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Expert Plumbing & Heating Services in London
National Plumbing Services has established itself as a trusted provider of comprehensive plumbing, heating, and drainage solutions across London. With a team of Gas Safe Registered engineers and certified professionals, we deliver rapid-response emergency services alongside routine maintenance and installations. Our commitment to transparency ensures no hidden charges, while our 12-month workmanship guarantee reflects confidence in our expertise.

Operating 24/7, we serve both residential and commercial clients with urgency and precision, maintaining a fully stocked inventory of common parts to minimize service delays. Backed by over 90 five-star reviews, our reputation for reliability and technical excellence continues to grow across South London and surrounding areas.
Services
Boiler Repair Boiler Installation Bathroom Installation Drainage Clearance Emergency Plumbing Gas Safety Checks Heating Systems Hot Water Cylinders Radiator Repairs Blocked Drains
Highlights and features
  • Rapid 40-minute emergency response time
  • Gas Safe Registered and fully insured engineers
  • 12-month workmanship guarantee
  • Transparent pricing with no hidden charges
  • Fully stocked service vehicles for immediate repairs
Associations and certifications
  • Gas Safe Register
What people say
Brilliant engineer Fantastic service Highly recommended Extremely efficient Knowledgeable and friendly
Services
Boiler Repair
Our Gas Safe engineers provide urgent boiler repairs across London, addressing pressure issues, ignition failures, and leaks. With carpet protection systems and rapid parts availability, we complete repairs with minimal disruption to domestic and commercial properties.
Emergency Plumbing
Available 24/7 for burst pipes, gas leaks, and drainage failures, our emergency plumbers arrive within 40 minutes across London. Using high-pressure jetting and thermal imaging, we resolve critical issues while maintaining property cleanliness.
Drainage Clearance
Specialising in high-pressure water jetting and CCTV drain surveys, we clear blockages in sinks, toilets, and sewer lines. Our same-day service covers residential and commercial properties with guaranteed clearance of stubborn obstructions.
Bathroom Installation
From complete bathroom refits to individual component installations, our certified plumbers handle showers, sanitaryware, and pipework. We offer design consultations and complete installations with tiling and waterproofing services.
Heating Services
We install, repair, and maintain central heating systems including radiators, underfloor heating, and smart thermostats. Our engineers optimise system efficiency through powerflushing and annual servicing, ensuring reliable winter performance.
Questions
Do you offer 24/7 emergency services?
Yes, we provide 24/7 emergency plumbing and heating services across London with a 40-minute response time.
Are your engineers Gas Safe registered?
All our heating engineers hold current Gas Safe registration for legal and safe gas appliance work.
What areas do you cover?
We serve all London boroughs including Balham, Battersea, Brixton, Clapham, and surrounding areas.
Do you provide guarantees?
Yes, we offer a 12-month workmanship guarantee on all plumbing and heating installations.
How much do services cost?
Our hourly rate starts at £95, with transparent pricing provided before commencing any work.
Can you help with commercial properties?
We provide comprehensive plumbing solutions for both residential and commercial clients across London.
Reviews (6)
L. A.
Dec 07, 2021 Report
Positive:Professionalism,Punctuality,Quality,Responsiveness,Value
Adam was brilliant.Our issues with our shower / pipes had actually ruined family life.Adam worked through any obstacles (including my explanation) and quickly solved the problems.Until Adam's help, we had had to switch the water supply off at all times.Many thanks for his professional, friendly and efficient work.
Bev Astley
Aug 24, 2021 Report
I have a Heatmiser underfloor heating control system which was misbehaving and the suppliers will advise but wont come onsite. I came across National Plumbing Services on google and Adam did a complete check and recommended a new part and came back and set it all up. Its all working perfectly and Im delighted. Quality work and reasonable price
Marc Taussik
Jul 01, 2021 Report
Positive:Professionalism,Punctuality,Quality,Responsiveness,Value
Professional, friendly, enthusiastic - thanks Adam & Roberto
Service:Install water fixtures
Kevin G.
May 21, 2021 Report
Very transparent from the first call to the finish job. I am highly impressed with the work done by Adam and Roberto. The guys worked very precise and thoroughly. Always friendly and professional. Definitely, recommended.
Hampstead Hill Gardens
Apr 26, 2021 Report
Positive:Professionalism
A brilliant service. Adam kept me informed of his arrival times. Did a super job and I would be very happy to recommend his services. Top notch work.
Service:Repair toilet
Jen B.
Jun 20, 2020 Report
At first this company seemed OK, came out and fitted our undersink water tank, engineer seemed to know what he was doing and all good. Then we were hit with the bill. I wouldn't usually leave a review but felt I had to warn potential customers. Check, check, check your invoice, especially for parts/materials charged, as for receipts! They added on loads of parts not even used and duplicates of things. Then 2 months later our tank stops working. Their workmanship year guarantee is worthless! Wouldn't even come out without charging now extortionate fees, very unhelpful and said it was the brand new