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SA6: plumbing, heating and air-conditioning companies in Swansea
SA6 (Swansea) has 18 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 30 electrical and other installation companies (Companies House, 1 Sep 2026); 0 are MCS-certified for air-to-air yet. If the summer is the question, SA6 had ≈6 nights above 18 °C in 2026 (9 times the 1991–2020 average of 0.7).
SA6
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AMROC HEATING SERVICES LIMITED, incorporated 2006, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| AMROC HEATING SERVICES LIMITED | 2006 | Active | SA6 |
| D.H.A. (WALES) LIMITED | 1996 | Active | SA6 |
| FLUSH H2O LTD | 2022 | Active | SA6 |
| HEATLEX GROUP INSTALLATIONS LTD | 2019 | Active - Proposal to Strike off | SA6 |
| HPL (WALES) LIMITED | 2014 | Active | SA6 |
| HWV 11 LIMITED | 2007 | Active | SA6 |
| J & J AIR CONDITIONING REFRIGERATION LTD | 2025 | Active | SA6 |
| J P VELARDO LIMITED | 2004 | Active | SA6 |
| JJG GAS SERVICES LTD | 2023 | Active | SA6 |
| OSBORN PIPE FITTING SERVICES LIMITED | 2016 | Active | SA6 |
| OWL PLUMBING AND HEATING SERVICES LTD | 2024 | Active | SA6 |
| PLAZATHEME LIMITED | 1994 | Active | SA6 |
| SG RENEWABLE SOLUTIONS LTD | 2023 | Active | SA6 |
| SWANSEA PLUMBERS & BOILERS LTD | 2025 | Active | SA6 |
| TGD SERVICES LTD | 2020 | Active | SA6 |
| TOTAL CARE (WALES) LTD | 2014 | Active | SA6 |
| TOTAL ENERGY SYSTEMS LTD | 2018 | Active - Proposal to Strike off | SA6 |
| TREFORYS GAS SOLUTIONS LTD | 2019 | Active - Proposal to Strike off | SA6 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| ANDREW WEDLAKE ELECTRICAL LIMITED | 43210 · electrical installation | 2011 | Active | SA6 |
| ARCSAFE LTD | 43210 · electrical installation; 85320 | 2019 | Active | SA6 |
| AVIT STRUCTURES LIMITED | 43290 · other construction installation | 2017 | Active | SA6 |
| BML INTERIORS LIMITED | 43290 · other construction installation | 2025 | Active - Proposal to Strike off | SA6 |
| C & P HIGH VOLTAGE SERVICES LIMITED | 43210 · electrical installation; 26511; 26512 | 2019 | Active | SA6 |
| C. & P. ENGINEERING SERVICES LIMITED | 43210 · electrical installation; 26511; 26512; 78200 | 1973 | Active | SA6 |
| CARE & REPAIR SOLUTIONS LTD | 43290 · other construction installation | 2011 | Active | SA6 |
| CSMC ELECTRICAL LTD | 43210 · electrical installation | 2025 | Active | SA6 |
| ELECTECHS LTD | 43210 · electrical installation; 26512; 27900; 28990 | 2002 | Active | SA6 |
| ELECTRIGISE LTD | 43210 · electrical installation | 2022 | Active | SA6 |
| FAIRTRADE WINDOWS AND DOORS LTD | 43290 · other construction installation | 2023 | Active | SA6 |
| FARRINGTON ELECTRICS LIMITED | 43210 · electrical installation | 2015 | Active | SA6 |
| FIRE SAFETY DIRECT LIMITED | 43210 · electrical installation; 46690; 84250 | 2003 | Active | SA6 |
| FIREL LTD | 43290 · other construction installation; 16230; 43320; 70229 | 2023 | Active | SA6 |
| H. PHILLIPS ELECTRICALS LIMITED | 43210 · electrical installation | 2010 | Active | SA6 |
| HANIELS ELECTRICAL LTD | 43210 · electrical installation | 2025 | Active | SA6 |
| IDEAL ENGINEERING & CONTRACTORS LTD | 43210 · electrical installation; 43290 · other construction installation; 33200 | 2026 | Active | SA6 |
| JB HEATING (UK) LIMITED | 43290 · other construction installation | 2008 | Active | SA6 |
| JMC GROUP SOUTH WALES LIMITED | 43210 · electrical installation | 2021 | Active | SA6 |
| LIBERTY CONTROL SERVICES LIMITED | 43210 · electrical installation | 2021 | Active | SA6 |
| M A ELECTRICAL SERVICES LIMITED | 43210 · electrical installation | 2016 | Active | SA6 |
| MEDWIN LTD | 43210 · electrical installation | 2020 | Active | SA6 |
| NET SERO LTD | 43290 · other construction installation | 2023 | Active | SA6 |
| PENDRAGON ELECTRICAL LTD | 43210 · electrical installation | 2022 | Active | SA6 |
| POLARIS VEHICLE SOLUTIONS LIMITED | 43210 · electrical installation | 2018 | Active | SA6 |
| PREMIER WINDOWS DIRECT LIMITED | 43290 · other construction installation | 2018 | Active | SA6 |
| SA1 ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2025 | Active - Proposal to Strike off | SA6 |
| SAH ELECTRICAL (SOUTH WALES) LIMITED | 43210 · electrical installation | 2018 | Active | SA6 |
| SKR ELECTRICAL SOLUTIONS LTD | 43210 · electrical installation | 2022 | Active | SA6 |
| STEWART BROS LTD | 43290 · other construction installation | 2023 | Active | SA6 |
What homes around SA6 need
In SA6 last summer (2026) there were ≈6 nights that stayed above 18 °C — 9 times the 1991–2020 average of 0.7 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
6% of sampled postcodes in SA6 sit in a conservation area (on-record, 763 live postcodes).
In Wales an air-source heat pump on a house can be permitted development under Class G when the conditions hold, including the MCS 020a noise limit of 37.0 dB(A) (§3.2 Step 8).
Companies House snapshot 1 Sep 2026, retrieved 25 Sep 2026. The address shown is the registered office, not a verified operating base. This catalogue is a directory of incorporated businesses, not an exhaustive installer register. Hot nights: ERA5-ARCO for SA6, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in SA6, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in SA6, with that district's hot nights and planning rule.