“Absolutely thrilled with my new bathroom! What used to be a dull grey space has been completely transformed into a stunning Victorian-style...”
Public evidence profile · Checked May 2026
KLM Plumbing & Heating Services
Based on rating, review volume, independent sources and credential evidence. Evidence context, not a guarantee of workmanship.
From FreeIndex
Opening hours
The hours this business publishes online, handy for knowing when to call. Confirm before you set off.
- Monday–Friday
- 8am–5pm
- Saturday–Sunday
- Closed
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
Where these reviews are published
- FreeIndex217 reviews · 5.0 avg
Highlights
“Great service. Full explained what was at fault and how to fix it.”
“I've booked Kris a couple of times now - to fix a leak in our water metre and to complete a boiler...”
Detailed reviews
These are the individual reviews we hold for KLM Plumbing & Heating Services, including the highlights above. The 217 headline total is the review volume reported across public review sources.
Absolutely thrilled with my new bathroom! What used to be a dull grey space has been completely transformed into a stunning Victorian-style...
Great service. Full explained what was at fault and how to fix it.
I've booked Kris a couple of times now - to fix a leak in our water metre and to complete a boiler...
I am beyond happy with my bathroom remodel. Kris and team did an amazing job and the attention to detail was fantastic.
Excellent service received from Kris to fix a toilet flush. Would highly recommend and use again for any plumbing issues.
Local context
Rated 5.0, above the local average for heating engineers in Cardiff
Across 12 heating engineers in Cardiff, the typical rating is 4.8 out of 5. We compare against the same businesses a homeowner would find searching for this trade locally.
Sources
2 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
Business and public registers
Public evidence last checked May 2026
About
KLM Plumbing and Heating Services is a Cardiff based Gas Safe registered company. Kris, the plumber and gas heating engineer has over 29 years...
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)
- Insurance: fully insured
- Good to know: Family-run
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 KLM Plumbing & Heating Services before you contact them.
Run Cowboy Checker →Independent checks
About this business
How long they've really been tradingOperating since at least 2023 (3 years), according to an independent source, not just their own word.
Website online since2009First public review2023
Good to know
Common questions about KLM Plumbing & Heating Services
Is KLM Plumbing & Heating Services a legitimate business?
KLM Plumbing & Heating Services has 217 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 KLM Plumbing & Heating Services?
KLM Plumbing & Heating Services has 217 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 KLM Plumbing & Heating Services' reviews are genuine?
KLM Plumbing & Heating Services' 217 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 KLM Plumbing & Heating Services insured?
They state on their own website that fully insured. This is the business's own statement on their website, not something we have independently checked. Ask to see a current certificate before work starts.
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