- About Us
Delivering Honest, High-Quality
Heating & Property Solutions
Established local tradespeople dedicated to prompt service, tidy workmanship, and genuine customer care.
Our Standards
We Give Honest Advice
We explain issues in clear English and will never recommend an expensive replacement when a straightforward repair is the right choice.
Tidy & Courteous
We respect your property, use protective floor covers, and leave our work areas clean and orderly.
Guaranteed Workmanship
We stand behind every installation and repair with a 1-year workmanship guarantee.
- Our Story & Approach
Local Trade Services You Can -Rely On
Led by experienced heating engineer Oneil Campbell, D&M Heating & Plumbing Solutions Ltd was established to provide homeowners, landlords, and businesses across Dartford and Gravesend with reliable, multi-discipline trade services.
With 9 years of successful company trading, 12 years of personal experience, and colleagues bringing over 40 years of industry knowledge, we combine traditional heating expertise with specialist solar thermal and electrical capabilities.
- The Person Behind the Business
Oneil Campbell Founder & Lead Heating Engineer
Oneil founded D&M Heating & Plumbing Solutions Ltd to bring honest, multi-discipline trade services to homeowners, landlords, and businesses across Dartford and Gravesend – combining hands-on heating expertise with specialist solar thermal and electrical knowledge.
- Accreditations & Qualifications
Fully Qualified, Fully Accountable
Every job carried out to the standards these certifications require.
Gas Safe Register
Natural Gas, Boilers, Water Heaters, Pipework
NAPIT Electrical Registration
Domestic Electrical Installer
G3 Certified
Unvented Hot Water Storage Systems
City & Guilds
Electrical Inspection & Testing
Fully Insured
Comprehensive Public Liability Insurance
FAQ
Real questions from local jobs
We fix boilers installed by others, help homeowners who bought property with old solar thermal, recommission older systems, replace pumps/controllers/expansion vessels, pressure-test and diagnose poor performance.
Call 07908 623 458 - price before work, no inspection charge for quotes.
Are you Gas Safe registered?
Yes – we’re registered with Gas Safe under number 638755, covering natural gas work, boilers, water heaters and pipework.
How long has D&M been trading?
D&M has been trading for 9 years. Our lead engineer, Oneil Campbell, brings 12 years of personal experience, and colleagues contribute over 40 years of combined industry knowledge.
Do you offer a workmanship guarantee?
Yes – every installation and repair we carry out is backed by a 1-year workmanship guarantee.
What areas do you cover?
We work across Dartford, Gravesend and the surrounding local areas.
Are you insured for work in my home?
Yes – we hold comprehensive public liability insurance, so you’re fully covered for every job we carry out.
- What customers say
Trusted by Local Homeowners
“D&M assessed our roof properly before recommending anything, and were upfront that a full Solar PV system wasn’t worth it for our situation. That kind of honesty is rare”.
Jane H
“Our air source heat pump was designed around our actual insulation and layout, not a generic package. Installation was tidy and the handover explained everything clearly.”.
Robert M
“Our old solar thermal system had stopped heating water properly. Turned out to be a simple glycol issue — sorted in one visit at a fraction of what we expected to pay.”.
Sarah P
Request Free Quote
For boliler installation Dratford, solar thermal servicing Gravesend, electrical , landlord certificates, emergency plumbing.
We respond promptly Mon-Fri 07:00-17:00. For emergency 20:00-08:00 call 07908 623 458. Price agreed before work, cash / bank transfer.
CONTACT • FREE QUOTATIONS • NO INSPECTION CHARGE
Get your free quotation - price agreed before work.
Tell us about your boiler, solar thermal, electrical or landlord job across Dartford and 10 mile radius. We respond promptly Mon-Fri 07:00-17:00, emergency 20:00-08:00. No inspection charge, cash or bank transfer.
07908 623 458
Mon-Fri 07:00-17:00 • Emergency 20:00-08:00 • 24h Call-Out
Need a New Boiler? Let's Talk
Call for straightforward advice, or request a quote and we’ll get back to you with next steps.