Welcome to A J Boiler Maintenance, Specialists in Boiler & Heating Servicing

What we do


  • 90% plus boiler / heating systems fixed on the first visit.
  • Large stock of boiler spares held.
  • Many spares which as “so say” no longer available held in stock.
  • We will always try to fix your boiler and will never sell you a boiler that you don’t need!!
  • Accredited Worcester Gas & Oil installer.
  • Fire service and repair.
  • Unvented cylinder service and repair.
  • Boiler Service and Repair.

All makes of boilers serviced and repaired:


Aga / Rayburn, Alpha, Ariston, Baxi, Biasi, Boulter, Chaffoteaux, Ferroli, Firebird, Gemini, Glow-worm, Grundee, Halstead, Heatline, Hermann, HRM, Ideal, Jaguar, Jotul, Keston, Main, Maxol, Mistral, Thorn, Perrymatic, Potterton, Powermax, Protherm, Range, Ravenheat, Saunier Duval, Sime, Servo-warm, Thermecon, Thorn, Trianco. Vaillant, Vokera, Wicks, Worcester gas, Worcester Oil, Warmflow and more.

Areas we cover


  • Chepstow
  • Caldicot
  • Undy
  • Magor
  • Tutshill
  • St.Briavels
  • Tintern
  • Brockweir
  • Llandogo
  • Monmouth
  • Coleford
  • Cinderford
  • Lydney
  • Longhope
  • Drybrook
  • Mitcheldean
  • Ruardean

Contact us now


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