London's Trusted
Plumbing & Heating
Experts
Gas Safe Registered Engineers. Available 24 hours a day, 7 days a week, across all London boroughs. Fixed pricing, 12-month guarantee.
Registered
Reg No: 217785
Availability
Always here
Pricing
No hidden fees
Guarantee
Parts & labour
Who We Are
Trusted Local Plumbing & Heating Experts in London
Net-Plumbers is a London-based plumbing and heating service providing reliable and professional solutions across all boroughs. Our team of fully qualified and Gas Safe registered engineers deliver high-quality workmanship with a focus on safety, transparency, and customer satisfaction. We specialise in boiler repairs, installations, servicing, and general plumbing with fast response times and honest pricing.
Years in Business
Jobs Completed
Emergency Cover
Gas Safe Registered
Gas Safe Reg No.
What We Do
Our Services
Professional plumbing and heating services for homes and businesses across London.
Boiler Repairs
Fast, reliable boiler repairs by Gas Safe engineers. We fix all makes and models with same-day availability.
Learn MoreBoiler Installation
Expert boiler installations with up to 12-year manufacturer warranties. Free home survey and fixed-price quotes.
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Emergency Plumber
24/7 emergency plumbing across London. Burst pipes, leaks, and no hot water handled within the hour.
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Heating Repairs
Central heating repairs and diagnostics. Radiator issues, thermostats, and full system troubleshooting.
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Power Flushing
Restore heating efficiency with a professional power flush. Removes sludge and debris from your system.
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General Plumbing
From dripping taps to full bathroom installations. No job too small for our experienced plumbers.
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Heat Interface Unit (HIU)
Repair, Service & Installation
Live in a flat with a communal heat network? We're London's HIU specialists — not a boiler company trying to adapt. Our engineers are trained specifically on Heat Interface Units, servicing and repairing all makes and models across the capital.
HIU Repairs
Fault diagnosis, valve replacement, plate heat exchanger descaling and pump repairs.
Annual Servicing
12-point service with compliance certificate. Keeps your warranty valid and HIU efficient.
Landlord Contracts
Planned servicing and reactive repairs for blocks, managing agents and housing associations.
All Brands
Evinox, Danfoss, Intatec, Altecnic, SAV Systems, Switch2, Caleffi and 25+ more.
Simple Process
How It Works
From your first call to a guaranteed fix — we keep it fast, transparent, and stress-free.
Call or Book Online
Phone us or fill out the quick form. Available 24/7 — same-day appointments often available.
Engineer Dispatched
A Gas Safe registered engineer heads to your location, typically within 1–2 hours.
Diagnosis & Quote
We diagnose the problem on-site and give you a fixed, upfront price before any work starts.
Job Done & Guaranteed
Work completed to the highest standard, backed by our 12-month parts and labour guarantee.
Why Choose Us
Why Choose Net-Plumbers?
Trusted by thousands of London homeowners and landlords since 2004.
Gas Safe Registered
Every engineer on our team is Gas Safe registered (Reg No: 217785) and fully insured. Your safety is our top priority on every job.
24/7 Emergency Response
Heating emergencies don't wait, and neither do we. Call any time, day or night, for rapid response across London.
Transparent Pricing
No hidden fees, no surprise charges. We provide clear, upfront quotes before any work begins.
12-Month Guarantee
All our work comes with a 12-month parts and labour guarantee for your complete peace of mind.
Certified & Compliant
All Work Carried Out to UK Safety Standards
Gas Safe Registered
Reg No: 217785
NVQ Level 2 & 3 Qualified
Industry-recognised qualifications
Public Liability Insured
Full cover on every job
Industry Standard Workmanship
Quality guaranteed every time
Our Work
Recent Work Completed
A snapshot of recent jobs carried out by our engineers across London.
Boiler Repair & Servicing
London
General Plumbing Works
London
Boiler Installation
London
Boiler Diagnostics
London
Emergency Plumbing
London
Boiler Service
London
Reviews
What Our Customers Say
"Called at 7am with no hot water and they were at my door by 9. Fixed a faulty diverter valve and had everything running again within the hour. Brilliant service."
James R.
Camden, London
Boiler Installation
Get an Instant Installation Quote
All prices include installation, parts, and a Gas Safe certificate.
Compact
Small flats & 1-bed properties
1–8 radiators
- New A-rated combi boiler
- Up to 8 radiators
- Like-for-like replacement
- 12-month parts & labour warranty
- Gas Safe certificate included
Standard
2–3 bed terraced & semi-detached
9–12 radiators
- New A-rated combi boiler
- Up to 12 radiators
- New magnetic system filter
- Programmer & room thermostat
- 12-month parts & labour warranty
- Gas Safe certificate included
All prices include VAT, parts, and labour. Final price confirmed after free home survey. Finance options available on request.
For Landlords
Landlord? We've Got You Covered
We help landlords across London stay compliant and keep their tenants safe. From mandatory Gas Safety Certificates to full boiler servicing contracts across multiple properties.
- Gas Safety Certificates (CP12)
- Annual boiler servicing contracts
- Emergency cover for tenants
- Multiple property discounts
- Landlord dashboard & reminders
Need a Plumber Fast?
Call now for fast and reliable service from qualified engineers.
No heating or hot water? We prioritise families.