How it works
-
Post a job
Tell us about your job, and we'll alert suitable heating engineers in Welwyn. It’s simple and free.
-
Tradespeople respond
Once your job is posted, you'll get responses from interested heating engineers through the website.
-
Review and choose
Browse profiles, work history, and feedback, then choose who you wish to share your details with.
-
JM Heating Services Ltd
99 reviews • 100% positive ratingHeating Engineer working in WelwynTrade Member since 2017Hello, my name is Jack from JM Heating Services. We are a company based in Hertfordshire but also branch into London and surrounding areas. We cover all aspects of the plumbing, heating and gas sector, and always to the highest standard. It can be anything from a tap read more
Latest Gas Work feedback review:
Boiler service required
Really happy with Jack. He initially serviced the boiler but we've since used him for other plumbing work and will continue to use him.
By liz49334 on 5th Dec, 2019
-
L Clayton
125 reviews • 100% positive ratingHeating Engineer working in WelwynTrade Member since 2021My names Lester, been doing the gas/heating and plumbing for about 20 years.I have 8 years experience working for one of the leading boiler manufacturers so knowledgable and confident on boiler breakdowns and 6 years working for a housing association carrying out reactive read more
Latest Gas Work feedback review:
Annual Gas Safety Check
Good communication and got the job done efficiently. Satisfied customer.
By dominic_peters on 30th May, 2023
-
Gecko Gas Heating Plumbing
90 reviews • 100% positive ratingHeating Engineer working in WelwynTrade Member since 2020Taking care of all your Gas heating & plumbing needs, Fully qualified Gas Safe engineer. Our Services include domestic plumbing, Gas Servicing & Radiator repairs, Boiler installations. Shortlist me for a competitive quote. read more
Latest Plumbing feedback review:
Dripping Tap : Basic Job
A simple replacement tap fit, quickly and professionally done.
By alistair_97 on 23rd Mar, 2023
-
Henry Plumbing & Heating
131 reviews • 100% positive ratingHeating Engineer working in WelwynTrade Member since 2019I 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 read more
Latest Central Heating feedback review:
No central heating
Knew exactly what he was doing, did the job very quickly, gave solid advice and recommendations and to top it off answered all our questions with expert answers.
By kenfc on 10th Oct, 2021
-
Parkway plumbing and heating
102 reviews • 100% positive ratingHeating Engineer working in WelwynTrade Member since 2021Hi 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 read more
Latest Plumbing feedback review:
Replace old sink in toilet
The plumber arrived at the time he said he would. The job was done to a good standard, neat and tidy work Would hire again.
By havent_got_one_82 on 29th May, 2023
-
Lh plumbing and heating
52 reviews • 100% positive ratingHeating Engineer working in WelwynTrade Member since 2017We are L H Plumbing and Heating . We have 14+ years domestic , commercial , private and social housing plumbing , heating and drainage experience . We can do anything from as little as tap washers to full bathrooms, new hot water cylinders , radiator installs , cold water read more
Latest Plumbing feedback review:
Replace Grohe Taps
Lois was a lovely guy - communication was amazing, I rang for advice first and then ordered replacement Tap - then he cam to fit within 2 days. on time, quick and thorough! and to top it off a really lovely guy! I am chuffed i now...
By karly52442 on 7th Mar, 2023
-
Pipeline Plumbing Ltd
38 reviews • 97% positive ratingHeating Engineer working in WelwynTrade Member since 2020Pipeline 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 read more
Latest Gas Work feedback review:
Boiler service
Very good did what he said good service happy customer.
By stewart42211 on 17th Aug, 2021
-
GC Plumbing and Heating
8 reviews • 100% positive ratingHeating Engineer working in WelwynTrade Member since 2017Hi we are a small plumbing business that strives in offering quality work at great prices, from changing a radiator valve to full bathroom refurbishments we are here to help. I have over 15 years experience and am fully qualified. read more
Latest Central Heating feedback review:
Removal of two raidiators
Glenn is a great guy. Quote was done quickly and easily and we booked an appointment very promptly. He was fast and professional and he did a great job and a good job cleaning up afterwards. I would definitely use him again.
By mrawesomep on 16th Mar, 2019
-
iGas Heating
15 reviews • 93% positive ratingHeating Engineer working in WelwynTrade Member since 2016Plumbing, Heating and Gas Specialist. Full service from leaky taps right through to full central heating installation. Gas Safe Registered for Domestic and Commercial Works. Fully Qualified and Fully Insured read more
Latest Central Heating feedback review:
Adding thermostat and controls to annexe
Work was carried out to a good standard and in a timely manner. Thanks Lee for your assistance, everything continues to work as required. The controls you suggested are straight forward to use. Fully Recommended!
