Is Diamond Boilers a legitimate business?

Diamond Boilers has 190 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 If anything here is out of date, the business can request a correction.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 Diamond Boilers?

Diamond Boilers has 190 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 Diamond Boilers' reviews are genuine?

Diamond Boilers' 190 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.

Public evidence profile · Checked March 2026

Diamond Boilers

Q: What does Diamond Boilers specialise in?

Diamond Boilers lists specialist services including Air Source Heat Pump Installation - ASHP, Air Source Heat Pump Servicing / Repair - ASHP, Gas Boiler Installation, Gas Boiler Servicing / Repair, Gas Central Heating Installation. If your job is one of these, look for it in their listed services or ask them to confirm for your project.

Gas engineerWakefield5.0190 reviews · 2 independent public sources

Review quality

No reviews in 12 months

Trust Score

59out of 100

Good record, gaps to check

Rated 5.0 from 190 reviews

Newest review February 2025

Worth checking: Gas Safe Register

How this score is worked out

Rating5.0 / 5

Review volume190

Independent sources2 independent public sources

CredentialsNo credentials shown yet

How this score is made up

What customers say45.7 of 60

Independent checks8.6 of 30

Track record4.3 of 10

See the independent checks

Licences and credentials0 of 10.1
Ways to reach them8.6 of 10.1
Reviewed on more than one site0 of 5.1
Registered company details0 of 3.4
Photos of their work0 of 0.8
Industry recognition0 of 0.4

Missing evidence lowers the score because we can't check it. It doesn't mean it doesn't exist. Claiming a profile never changes the score. Evidence context, not a guarantee of workmanship.

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At a glance

Rating: 5.0 · 190 reviews

Contact

Call 07307 246084Contact on Checkatrade

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Not claimed by the business

Diamond Boilers appears here from public evidence and has not been claimed by the business, so quote requests and project invites are not available on MyTrustedTraders.

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Trust at a glance

What we can verify about Diamond Boilers

1 check

Each card sums up one thing we can check from public sources. Open it for the full detail and the named source. This is evidence context, not a guarantee.

See the full verification checklist for Diamond Boilers →

Review quality check

Review recency

Review recency

How recently this business's reviews were left, kept separate from the star rating and the number of reviews.

No reviews from the last 12 months are shown.

From customer reviews

What customers consistently say

Recurring themes from 3 customer reviews on Checkatrade.

Quality of the workQuoted from 2 reviews

“The work carried out was to a great standard” · Checkatrade

“The team were friendly, reliable, and did a really neat job.” · Checkatrade

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

190 reviews in public evidenceMost recent review 1 year ago

Where these reviews are published

Checkatrade190 reviews · 5.0 avg

Highlights

“I can’t fault anybody from this company and I dealt with four different people. They were hard working, polite and committed to completing the work professionally . Any questions I had they answered quickly and I had a few. Wouldn’t hesitate at all to recommend this company . Great group of people”

Detailed reviews

These are the individual reviews we hold for Diamond Boilers, including the highlights above. The 190 headline total is the review volume reported across public review sources.

Local context

Rated 5.0, above the local average for gas engineers in Wakefield

Across 26 gas engineers in Wakefield, 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

Where this information comes from

2 named public sources

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.

Public evidence last checked March 2026

About

Central heating in Wakefield, Yorkshire.

Services they list

Air Source Heat Pump Installation - ASHPAir Source Heat Pump Servicing / Repair - ASHPGas Boiler InstallationGas Boiler Servicing / RepairGas Central Heating Installation

Listed on public sources or the business's own website; check directly that they cover your job before you book.

Areas served

WakefieldYorkshire

The areas they list covering on a public directory; confirm they cover your address before you book.

Browse more gas engineers in Wakefield

Your own checks

What to check before you hire

Worth checking yourself

No credentials are shown here and the business has not claimed this profile. Ask to see certificates and insurance directly.

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 Register

By law, anyone working on your gas appliances must be on the Gas Safe Register. Ask to see their Gas Safe ID card and check the licence number at gassaferegister.co.uk before they start.

Never let an unregistered person touch your gas: unsafe gas work risks carbon monoxide poisoning, fire and explosion, and is a criminal offence.

For a boiler or appliance install, get the work and price in writing and keep the Gas Safe / Building Regulations certificate they are required to give you.

Want an extra legitimacy check? Run the Cowboy Checker on Diamond Boilers before you contact them.

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Good to know

Common questions about Diamond Boilers

Recognition · from the public record

100+ public reviews on recordEvidence checked 17 July 2026

These describe public evidence MyTrustedTraders held at the stated dates. They are not independent awards, they cannot be bought, and they do not change this business's Trust Score or search position. How milestones are measured