in Welwyn back their work for 12 months or more.

Do you offer emergency call-outs?

Gas leaks and heating failures can happen at any time. Ask if the Welwyn gas engineer provides 24/7 emergency cover, and confirm how quickly they can attend.

What are your charges for emergency or out-of-hours work?

Many Welwyn gas engineers charge a higher rate for evenings, weekends, or emergencies. You should be aware of these rates in advance to avoid unexpected costs if something goes wrong outside normal working hours.

Will you provide a Gas Safety Record after the work?

For installations or inspections, your Welwyn gas engineer should issue a Gas Safety Record (CP12) confirming the appliance or system has been checked and meets legal safety standards. Be sure that the engineer you choose will do so, if required for the job.

FAQs: Frequently asked questions when looking for gas engineers in Welwyn

How do I check if a gas engineer is Gas Safe registered?

You can verify any gas engineer in Welwyn’s registration by visiting the Gas Safe Register website. You can also ask to see their Gas Safe ID card, which shows their licence number and the types of gas work they’re qualified to carry out.

How long does it take a Welwyn gas engineer to install a new boiler?

A straightforward boiler replacement typically takes one to two days. More complex upgrades (like moving a boiler or updating pipework) may take longer.

Do I need a gas engineer in Welwyn to conduct an annual gas safety check?

Yes, it’s recommended for all homeowners and legally required for landlords. Annual checks keep appliances safe, efficient, and compliant with UK regulations.

Can I ask a plumber in location to work on gas appliances?

Only if they are Gas Safe registered. Some plumbers in Welwyn hold dual qualifications, but unless they appear on the Gas Safe Register, they cannot legally work on gas installations or appliances.