The 10 heating engineers from Google's results for Swansea, ranked on Google rating, online presence and other factors. Updated 10 September 2026.
Wales has run its own planning system since 2016 and permitted development rights differ from England.
on GoogleGorseinon, Swansea
Swansea Gas and Oil handles boiler repairs, installations and care plans for domestic properties in Gorseinon and across South Wales. Engineers provide round-the-clock emergency call-outs and cater to larger residential buildings.
07737 307035 6 Bryn Cl, Gorseinon, Swansea SA4 4FN
on GoogleClydach, Swansea
Swansea Plumbers Boilers fits, repairs and services combi boilers for residential and commercial properties. Serving Clydach, Swansea, Neath, Port Talbot and Llanelli, the engineers offer flexible booking schedules for plumbing and gas work.
07490 714838 50 Faraday Rd, Clydach, Swansea SA6 5JS
on GoogleYstradgynlais, Swansea
R L Rees focuses on domestic gas maintenance, boiler installations and general plumbing across Swansea, Ystradgynlais and Neath. The firm carries out annual boiler servicing alongside priority customer maintenance plans for local homeowners.
07921 253889 25 Heol Tredeg, Cwm-twrch Uchaf, Ystradgynlais, Swansea SA9 2XD
on GoogleLlansamlet, Swansea
Heating, plumbing and renewable energy services are supplied by RM Blake throughout Llansamlet, Swansea and South Wales. The team installs boilers from brands like Worcester Bosch and Viessmann, serving both domestic and commercial clients.
0800 270 7079 Church Rd, Llansamlet, Swansea SA7 9RL
on GoogleCwmrhydyceirw, Swansea
Owl Plumbing and Heating undertakes complete bathroom renovations alongside general plumbing work across Swansea, Llanelli and Bridgend. Its team handles boiler repairs, oil and gas installations, and emergency plumbing calls.
07980 749712 41 Rhodfa'r Dryw, Cwmrhydyceirw, Swansea SA6 6SS
on GoogleDrefach, Llanelli
H2O Heating & Gas Services Ltd delivers heating solutions and boiler work across Drefach, Llanelli and South West Wales. The team assists local clients with central heating maintenance, boiler care and gas service requests.
07855 526614 Y Garth, Capel Seion Rd, Drefach, Llanelli SA14 7BN
on GoogleGendros, Swansea
Cambriani Plumbing offers boiler servicing, heating installations, bathroom refits and full house replumbing in Gendros and Swansea. Services cover homeowners, landlords and estate agents across Uplands, Morriston, Mumbles and Gorseinon.
07513 172406 414 Middle Rd, Gendros, Swansea SA5 8EJ
on GoogleSwansea
Gas Services Wales performs boiler installations, power flushing and central heating repairs for domestic properties. Operating across Swansea, Neath and Port Talbot, the firm also carries out routine gas safety inspections and plumbing services.
01792 475100 St Helen's Mews, Rear of, 89-99 St Helen's Ave, Swansea SA1 4NN
on GooglePenllergaer, Swansea
Plumbing, heating and electrical solutions are supplied by Warmserve Services to domestic and commercial clients throughout Swansea and South Wales. Services include boiler replacements, underfloor heating setups, bathroom redesigns and 24-hour emergency call-outs.
01792 348210 Unit 2, Llwyn Y Graig, Garngoch Industrial Estate, Penllergaer, Swansea SA4 9WG
on GoogleUplands, Swansea
Boiler upgrades, breakdown repairs and complete central heating installations are undertaken by Raj Plumb Heat. Located in Uplands, the team provides heating and gas services to both domestic and commercial properties across Swansea.
07970 754851 55 Beechwood Rd, Uplands, Swansea SA2 0JL
In Swansea, boiler service typically costs £65 – £135. Labour in Swansea runs 9% below the UK median, which accounts for most of the difference from the same job elsewhere.
These are the firms from Google's results for "heating engineers swansea". They are ranked on Google rating, online presence and other factors.
The figures above are Swansea ranges. These explain what drives them, so you can read a quote properly.
Installed 2026 prices for combi, system and regular boilers, what converting to a combi adds, boiler prices by brand, and the lines a full quote should carry.
Kit and fitted prices per square metre for wet and electric underfloor heating, new build against retrofit, running costs at the October 2026 price cap, and when approval is needed.
Who legally needs a gas safety certificate, what the engineer checks, the 12-month and 28-day rules, what a check costs, and how the rules differ in Scotland, Wales and Northern Ireland.
The Boiler Upgrade Scheme grant is paid to your installer, who deducts it from the quote. The installer must be MCS certified for it to apply, so confirm that before signing anything.