Plumber
Assert Heating Services
Companies House
Active incorporated business
Trust score
58out of 100
Rating5.0★
Review volumeLow · 1
Source diversity2 sources
VerificationListed
Based on rating, review volume, independent sources and verification. Evidence context — not a guarantee of workmanship.
Trust at a glance
1 checkWhat we can verify about Assert Heating Services
Each card summarises one evidence dimension from public sources — open it for the full detail and named source. This is evidence context, not a guarantee.
See the full verification checklist for Assert Heating Services →About
All aspects of Heating and Plumbing undertaken in London, Hertfordshire and Essex.Assert Heating Services is London's leading heating service...
Reviews · public evidence
What the public record says
5.0out of 5
Highlights
"Ryan discovered a gas leak on a boiler service visit. He had to shut off the gas but came back within a few days to run new piping, reconnect..."
Detailed reviews
Ryan discovered a gas leak on a boiler service visit. He had to shut off the gas but came back within a few days to run new piping, reconnect...
Companies House registration
ActiveActive incorporated business
Assert Heating Services is linked to a Companies House entry. This shows the business registration, not evidence of workmanship or service quality.
Legal nameAssert Heating Services
Company number07846800
Incorporated
Registered activityEngineering activities
Official checkListed
Public evidence checks
Public evidence shownTrust checks and red flags
Public review evidence5.0★ from 1 public reviewAcross FreeIndexFreeIndexWebsite
Sources
2 named sourcesEvery signal, traced to its origin
Review sources
Official sources
Public evidence checks
What's strong, and what to check yourself
✓Strong signals
✓Rating: 5.0★
✓Source diversity: 2 sources
!Worth checking yourself
!Review volume: Low · 1
!Verification: Listed
Public evidence last checked May 2026
Verify at the sourceCheck them yourself
Approved plumbers on the free WaterSafe register are vetted, qualified to the water regulations and insured. Check they're listed, or find a WaterSafe-approved plumber near you.
Check the WaterSafe registerGood to know
Common questions about Assert Heating Services
What do customers say about Assert Heating Services?
Assert Heating Services has 1 public review, averaging 5 out of 5, gathered across 2 independent sources. You can read the individual reviews and where each came from in the reviews section above.
How do I know Assert Heating Services's reviews are genuine?
Assert Heating Services's 1 public review are gathered and cross-checked across 2 independent public sources. Reviews spread across several named sources are harder to fake than a single polished 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 Assert Heating Services a registered business?
Assert Heating Services is a registered business on Companies House (company number 07846800), incorporated 14 Nov 2011, listed as active. This confirms the legal registration of the business — not evidence of workmanship or service quality.
Smart checks
Before you hire a plumber
Agree the call-out fee, the hourly or fixed rate, and whether parts are charged on top — in writing — before an emergency plumber starts. Out-of-hours overcharging and 'while I'm here' add-ons are common complaints.
Be wary of a plumber who, on a first visit, says your whole system or boiler must be replaced — get a second opinion and an itemised quote (parts and labour separately) before agreeing to major work.
Gas and boiler work is a separate, regulated trade — not general plumbing. Make sure anyone working on a gas appliance is specifically registered to do gas work, and ask to see that registration before they start.
Look for consistent reviews across several named sources, not one polished profile.
Check any verified credentials, and that the business details independently check out.
Want an extra legitimacy check?
Run the Cowboy Checker on Assert Heating Services before you contact them.
