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Your Trusted London Plumbing Experts
ThamesPlumbers has established itself as a trusted provider of comprehensive plumbing solutions across London. With a team of Gas Safe Registered and NICEIC approved engineers, we deliver expert services ranging from emergency repairs to full-scale installations for residential and commercial properties. Our commitment to 24/7 availability ensures prompt response to urgent issues, while our competitive pricing structure maintains transparency from the outset. Decades of collective experience enable us to address complex plumbing challenges efficiently, whether installing modern central heating systems or resolving persistent drainage problems.

We prioritise energy-efficient solutions that reduce long-term costs for clients, combining technical expertise with customer-centric service. All work adheres to strict safety standards, with guarantees provided for both materials and labour. Our engineers provide tailored advice to match systems with individual property requirements, operating during hours that minimise disruption to clients' daily routines.
Services
Boiler Repair Central Heating Installation Drain Unblocking Power Flushing Underfloor Heating
Highlights and features
  • 24/7 emergency response with engineers across London
  • Gas Safe Registered and NICEIC approved engineers
  • Competitive rates with transparent pricing
  • Energy-efficient system upgrades reduce long-term costs
  • Personalised service matching systems to property needs
Associations and certifications
  • Gas Safe Register
  • NICEIC
Services
Boiler Repair
Our certified engineers diagnose and repair all boiler types, ensuring safe and efficient operation. We address gas leaks, pressure issues, and component failures while maintaining compliance with safety regulations. Annual servicing prolongs boiler lifespan and prevents carbon monoxide risks, with emergency call-outs available 24/7 across London.
Central Heating Installation
We install modern central heating systems tailored to property size and requirements. Our engineers recommend combi boilers for smaller homes or condensing boilers for larger properties, ensuring optimal energy efficiency. All installations include thermostat programming and system testing, with guarantees covering both parts and labour.
Power Flushing
This process removes sludge and rust buildup from heating systems using high-velocity water flows. We employ chemical treatments to dissolve debris, restoring circulation efficiency and preventing radiator cold spots. Power flushing extends system lifespan while reducing energy consumption by up to 30% in affected properties.
Underfloor Heating
We install electric and hydronic underfloor heating solutions that maximise space and energy efficiency. Our systems use insulated materials to enhance heat retention while eliminating the need for radiators. Both retrofit and new-build installations are available with programmable temperature controls for residential and commercial properties.
Drain Unblocking
Our team clears blockages in sinks, toilets, and manholes using advanced equipment. We address both minor clogs and severe pipe obstructions, with CCTV surveys available for complex drainage issues. Preventative maintenance packages help commercial clients avoid operational disruptions caused by plumbing failures.
Questions
Do you offer 24/7 emergency plumbing services?
Yes, our engineers are available 24 hours a day, 7 days a week for urgent plumbing issues across London.
Are your engineers Gas Safe registered?
All our plumbers hold Gas Safe and NICEIC certifications for safe and compliant gas appliance installations.
What areas of London do you cover?
We operate across all London boroughs, with engineers able to reach any location within an hour.
Do you provide guarantees for your work?
Yes, all installations include a one-year labour guarantee plus manufacturer warranties on equipment.
Can you help with commercial plumbing needs?
We provide boiler maintenance, drainage solutions, and heating systems for offices, restaurants, and institutions.
What payment methods do you accept?
We accept major credit/debit cards and bank transfers for completed plumbing services.