“He is polite, friendly and punctual.” · TrustATrader, 14 Apr 2025
“He is alway punctual and very reliable.” · TrustATrader, 4 Nov 2024
“Lee and his apprentice Max arrived on time.” · TrustATrader, 8 Feb 2023
Public evidence profile · Checked May 2026
Lee Marshall Heating Limited
Credentials & registries
3 credentials shown
No Trust Score yet
- Rated 5.0 from 118 reviews
- 3 credentials shown
Newest review April 2025
Based on rating, review volume, independent sources and credential evidence. Evidence context, not a guarantee of workmanship.
From customer reviews
What customers consistently say
Recurring themes from 113 customer reviews on TrustATrader. Analysis updated 17 Aug 2026.
Customers who keep coming back: “We have known Lee for many years and he has always attended to all of our heating & plumbing work.” · TrustATrader, 7 Oct 2020
Respectful and tidy in your home: “Extremely neat and tidy and a very nice person to do business with.” · TrustATrader, 15 Nov 2021
“they completed the work with ease and always willing to answer any questions.” · TrustATrader, 13 Feb 2023
“Lee is a first class Heating Engineer.” · TrustATrader, 15 Nov 2021
Credentials and checks
Credentials, licences and vetting
Credentials and associations
3Credentials and memberships
These credentials and memberships are attributed to named public sources. Check the source before relying on them.
- Source checked
- 27 Jun 2026
- Source checked
- 27 Jun 2026
- Source checked
- 26 Jun 2026
From TrustATrader
TrustATrader profile facts
Insurance listed on TrustATrader:
- Source-listed cover: Commercial Express; verified 12 Nov 2025
This information comes from their TrustATrader profile. Confirm current cover, membership, and job terms directly before hiring.
Reviews · public evidence
What customers say
These reviews are published independently on the named public source below, not testimonials this business chose to show. We bring them together and link each one back to where it appeared, so you can open the source and read it yourself.
5.0out of 5
Customers often mention
Where these reviews are published
- TrustATrader118 reviews · 5.0 avg
Highlights
“I have known Lee since his time as apprentice. Over the years he has maintained and serviced by gas boiler. He is polite, friendly and punctual. His work is excellent and leaves the site clean. I would thoroughly recommend him.”
“Highly recommend Lee, he is so hardworking, punctual and thorough. Lee had originally refitted us a new boiler and has also repaired our pipe work in the bathroom after it was fitted incorrectly by a previous ‘plumber’. Lee goes above and beyond and takes pride in his hard work - would highly recommend to everyone!”
“Boiler service. Friendly guy and professional. Would recommend!”
Detailed reviews
These are the individual reviews we hold for Lee Marshall Heating Limited, including the highlights above. The 118 headline total is the review volume reported across public review sources.
Absolute genuine and grateful for his service. If you want value for money, trustworthy person, always happy to help, then Lee is your man. Thank you for giving me the best service and piece of mind as well. Neal
Lee and Max replaced our very very old boiler with a Worcester Bosch Ri, new cylinder in the airing cupboard, a new heating control package and TRVs on the radiators. Probably not the most straight forward of jobs as boiler needed repositioning, however, they completed the work with ease and always willing to answer any questions. Lee and Max are very knowledgeable and we found their work well planned and neat pipework with attention to detail. Very pleased with the work they did and will have them for servicing next year. Lee and Max have our full recommendation.
We called Lee of Marshall Heating when our old boiler packed up. Lee and his apprentice Max arrived on time. They were professional from start to finish, showing outstanding workmanship. Everything about the boiler installation, safety and new thermostat was explained clearly. They cleaned up thoroughly before leaving too. Highly recommend them. We will definitely call them back in when our service is due.
The engineer was punctual, polite and very professional. He explained everything to me about the gas service and what needed doing. Also left the area tidied and clean. I would recommend him to anyone without hesitation
Lee and Max always maintain our boiler and general plumbing work, we are always highly delighted with their work. Today Max fitted a new Bristan tap in our kitchen and again a superb job completed. David
Read the other 10 detailed reviews on this pageShow fewer reviews
Lee is always professional and courteous. He is always on time and all work is done to the highest standard. He installed my system and has maintained it ever since. First class service every time.
Fantastic, reliable and trustworthy. Often recommend and wouldn't consider anyone else.
I've called on Lee twice recently for different jobs. Both times he has responded really quickly and come out to complete the requests within a very short time frame. I cannot recommend this company highly enough. Polite friendly and very knowledgeable. Will lost definitely use them again.
Found Lee through TrustATrader. Arrived on time with his apprentice Max. I had requested a boiler service and had an issue with a diverter valve. Lee checked the valve, showed and explained to me the problem. There was a few issues with the boiler which Lee took in his stride. The work undertaken was completed with ease. Both Lee and Max were very professional, friendly, polite and very tidy. This company is now in my phone and I would recommend and use again. Many thanks.
