Our Services
Boiler Installation
Full gas boiler installation across Monmouthshire, Gwent and Cardiff — free quotations, Gas Safe installation and a tidy handover with user instruction from a local, family-run team with 24 years' experience.
About This Service
Boiler Installation You Can Trust
Every installation is backed by a 12-month workmanship guarantee, manufacturer warranties and full public liability insurance, all carried out by Gas Safe registered engineers. JSM Heating Services Ltd brings 24 years' hands-on experience fitting Worcester Bosch and Vaillant boilers across Monmouthshire, Gwent and Cardiff. We provide free, no‑obligation quotations, clear model recommendations and full testing with a practical user handover and aftercare.
Our Process
How It Works
Survey & Recommendation
An on-site assessment to confirm property heat demand, flue position and suitability, followed by a clear, written quote and recommended model options.
Professional Installation
Gas Safe registered engineer Jamie installs the boiler, fit controls and flue, remove the old unit and complete neat, compliant pipework.
Testing & Handover
Full commissioning, safety checks and compliance paperwork, then a hands-on walkthrough so you know how to use the boiler and controls.
Benefits
Why Choose us for Boiler Installation?
Gas Safe & Insured
All gas work is carried out by Gas Safe registered engineers and covered by public liability insurance for your peace of mind.
24+ Years' Practical Experience
Two decades of local installations across Monmouthshire, Gwent and Cardiff mean tidy workmanship, practical solutions and reliable project delivery.
Guaranteed Workmanship
Every installation includes a 12-month workmanship guarantee plus manufacturer-backed warranties from Worcester Bosch and Vaillant where applicable.
What we install and why it matters. We supply and fit gas boilers for replacements and new builds, matching output and controls to your property — from terraced houses in Abergavenny to Victorian semis in Monmouth. We recommend Worcester Bosch or Vaillant models where appropriate and ensure the flue position, condensate run and ventilation meet regulations. After fitting we fully commission the system, run safety checks and provide the required compliance paperwork.
Local, straightforward service. Jamie is your local engineer covering Monmouthshire, Gwent and Cardiff. For a free site survey and clear, written recommendation call 07388696835. Installations are tidy, punctual and handed over with user instructions and aftercare contact details.
FAQ
Frequently Asked Questions
Most straightforward boiler changeovers are completed in a day, but timescales depend on access, flue alterations and whether controls or pipework need upgrading. We confirm a workable timescale during the survey and give a clear schedule before work begins.
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Ready to book your boiler installation?
Get a free, no‑obligation site survey and clear written quote from local Gas Safe engineers with 24 years' experience. Fast callouts across Monmouthshire, Gwent and Cardiff.
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