Service Areas
JSM provides reliable boiler installations, heating repairs and system upgrades for homes across Gwent.
Our Gas Safe-registered engineers have 24 years of hands-on experience, working with Worcester Bosch and Vaillant systems while delivering safe, professional workmanship with full public liability cover.
Local Experts
From Newport and Cwmbran to Abergavenny, Chepstow and the surrounding towns, JSM helps homeowners across Gwent keep their heating systems running safely and efficiently.
Whether you need a replacement boiler, a repair, a heating system upgrade or clear advice on the best option for your property, our engineers provide dependable local support backed by years of experience.
Why This Area
Gwent includes a wide variety of homes, from city properties in Newport to valley terraces, rural cottages, modern estates and larger countryside homes.
Because the area covers such a broad mix of property types and locations, heating requirements can vary significantly from one home to the next.
Our local knowledge helps us recommend practical heating solutions that suit the age, layout and demand of each property.
Whether it is improving efficiency in an older home, replacing an unreliable boiler or upgrading a system for a growing household, we provide a tailored service throughout Gwent.
Property Types
We work on all types of homes across Gwent, including terraced houses, semi-detached homes, detached properties, flats, bungalows, cottages, converted buildings and rural homes.
Our installations and repairs are planned around the needs of each property, from compact combi boilers for smaller homes to system boilers, hot water cylinders and more advanced heating upgrades for larger properties with higher hot water demand.
Our Services in Gwent