Fantastic service, advised on eta of arrival for work, friendly approachable service. We used Marshal heating to service our boiler and to install a hive system. The work carried out was to a high level, they explained everything that they were going to do. They installed my hive system to my boiler. I will definitely be getting in contact in a years time to service my boiler again. They were also very value for money.
Lee and his apprentice arrived promptly on the arranged day. They were polite and friendly throughout. Lee had successfully diagnosed the problem previously with my boiler over the telephone and had ordered a part. Once they arrived, they set to fixing the boiler. Lee also proactively noticed that my Maxiflo cylinder needed the air replenishing and he was also was able to fit replacement vent plugs on a couple of radiators that were leaking whilst they were both here. He explained everything as he was going along too. I can recommend him 100% and will be setting up a service contract with him in the future too.
Fantastic service
Lee is a first class Heating Engineer. Always on time, very professional, knowledgeable and honest. Extremely neat and tidy and a very nice person to do business with. I have no hesitation recommending him to family and friends. Patrick
I found Lee Marshall very competent,knowledgeable and helpful throughout the the work.They worked Late if necessary not like a lot of tradesmen I have used leaving at 3pm nearly every day. I am a retired Architect and would Definitely recommend this company.
Yearly Boiler service carried out by Lee & Max plus attention required to our Toilet cistern. As usual a first class job was carried out by the company who we have always used. The team will soon be back to fit a new shower head to our existing unit in the bathroom. I would certainly recommend Marshall Heating for all your Plumbing & Heating needs. David
Sources
4 named public sourcesWhere this information comes from
Everything on this page is drawn from named public sources. Where a source provides a public link, you can open the original and dig deeper.
Review sources
Registers and membership directories
Public evidence last checked May 2026
About
Lee Marshall Heating Limited specializes in all aspects of Gas Central Heating & Plumbing. Our company has many years of experience dealing with gas...
What this business says about itself
From their own website
What this business says about itself
See their work: Photo gallery (opens in new tab)
- Experience they state: Many years of experience
- Areas served: Herts, Beds, Bucks
- Good to know: Free quotes
Accreditations it displays. Confirm each is current on the official register before you hire:
- Gas Safe Register · verify (opens in new tab)
These are statements the business makes on its own website, worth confirming in writing (and on the official registers) before you hire, not independently verified by us.
Your own checks
What to check before you hire
Worth checking yourself
Always confirm credentials and quotes with the business directly before hiring.
Verify at the sourceCheck them yourself
Gas work is restricted by law to Gas Safe registered engineers. If they'll touch a boiler or any gas appliance, confirm they're currently on the register before you hire - it's free and takes a minute.
Check the Gas Safe RegisterConfirm they cover your area and can actually come out in your timeframe before anything else.
Read recent reviews for reliability and turning up on time, not only the quality of the work.
Agree the call-out fee up front, and be wary of large upfront deposits for an emergency job.
Want an extra legitimacy check? Run the Cowboy Checker on Lee Marshall Heating Limited before you contact them.
Run Cowboy Checker →Independent checks
About this business
How long they've really been tradingOperating since at least 2013 (13 years), according to an independent source, not just their own word.
First public review2013Website online since2014
Good to know
Common questions about Lee Marshall Heating Limited
Is Lee Marshall Heating Limited a legitimate business?
Lee Marshall Heating Limited has 118 independent public reviews, rated 5 out of 5. This is independent public evidence gathered from named public sources (no ads, no paid placement), not a guarantee of workmanship. If anything here is out of date, the business can request a correction.
What do customers say about Lee Marshall Heating Limited?
Lee Marshall Heating Limited has 118 public reviews, averaging 5 out of 5. You can read the individual reviews and where each came from in the reviews section above.
How do I know Lee Marshall Heating Limited's reviews are genuine?
Lee Marshall Heating Limited's 118 public reviews come from a named public review source, and MyTrustedTraders links every one back to where it was published, so you can open the source and read them yourself rather than trusting a single curated page. MyTrustedTraders brings this public evidence together with no ads and no paid placement: we show where every review came from rather than selling rankings, so you can weigh the evidence for yourself.
Is Lee Marshall Heating Limited qualified and accredited?
We hold 3 independently sourced credentials for Lee Marshall Heating Limited, including Gas Safe Register, NICEIC, Public liability insurance (verified by TrustATrader). Each is attributed to the body that issued it in the credentials section. For example, Gas Safe Register is the UK's official gas register. By law, anyone working on your gas appliances must be on it.
What areas does Lee Marshall Heating Limited cover?
They state on their own website that they cover Herts, Beds, Bucks. This is the business's own statement on their website, not something we have independently checked. Confirm they cover your postcode before booking.