Oli Jones Engineering is a Gas Safe registered commercial gas engineer based at 112 Macnaghten Road, Southampton SO18 1GH, providing commercial gas engineering services across Southampton, Portsmouth, Winchester, Fareham, Eastleigh and the surrounding South Coast area — covering work up to 50 miles from Southampton.

The business focuses on commercial gas appliances in plant rooms, offering servicing, fault finding, repair, testing and certification. Core services include commercial boiler service, commercial boiler repair and commercial boiler installation, alongside commercial gas safety certificates covering CP17 (commercial), CP42 (commercial catering) and CP44 (mobile catering) requirements. Oli Jones Engineering also carries out gas tightness testing, gas purging, commercial warm air heater service and repair, commercial gas water heater service and repair, and commercial LPG services.

For landlords, the business issues landlord gas safety certificates (CP12) across its full commercial coverage area. It also provides gas generator gas safety certificates, and a dedicated marine strand covering boat and yacht gas safety certificates (CP2) and marine gas safety inspections for named port towns including Hamble-le-Rice, Lymington and East Cowes. Domestic gas engineering services — including domestic boiler service and repair — are also available.

Every job is carried out by the engineer who quotes it: the same person who prices the work is the one who turns up and completes it, ensuring consistency and accountability throughout. For a quote or to book a service,