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34 Years
experience
Emergency
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Your Trusted Gas Boiler Experts in Northampton
1st Gas Engineers is a family-run business with over 30 years of experience serving Northamptonshire and surrounding areas. We specialise in gas boiler and appliance servicing, repairs, and installations, operating as a Gas Safe registered company (139660) with accreditations from Worcester Bosch, Ideal, and Glow-Worm. Our team of fully insured engineers prioritises customer satisfaction, offering fixed-price quotations, 12-month parts guarantees, and emergency repair services.

We are approved by Which? Trusted Traders and Northamptonshire's Buy with Confidence Scheme, reflecting our commitment to trustworthiness and compliance with consumer protection laws. Our services extend to air conditioning units through our subsidiary Enviro Heating & Cooling Ltd, ensuring comprehensive heating and cooling solutions for domestic and commercial clients.
Services
Boiler installations Emergency repairs Gas safety certificates Air conditioning services Boiler servicing Central heating systems LPG boiler services Power flushing Thermostat installations Radiator installations
Details
  • Year established: 1992
Highlights and features
  • Gas Safe registered engineers (139660) with F-Gas certification
  • Over 40 years combined experience in heating and hot water systems
  • Accredited installers for Worcester Bosch, Ideal, and Glow-Worm boilers
  • Fixed price quotations with no hidden costs
  • 12-month parts and labour guarantee on all work
Associations and certifications
  • Gas Safe Register
  • Which? Trusted Traders
  • Buy with Confidence
  • Worcester Bosch
  • Ideal
  • Glow-Worm
What people say
Polite and friendly engineers First class service Very clean workers Good value for money Highly recommend
Services
Boiler installations
We install A-rated gas boilers from Worcester Bosch, Ideal, and Glow-Worm with up to 12-year guarantees. Our engineers ensure safe, efficient installations compliant with current regulations. All work includes system flushing, inhibitor treatment, and a heating system filter for optimal performance.
Emergency repairs
Fast response for urgent boiler issues including pressure loss, ignition failure, and leaks. Our Gas Safe engineers diagnose and fix faults with all boiler makes, offering transparent pricing and 12-month parts guarantees for repairs.
Gas safety certificates
Annual gas safety checks for landlords, including flue analysis and appliance inspections. We issue CP12 certificates within 28 days of testing, ensuring compliance with HSE regulations and tenant safety requirements.
Air conditioning services
Installation and servicing of air conditioning units through our subsidiary Enviro Heating & Cooling Ltd. We offer energy-efficient solutions for residential and commercial properties, including air-to-air heat pumps and climate control systems.
Boiler servicing
Comprehensive boiler servicing includes gas pressure checks, flue analysis, and component inspections. Regular maintenance prevents breakdowns and extends boiler lifespan, with optional Boiler Cover plans starting at 25/month.
People
Ian
Domestic & Commercial Engineer
Ian is a Gas Safe registered heating engineer with over 20 years of experience in domestic and commercial boiler systems. He specialises in complex installations and emergency repairs, ensuring high standards of workmanship and customer care.
Jeff
Domestic & LPG Engineer
Jeff has over 25 years of experience in LPG boiler systems and domestic heating. His expertise includes safety certifications and energy-efficient upgrades, providing tailored solutions for homeowners and landlords across Northamptonshire.
Questions
Do you offer emergency boiler repairs?
Yes, we provide emergency repair services with rapid response times for boiler breakdowns and urgent heating issues.
Are your engineers Gas Safe registered?
All our engineers are fully Gas Safe registered (139660) and F-Gas certified for safe, compliant gas work.
What areas do you serve?
We operate across Northampton, Bedford, Milton Keynes, and surrounding areas in Northamptonshire and Buckinghamshire.
Do you provide boiler cover plans?
Yes, our Boiler Cover plans start at £25/month, including annual servicing and unlimited repairs with no excess fees.
Can you service all boiler brands?
We service all major boiler makes including Worcester Bosch, Ideal, Glow-Worm, and Baxi units.
Are your prices fixed?
We offer fixed-price quotations with no hidden costs or unexpected charges for all installation and repair work.
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Reviews (2)
Robbie Walker
May 28, 2015 Report
A huge thanks to 1st Gas engineers for doing such a great job fitting our new boiler. Great service, good advice and very reasonable pricing. Will definitely use for all our future services!
Jo-Ann Mantle
Mar 08, 2015 Report
Serviced our boiler, quick, quiet, cle an and tidy. Made us aware of a couple of problems, thoroughly explained with possible cost but no pressure to continue with them. Can and will recommend Restored my faith in gas men