20+ Gas Engineers in Cardiff

Gas work in Cardiff must be carried out by a Gas Safe registered engineer; homeowners can verify an engineer's registration at gassaferegister.co.uk using the card number or business name. The Gas Safe Register replaced CORGI registration in 2009 and is the sole legally-required credential for gas work in England and Wales, covering domestic gas, LPG, and commercial gas appliances. Cardiff's building stock shapes the type of gas work most in demand across the city. The Victorian and Edwardian terraces of Cathays, Roath, Canton and Grangetown (CF24, CF11) are the primary source of back-boiler replacement work in South Wales, properties in these postcodes still have a significant proportion of back boilers concealed behind living-room fireplace surrounds, and the move to a wall-hung combi typically involves rerouting the flue through solid brick walls rather than the lightweight cavity construction common on later housing. Condensate pipe routing is also more complex in solid-wall terraces, where avoiding frozen pipe sections through unheated voids requires longer internal runs. The Cardiff Bay and Roath Basin waterfront (CF10) and the Pontprennau new-build belt (CF23) are at the opposite end: modern combi boilers installed under five- to ten-year manufacturers' warranties from Worcester Bosch, Baxi and Vaillant, where common engineer callouts are annual services, fault diagnosis before warranty expiry, and smart thermostat and TRV integration work. Landlord Certificates, Gas Safety Certificates (the CP12 form under the Gas Safety Regulations 1998), are a recurring service driver across Cardiff given the city's size of private-rental sector. Annual inspections are a legal requirement for all rented dwellings with gas appliances; landlords failing to obtain and serve a valid CP12 within 28 days of a new tenancy face unlimited fines. The Cathays, Roath and city-centre postcode areas (CF24, CF10) have the densest concentration of HMO and multi-let properties requiring annual certification. Cardiff Council Building Control handles notifiable gas work that falls outside Gas Safe self-certification, and any new gas supply installation or significant appliance relocation should be discussed with building control at cardiff.gov.uk before works begin.

29 verified gas engineers · 4.9★ average across 2833 Google reviews · 23 with website

Browse gas engineers in Cardiff, South Wales. Every listing is sourced from public records and checked against Companies House and Google Business Profile. Ask for Gas Safe or CIPHE credentials when choosing a gas engineer, and verify them with the issuing body. All contact details are visible after a business claims its listing.

20 businesses listed

Gas Engineer guides for Cardiff

Areas covered for gas engineers in Cardiff

Gas Engineers listed for Cardiff typically cover the CF3, CF5, CF10, CF11, CF14, CF15, CF23, CF24 postcode areas and surrounding parts of South Wales. Service radius varies per business, many also work in adjacent towns and villages within the same postcode group.

Including Rumney, St Mellons, Trowbridge, Llanrumney, Old St Mellons, Ely, Caerau, Fairwater, Canton, Llandaff, Pontcanna, Cardiff City Centre, Cardiff Bay, Butetown, Adamsdown, Riverside, Grangetown, Leckwith, Whitchurch, Tongwynlais, Rhiwbina, Birchgrove, Llanishen and Lisvane.

Gas Engineers in nearby towns

Common gas engineers services in Cardiff

Cardiff's planning department uses an online portal at planning.cardiff.gov.uk; most domestic work in the city's conservation areas (Pontcanna, Cathedral Road, Roath Park) needs Listed Building Consent or Article 4 Direction approval before starting. Building Regs sign-off goes through Cardiff Council.

Listed gas engineers in Cardiff typically cover the following work. Scopes vary per business, request a free quote on any specific job above.

• Carbon monoxide alarm installation
• Boiler installation (combi, system, regular)
• Gas cooker installation
• Smart thermostat installation
• Annual boiler service and gas safety check
• Gas leak detection and repair
• Emergency gas callouts
• Landlord gas safety certificates (CP12)
• Gas hob and oven fitting
• Powerflushing and system upgrades

Not sure what Gas Safe Register means or how to verify it? Read the plain-English definition →

Related guides

Before you hire, Welsh regulations to know

Gas Engineers near Cardiff

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