Boiler & heating engineers in Porthmadog

These 6 businesses are registered in Porthmadog 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 Porthmadog

• Carwyn Ap Plymio A Gwresogi Cyf

  ST. DAVIDS BUILDING, LOMBARD STREET, Porthmadog LL49 9AP · Registered August 2025

• Db & E Williams Limited

  ADEILAD ST. DAVIDS BUILDING, STRYD LOMBARD STREET, Porthmadog LL49 9AP · Registered April 2015

• Elis Llywelyn Williams Cyf

  ST. DAVIDS BUILDING, LOMBARD STREET, Porthmadog LL49 9AP · Registered February 2022

• Meddyg Care (facilities Management) Ltd

  11 BANK PLACE, Porthmadog LL49 9AA · Registered December 2022

• R Humphreys & Sons Ltd

  ADEILAD ST DAVID'S BUILDING, LOMBARD STREET, Porthmadog LL49 9AP · Registered April 2008

• R J Jones Plumbing & Heating Ltd

  ST. DAVIDS BUILDING, LOMBARD STREET, Porthmadog LL49 9AP · Registered March 2021