Gas Engineers in Hertfordshire

Name: Gas Engineer
Brand: MyBuilder
SKU: gas-engineer
Rating: 4.8 (273 reviews)

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Some of our top rated gas engineers in Hertfordshire

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Green Flame Energy LTD
Sponsored
Rating: 5 out of 5
Gas Engineer in Hertfordshire
Green Flame Energy Specialist in all areas including Gas safe installer Boilers Full bathroom design & installation Air source heat pumps Hot water cylinders central heating & plumbing installation & maintenance undertaking small & large projects with a great eye for quality with over 23 years experience with fantastic customer care & knowlage
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Latest review:
Gas Work- 18 Jun 2026
Tommie was professional from the start; his quote for boiler replacement was clear, and he arrived promptly on the day and completed the work to a high standard. I'd gladly recommend him for your boiler update/replacement needs!
Parkway plumbing and heating
Rating: 5 out of 5
Gas Engineer in Hertfordshire
Hi I'm qualified plumber and gas engineer over 10 years experience I take job from small leaks to installation, reasonable prices ,quick respond 24 hours emergency call out
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Latest review:
Gas Work- 29 Mar 2026
Was local, turned up in 10 mins to take a look at faulty valve, had a part, so fixed it then. All good now.
Cavendish Plumbing Heating and Gas Limited
Rating: 5 out of 5
Gas Engineer in Hertfordshire
Family run, professional and reliable plumbing, heating and gas engineers with over 20 years experience! We carry out high quality and efficient work by our friendly and highly skilled engineers. All aspects of plumbing work undertaken, full central heating systems, boiler servicing and repairs, gas safety certificates, power flushing and radiators, showers, fitted bathrooms and tiling.
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Latest review:
Having done a lot of research on numerous plumbing companies to totally refit my bathroom I had quite a few personal recommendations from previous customers advised by and who had employed Cavendish Plumbing and who in the event did a very professional job at a reasonable price. They were on time at every arranged visit , cleaning each night leaving things very tidy for our use. Would not hesitate to recommend them to anyone if they require a reasonably priced bathroom conversation executed by very professional plumbers or for that matter not so extensive plumbing works.
Brett O'Connor
Rating: 5 out of 5
Gas Engineer in Hertfordshire
OC plumbing and gas have been up and running for 17 years now. We carry out all your needs from a dripping tap to a faulty heating pump. With experience and good knowledge in the plumbing and heating industry we are happy to help and give any advice needed 24 hour callout Gas safe engineer Please don’t shortlist me, If I’m not getting the job. **NO TIME WASTERS PLEASE**
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Latest review:
Gas Work- 21 Nov 2025
Efficient, professional and friendly
ASSURED ENGINEERS
Rating: 5 out of 5
Gas Engineer in Hertfordshire
- Gas safe registered company - Boiler and heating system repair specialist - All heating systems installed, from straight swaps all the way through to full systems. - Central heating system control upgrades - All work is guaranteed - Free surveys for installations - Fully insured
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Latest review:
Gas Work- 25 Jun 2026
Tony did an excellent job of replacing my old gas hob with a new one, spending some time to fit the hob on the worktop correctly and checked thoroughly for any gas leaks. Left the area clean and even offered to take away my old hub for recycling free of charge. I would definitely recommend Tony and his company “Assured Engineers”.
Pipeline Plumbing Ltd
Rating: 4.9 out of 5
Gas Engineer in Hertfordshire
Pipeline Plumbing is building a reputation as a trustworthy plumbing and heating company that offers exceptional workmanship. We take absolute pride in our work and strive to meet your needs. We offer all aspects of plumbing and heating including: • Boiler Installations • New Central Heating Systems • Vented/Unvented Hot Water Systems • All Gas Work • Gas Safe Certificates and more. We are Gas Safe Registered
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Latest review:
Gas Work- 25 Feb 2021
Punctual Professional Friendly Certificate supplied Very happy with everything
Henry Plumbing & Heating
Rating: 5 out of 5
Gas Engineer in Hertfordshire
I am a fully qualified plumber and gas safe engineer.I have been doing plumbing since the age of 16.I have worked as a multi trader in plumbing,carpentry,bathroom installation.I went on to gain Level 2 City and Guilds qualification in Plumbing and Level 3 in gas.I have 2 million public liability insurance.All works fully guaranteed and insured. Boiler,taps,radiators,landlord certificate,breakdowns,emergencies. Thank you for reading this.
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Latest review:
Gas Work- 4 Feb 2019
Very polite and knowledgeable. Came at short notice after hours to suit my needs. Would highly recommend.
Southdown heating
Rating: 5 out of 5
Gas Engineer in Hertfordshire
Southdownheating dot co dot uk I'm a plumber and heating engineer, based in Harpenden, Hertfordshire. I'm keen to help customers with installation, service and repair of: gas boilers, fires, cookers, central heating systems and general plumbing.
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Latest review:
Gas Work- 25 Apr 2025
Excellent service from Southdown Heating David made a very professional job of fitting a gas hob to replace the existing electric one. Neat pipework installed under/behind the kitchen work units - completely invisible. I'd certainly use Southdown Heating again.
AB HEATING
Rating: 5 out of 5
Gas Engineer in Hertfordshire
Here at AB HEATING we are a plumbing and Gas safe registered company, covering a range of areas in Hertfordshire and North London
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Latest review:
Gas Work- 26 May 2026
Great service from Ashley. Great communication and very professional. Highly recommend
Simon Bozier plumbing and heating
Rating: 5 out of 5
Gas Engineer in Hertfordshire
We are a local family run business in welwyn garden city for the last 25 years. We carry out all gas work. Boiler upgrades, Boiler services, landlord safety checks, fires, cookers. All plumbing works including bathrooms. We have been gas safe for over 25 years. We are also your local Painting and Decorating company covering all aspects including wallpapering. Please don't contact unless you are interested. We do get charged for your interest
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Latest review:
Gas Work- 10 Jun 2020
Simon Respond quickly and completed the job without any fuss.
P3 Heating Services
Rating: 5 out of 5
Gas Engineer in Hertfordshire
reliable heating engineer with over twelve years of experience on english market, registered and with full liability insurance , reg nr 221267, certificates, fix and comlete upgrade projects for all kind of domestic commercial and industrial instalations,
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Latest review:
Gas Work- 24 Nov 2019
I hired Tomasz Jankowski for a job on a gas fire, and asked him to service a boiler. The work is excellent, with both tasks performed very competently. Tomasz J. takes his time to ensure that everything is working perfectly and takes particular attention to details. I strongly recommend.
Kings Renovations
Rating: 5 out of 5
Gas Engineer in Hertfordshire
Kings Renovations Values: 'Trust, Transparency & Value'. We are a well-established company serving the Hertfordshire and London boroughs. Every member of our team takes pride in what we do and provides a professional, friendly service for all your home and commercial renovations needs. We specialise in bathroom renovations, painting & decorating’s, boiler installation/repair and electrics. Every aspect of our service is anchored to our three values transparency, trust, and value for service.
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Latest review:
Handyman- 8 Apr 2018
Would recommend Josh, he was punctual, polite and very diligent in the varied maintenance jobs that we wanted done.
Gas 101
Rating: 5 out of 5
Gas Engineer in Hertfordshire
Fully qualified gas safe plumbing and heating engineer with over 15 years experience. All jobs small or large completed to a very high standard. My main focus is customer satisfaction and transparency. I take a lot of pride in my work and always aim for high quality finishes. I specialise in boiler repairs, Fault finding heating systems, system maintenance, radiator and boiler installations, system designs and all types of plumbing work. I offer free quotes and reduced prices to OAP’s. I cover all of North London and Hertfordshire. Please get in touch for any enquires.
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Latest review:
Gas Work- 2 Apr 2026
Excellent service. Was able to tell me potential issues before coming. Did not charge me for any hidden fees. Would use again when needed
Blueline Installations
Rating: 5 out of 5
Gas Engineer in Hertfordshire
We are Blueline your friendly gas and heating engineering company. Providing great service, quality workmanship and satisfaction guaranteed. Whatever your plumbing or heating needs are however big or small, we are ready to get the job done right.
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Latest review:
Gas Work- 28 Aug 2018
Excellent reliable service. Chris was really polite, nothing was too much trouble for him and his attention to detail was fantastic. Would thoroughly recommend and would definitely use him again.
TA Plumbing & Heating LTD
Rating: 5 out of 5
Gas Engineer in Hertfordshire
All Aspects of domestic gas and plumbing works in private housing .From leaky taps to full installations of Bathrooms . Boiler and heating installs . Gas safety checks . Landlord safety checks . Boiler and Heating system breakdowns
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Latest review:
Gas Work- 6 Jun 2016
Posted the job at 6pm on Friday and the work was done by midday on Saturday. Very communicative and arrived exactly when he said. Would definitely recommend him
jj heating and cooling ltd
Rating: 4.9 out of 5
Gas Engineer in Hertfordshire
welcome to JJ heating and cooling ltd. Gas safe register Number 626929. We install new central heating systems, boiler installations, power flush, Landlord Certificate, boiler service, boiler repair, We're there for you, in person, both during and outside of normal office hours, DBS Checked engineer, you can be sure that you are in safe hands with our approved, qualified engineers. We are providing a fast, efficient and professional service, with local prices.
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Latest review:
Gas Work- 6 Mar 2021
The boiler and gas meter were inspected and the filter was cleaned, professionally and quickly.
GS David Bayliss
Rating: 4.8 out of 5
Gas Engineer in Hertfordshire
Gas safe engineer, plumbing, leaks , drainage, kitchens & bathrooms
Get in touch
Latest review:
Gas Work- 23 Jun 2026
David serviced my boiler. He was thorough and knowledgeable - and took time to explain everything he was doing. I will definitely call him for any future work, and would recommend him.

