Boiler & heating engineers in Swansea

These 173 businesses are registered in Swansea under a plumbing, heating or air-conditioning installation trade code. A listing is a public record, not a recommendation, so always confirm current Gas Safe registration before booking gas work.

Companies registered in Swansea(page 1 of 6)

• 6 Energy Limited

  TY CAER WYR CHARTER COURT PHOENIX WAY, ENTERPRISE PARK, Swansea SA7 9FS · Registered May 2026

• Abertawe Heating & Plumbing Ltd

  10-11 CAER STREET, Swansea SA1 3PP · Registered October 2013

• About Drains Ltd

  34 TAN Y MARIAN ROAD, MAYHILL, Swansea SA1 6SW · Registered January 2024

• Air Conditioning & Heat Pumps Limited

  C/O EACCOUNTS GROUND FLOOR CARDIGAN HOUSE, CASTLE COURT, Swansea SA7 9LA · Registered August 2026

• Air Source Energy South Wales Limited

  240 PENIEL GREEN ROAD, PENIEL GREEN, Swansea SA7 9BD · Registered February 2022

• Altan Plumbing & Heating Ltd

  69 BELGRAVE ROAD, GORSEINON, Swansea SA4 6RF · Registered August 2021

• Amju Gas Plumbing And Heating Ltd

  79 JERSEY ROAD, BONYMAEN, Swansea SA1 7DQ · Registered July 2023

• Amroc Heating Services Limited

  UNIT 3 MELROSE CLOSE, SWANSEA ENTERPRISE PARK, Swansea SA6 8QE · Registered January 2006

• Antlin Plumbing & Heating Limited

  4 HIGH STREET, PONTARDAWE, Swansea SA8 4HU · Registered December 2011

• Ao Gas Ltd

  10-11 CAER STREET, Swansea SA1 3PP · Registered April 2019

• Aqua Revival Bathrooms Ltd

  34 TUDOR ROAD, TREBOETH, Swansea SA5 9HG · Registered November 2025

• Ar Plumbing, Heating & Gas Ltd

  68 EMILY FIELDS, BIRCHGROVE, Swansea SA7 9NJ · Registered January 2021

• Asw Energy Services Limited

  MHA HOUSE CHARTER COURT, PHOENIX WAY, SWANSEA ENTERPRISE PARK, Swansea SA7 9FS · Registered May 2019

• Ayles M.e.c Ltd

  30 WALTERS ROAD, CWMLLYNFELL, Swansea SA9 2FH · Registered April 2023

• Blue Jays Home Services Ltd

  32 CORK HOUSE MANNHEIM QUAY, MARITIME QUARTER, Swansea SA1 1RT · Registered August 2026

• Brooksmith Air Limited

  UNITS 3/4 HARTLEY COURT, PHOENIX WAY, Swansea SA4 9WF · Registered July 2026

• Cambriani Gas Ltd

  AVC HOUSE, 21 NORTHAMPTON LANE, Swansea SA1 4EH · Registered March 2019

• Cambriani Plumbing & Heating Ltd

  10 HAWTHORNE AVENUE, GORSEINON, Swansea SA4 4XD · Registered March 2021

• Cannon Heating Services Ltd

  4 HIGH STREET, PONTARDAWE, Swansea SA8 4HU · Registered October 2007

• Cityflow Plumbing And Heating Limited

  7 PEN Y MORFA HELI, GORSEINON, Swansea SA4 4BB · Registered January 2026

• Clima Cooling Solutions Ltd

  9 CWRT ISAF, BIRCHGROVE, Swansea SA7 9PP · Registered July 2026

• Coastline Heating Services Limited

  435 GOWER ROAD, KILLAY, Swansea SA2 7AN · Registered February 2019

• Colgas Ltd

  71 CONWAY ROAD, PENLAN, Swansea SA5 7AU · Registered February 2025

• Crowsfoot Heating Services Ltd

  46 GURNOS ROAD, YSTALYFERA, Swansea SA9 2HY · Registered December 2022

• D.h.a. (wales) Limited

  122 CLASEMONT ROAD, MORRISTON, Swansea SA6 6AJ · Registered May 1996

• Dancer Engineering Services Limited

  7 SAUNDERS WAY, SKETTY, Swansea SA2 8AY · Registered October 2024

• Dc Plumbing & Construction Ltd

  44 FAIRY GROVE, KILLAY, Swansea SA2 7BY · Registered July 2026

• Dial Carpentry Ltd

  1 BRYNYMOR ROAD, LOUGHOR, Swansea SA4 6TD · Registered March 2023

• Djp Plumbing And Heating Ltd.

  8 DAVIES ROAD, PONTARDAWE, Swansea SA8 4PH · Registered September 2021

• Drs Fm Services Limited

  PHOENIX HOUSE LLYS FELIN NEWYDD, ENTERPRISE PARK, Swansea SA7 9FG · Registered September 2013