By bungalowrefurb on 10th Jan, 2017
-
React4 Plumbing & Heating
20 reviews • 100% positive ratingHeating Engineer working in WelwynTrade Member since 2015React4 is a family run business based in Hertfordshire with over 30 years experience in the trade. Working together as father and son we cover all aspects of plumbing, heating and gas, including both reactive work and planned installs. At React4 we pride ourselves on our read more
Latest Plumbing feedback review:
Toilet pipe
Very happy with the whole experience and I would recommend them to everyone
By argenio on 21st May, 2018
-
Lisi
6 reviews • 100% positive ratingHeating Engineer working in WelwynTrade Member since 2022Hi I’m Lisi "Our company is a highly experienced provider of plumbing and heating services for both commercial and private properties. With over 10 years of expertise in the industry, we offer a wide range of services including general heating, gas work and all types of read more
Latest Plumbing feedback review:
Toilet Flash not going down
Artenis did great job in resolving my issue and fixed my toilet flash. I would recommend using him.
By leka35678 on 15th Mar, 2023
-
Central Heating And Plumbing
1 review • 100% positive ratingHeating Engineer working in WelwynTrade Member since 2020Boiler Installs, Full Heating Installs, Boiler Servicing, Underfloor Heating, Radiators, Bathrooms, Landlord certificates, Power flushing, Hobs and cookers read more
Latest Central Heating feedback review:
Boiler and central heating
Excellent job very tidy and took all rubbish away.
By leo_913 on 1st Dec, 2020
-
Adam Leggett
2 reviews • 100% positive ratingHeating Engineer working in WelwynTrade Member since 2020Hi, I'm Adam and my aim is to do the best possible job for the customer for the best possible price. I have over 15 years experience in the trade and undertake all aspects of plumbing, drainage and heating jobs. All works are completed with no hidden fees, no job to big or read more
Latest Plumbing feedback review:
Leaking bathroom taps
Adam responded quickly,arrived as agreed, very pleased with the result
By ms_p_king on 14th Jan, 2022
-
Smooth Water
6 reviews • 100% positive ratingHeating Engineer working in WelwynTrade Member since 2017Smoothwater Ltd is a family run business which has been up and running for the last 2 years. Free no obligation quotes. No job too small or large, 11 years experience in all aspects of plumbing & heating including underfloor heating & complete refurbs read more
Latest Bathroom Fitting feedback review:
Fix leaking pipe and refit new toilet cabinet
Jamie did an excellent job. Fixed leak quickly and then boxed in piping around toilet (he boxed in a really difficult shaped gap as well), then tiled all the boxing in. Really professional work and it all looks really good. Cleaned...
By lalle1 on 26th Oct, 2017
-
Ambient Heating Solutions
2 reviews • 100% positive ratingHeating Engineer working in WelwynTrade Member since 2020Ambient Heating Solutions are a team of Gas Safe Registered engineers specialising in boiler and central heating installations. We have extensive knowledge and experience in the trade, no job is too big or too small. Customer service and satisfaction is our main objective. read more
Latest Central Heating feedback review:
Underfloor heating
First Class Service from start to finish. Very competitive pricing and great finished product. Wes was very helpful throughout. Advised me on boiler selection and kept me informed all the way through the process. Finished the job ahead of...
By dhirenkiro on 24th May, 2020
-
Darrens Plumbing
162 reviews • 100% positive ratingHeating Engineer working in WelwynTrade Member since 2014Hi I am a City & Guilds qualified plumber who offers a proffesionnal plumbing service at a reasonable price, All work taken on however big or small will be completed to a high standard as expected. read more
Latest Plumbing feedback review:
Repair toilet flush
Darren was brilliant. He was very responsive and quickly undertook the repair. He put me at ease straight away and I knew he was trustworthy. I would definitely recommend Darren to anyone.
By cheryl97786 on 20th Dec, 2022
-
Ben the plumber
6 reviews • 100% positive ratingHeating Engineer working in WelwynTrade Member since 2018I’m Ben the owner of Silver Lining plumbing and heating . I’m a qualified plumber with 12 years experience. I hold a level 2 and 3 qualifications. I’m also qualified to install and repair unvented hot water cylinders. Have a look at examples of my work below in the read more
Latest Central Heating feedback review:
Towel Radiator
Great Guy knows he stuff A++++++++++++++. Will be using again Thank you.