4.8

Top rated Gas Engineers

Our Gas Engineers in Hertfordshire, are rated 4.8 out of 5 based on 273 reviews from customers like you.

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Easily find verified local tradespeople. Just post your job to get quotes from tradespeople near you across the UK.

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

Gas engineers in Hertfordshire 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 Hertfordshire:

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 Hertfordshire 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 Hertfordshire gas engineer for your job easily on MyBuilder!

Hourly rates of gas engineers in Hertfordshire

The average hourly rate for a gas engineer in Hertfordshire 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 Hertfordshire:

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 Hertfordshire with MyBuilder

At MyBuilder, finding an available gas engineer in Hertfordshire 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 Hertfordshire. 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 Hertfordshire can then view your listing and express their interest.

Step 2: Browse and compare Hertfordshire gas engineers

Browse through the profiles of interested gas engineers in Hertfordshire. Here, you can read real customer reviews, compare quotes, and review their past projects all in one place. You can also message interested Hertfordshire 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 Hertfordshire for your job, you can hire with confidence. Every tradesperson on MyBuilder, including Hertfordshire 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 Hertfordshire

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 Hertfordshire 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 Hertfordshire 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 Hertfordshire 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 Hertfordshire 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 Hertfordshire 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 Hertfordshire 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 Hertfordshire

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

You can verify any gas engineer in Hertfordshire’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 Hertfordshire 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 Hertfordshire 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 Hertfordshire hold dual qualifications, but unless they appear on the Gas Safe Register, they cannot legally work on gas installations or appliances.