Gas & Heating Services in London & Surrey
Safe. Efficient. Professionally installed. At No1 London, we provide fully certified gas and heating solutions designed for comfort, safety, and long-term efficiency. From boiler installations and central heating systems to gas safety checks and smart controls, our Gas Safe registered engineers ensure your system is installed and maintained to the highest UK standards.
info@no1london.co.uk | 0207 8889 09 09
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Why choose No1 London
- Gas Safe certified engineers – full compliance and peace of mind.
- Complete service – design, installation, testing, and certification.
- Energy-efficient systems – helping you save on energy and running costs.
- Integrated with our builds – plumbing, electrical, and heating all coordinated in-house.
- Trusted locally – serving West & Central London and Surrey.
Our Gas & Heating Services
Boiler Installation & Replacement
Reliable, energy-efficient boilers fitted by certified professionals. Combi, system, or regular boiler setups Natural gas and LPG systems Flue installations and safety certification Manufacturer-approved models (Vaillant, Worcester Bosch, Ideal, Baxi)
Central Heating Systems
Complete heating design and installation for any property. Radiators and pipework installation Smart heating controls and zoning System balancing and thermostatic valves Underfloor heating integration
Boiler & Heating Repairs
Fast, efficient service from experienced engineers. Fault diagnosis and component replacement Pressure, ignition, or pump issues resolved Emergency call-outs for breakdowns System flushing and leak repairs
Heating Upgrades & Efficiency Improvements
Reduce energy use and enhance comfort. Power flushing and descaling High-efficiency pump upgrades Programmable thermostats and timers Smart home integrations (Nest, Hive, Tado)
Gas Safety & Compliance
For homeowners, landlords, and property managers. Annual gas safety inspections (CP12) Appliance testing and flue analysis Carbon monoxide detection and prevention Full certification and digital reporting
How We Work
Consultation & Assessment
Review your current system and energy goals.
Design & Quotation
Propose the best heating setup for your home.
Installation
Carried out by Gas Safe engineers with NICEIC coordination where required.
Testing & Certification
Full performance check and safety documentation issued.
Aftercare & Servicing
Ongoing maintenance, repairs, and annual inspections.
Service Areas
We provide gas and heating services across Fulham, Chelsea, Kensington, Hammersmith, Putney, Wimbledon, Chiswick, Westminster, the City, and Surrey, trusted by homeowners and landlords for reliability and professionalism.
Need Certified Heating Experts?
Whether you’re upgrading your boiler, installing a new heating system, or need a quick repair, No1 London delivers safe, efficient, and expertly installed gas and heating solutions.
Ready to Transform Your Home?
