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SA8: plumbing, heating and air-conditioning companies in Swansea
SA8 (Swansea) has 11 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 11 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, SA8 had ≈4 nights above 18 °C in 2026 (17 times the 1991–2020 average of 0.2).
SA8
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ANTLIN PLUMBING & HEATING LIMITED, incorporated 2011, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| ANTLIN PLUMBING & HEATING LIMITED | 2011 | Active | SA8 |
| CANNON HEATING SERVICES LTD | 2007 | Active | SA8 |
| DJP PLUMBING AND HEATING LTD. | 2021 | Active | SA8 |
| DOUBLE K HEATING AND PLUMBING LIMITED | 2017 | Active - Proposal to Strike off | SA8 |
| DURAMAX PLUMBING LIMITED | 2025 | Active | SA8 |
| GREEN CORE UTILITY SOLUTIONS LTD | 2024 | Active | SA8 |
| HANDYMAN-24H LTD | 2014 | Active | SA8 |
| JJL ENERGY SERVICES LTD | 2024 | Active | SA8 |
| MICHAEL BAKER BOILER MAINTENANCE LIMITED | 2005 | Active | SA8 |
| MKLW GROUP LTD | 2023 | Active | SA8 |
| OSBORNE JONES LOGBURNERS AND STOVES LTD | 2023 | Active | SA8 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| AJ WILLIAMS ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2021 | Active | SA8 |
| ALPHA UPVC LIMITED | 43290 · other construction installation | 2019 | Active | SA8 |
| AWRB SOLAR & STORAGE SOLUTIONS LTD | 43210 · electrical installation | 2023 | Active | SA8 |
| C.A. ROBERTS BUILDERS LTD | 43290 · other construction installation | 2016 | Active - Proposal to Strike off | SA8 |
| COOMBS CONNECTED LTD | 43210 · electrical installation | 2024 | Active | SA8 |
| D J ROMANO & SON LIMITED | 43210 · electrical installation | 2007 | Active | SA8 |
| DPRICE BUILDERS LTD | 43290 · other construction installation; 41201; 41202 | 2019 | Active | SA8 |
| ELECTRICAL INNOVATION (WALES) LIMITED | 43210 · electrical installation; 43999 | 2011 | Active | SA8 |
| JONES & JONES ELECTRICAL LIMITED | 43210 · electrical installation | 2017 | Active | SA8 |
| MAC ELECTRICAL SERVICES LIMITED | 43210 · electrical installation | 2021 | Active | SA8 |
| THE ALTERNATIVE ENERGY CENTRE LTD | 43210 · electrical installation | 2023 | Active | SA8 |
What homes around SA8 need
In SA8 last summer (2026) there were ≈4 nights that stayed above 18 °C — 17 times the 1991–2020 average of 0.2 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
1% of sampled postcodes in SA8 sit in a conservation area (on-record, 306 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 SA8, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in SA8, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in SA8, with that district's hot nights and planning rule.