By phil87087 on 21st Jan, 2023
-
Elements Contracting
5 reviews • 100% positive ratingHeating Engineer working in WelwynTrade Member since 2022A qualified Heating & Gas Engineer undertaking all plumbing, gas and heating work from boiler replacements to bathroom upgrades. I work with many other trusted tradespeople, meaning I am able to undertake works involving multiple trades. read more
Latest Plumbing feedback review:
Plumbing maintenance in 2 rented flat
We had the same plumber for 20 years until he retired so whoever followed had to be good. Fortunately we have found that person in Robbie. He did a first class job and was meticulous in keeping mess to a minimum and clearing up...
By vfrtom on 19th Mar, 2022
-
AG Heating, Plumbing and Gas
2 reviews • 50% positive ratingHeating Engineer working in WelwynTrade Member since 2018plumbing, Gas and heating engineer. read more
Latest Plumbing feedback review:
Bathroom refurbishment
Do NOT trust this guy at all. I strongly recommend everyone to avoid Ghasem Fathi from GF Plumbing. I am taking legal action against this guy as I have paid him and he hasn’t completed my job. Plus what he did was completely wrong,...
By bobby_30 on 8th Jul, 2019
-
PMK-Plumbing Ltd
No reviews yetHeating Engineer working in WelwynTrade Member since 2021At PMK-Plumbing Ltd, we pride ourselves on delivering high-quality gas, plumbing, and heating services across Hertfordshire, Bedfordshire, Essex, and Greater London. Our skilled professionals offer fair and transparent pricing, demonstrating that plumbing jobs don't have to read more
What can a heating engineer do?
Go straight to the best source of trusted and vetted heating engineers near you. With MyBuilder, find skilled heating engineers in your area and forget about the search engine hassle.
Whether your radiators are stone cold in the middle of winter, or you want to get them checked before the annual chill, you can use our clever match-making process to connect with a heating engineer. Read real customer reviews, check their credentials and get quotes to choose the right person for the job with confidence.
There are lots of jobs that heating engineers can help with, including:
- Servicing electric and oil boilers
- Installing and maintaining boilers
- Fixing and fitting radiators
- Repairing and installing ground source heat pumps
- Maintaining and installing underfloor heating
- Radiator repairs and installation
- Water heater maintenance
Top Heating Engineer Reviews
Heating Engineers working near Welwyn in Hertfordshire have an average review score of 99% positive based on 7,794 homeowner reviews.
Trusted by experts

Don’t just take our word for it, homeowners love MyBuilder too. We’re proud to be rated by Mumsnet.
TOP 10 JOBS for heating-engineers
- New radiators fitting
- Heating system leaks repairs
- Boiler Service
- Radiator repair
- Central heating diagnostic
- Oil boiler repair
- Thermostat repair
- Central heating power flush
- Radiator move
- Smart thermostat installation
Towns near Welwyn
- Knebworth
- Welwyn Garden City
- Stevenage
- Hertford
- Hatfield
- Harpenden
- Hitchin
- St Albans
- Ware
- Potters Bar
- Hoddesdon
- Letchworth Garden City
- Broxbourne
- Luton
- Waltham Cross
- Radlett
- Much Hadham
- Buntingford
- Baldock
- Barnet
- Waltham Abbey
- Borehamwood
- Abbots Langley
- Arlesey
- Enfield
- Henlow
- Oakwood
- Hemel Hempstead
- Harlow
- Totteridge
Top locations
Other trades in Welwyn
- Architectural Designers
- Bathroom Fitters
- Bricklayers
- Carpenters & Joiners
- Carpet & Lino Fitters
- Chimney & Fireplace Specialists
- Conservatory Installers
- Conversion Specialists
- Damp Proofing Specialists
- Decking Specialists
- Demolition Specialists
- Driveway Pavers
- Electricians
- Extension Builders
- Fascias & Soffits Specialists
- Fencers
- Flooring Fitters
- Gardeners
- Gas Engineers
- Groundworkers
- Guttering Installers
- Handymen
- Heating Engineers
- Insulation Installers
- Kitchen Fitters
- Landscape Gardeners
- Locksmiths
- Loft Conversion Specialists
- New Home Builders
- Painters & Decorators
- Plasterers
- Plumbers
- Repointing Specialists
- Restoration & Refurb Specialists
- Roofers
- Security System Installers
- Stonemasons
- Tarmac Driveway Specialists
- Tilers
- Tree Surgeons
- Waste Clearance Specialists
- Window & Door Fitters
- All Builders
- All Tradespeople
Ask a Heating Engineer
Our vetted professionals answer your home improvement questions
- My pressure on boiler main combi 24he is too low ,how i can add water,whitch tap is for this
- Air lock on system?
- Expansion vessel faulty or not?
- What is the best combi boiler overall for value and reliability?