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SA7: plumbing, heating and air-conditioning companies in Swansea
SA7 (Swansea) has 30 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 40 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, SA7 had ≈6 nights above 18 °C in 2026 (9 times the 1991–2020 average of 0.7).
SA7
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6 ENERGY LIMITED, incorporated 2026, status Active.
Plumbing, heating and air-conditioning companies
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| A. & B. ELECTRICS LIMITED | 43210 · electrical installation | 2002 | Active | SA7 |
| ARTHUR REGINALD CONSTRUCTION LIMITED | 43290 · other construction installation | 2023 | Active | SA7 |
| ATLAS SOLAR & STORAGE LIMITED | 43210 · electrical installation; 43290 · other construction installation | 2026 | Active | SA7 |
| BR JOINERY LIMITED | 43290 · other construction installation; 43320 | 2022 | Active | SA7 |
| CD ELECTRICAL LTD | 43210 · electrical installation | 2020 | Active | SA7 |
| CONNECTED ELECTRIC LTD | 43210 · electrical installation | 2022 | Active | SA7 |
| CURSIO ELECTRICAL LIMITED | 43210 · electrical installation | 2025 | Active | SA7 |
| DCW PROJECT SERVICES LTD | 43290 · other construction installation | 2018 | Active | SA7 |
| DHWD LIMITED | 43290 · other construction installation; 41201; 41202; 43390 | 2009 | Active | SA7 |
| DOOR SYSTEM INSTALLATIONS LTD | 43290 · other construction installation | 2009 | Active | SA7 |
| ECO RENEWABLE INSTALLATIONS LIMITED | 43210 · electrical installation | 2025 | Active | SA7 |
| EFFICIENT LIVING SOLUTIONS UK LTD | 43290 · other construction installation | 2023 | Active | SA7 |
| ELECTRICAL & RENEWABLE INSTALLATIONS LIMITED | 43210 · electrical installation | 2023 | Active | SA7 |
| FK & MORE LIMITED | 43290 · other construction installation | 2012 | Liquidation | SA7 |
| GAIA ENABLED LIMITED | 43210 · electrical installation; 62012 | 2020 | Active | SA7 |
| GEE UTILITIES SERVICES LIMITED | 43290 · other construction installation | 2017 | Active | SA7 |
| GNR ELECTRICAL LTD | 43210 · electrical installation | 2020 | Active | SA7 |
| GRE ELECTRICAL SERVICES LIMITED | 43210 · electrical installation | 2024 | Active | SA7 |
| HAVEN HOME BUILDERS LIMITED | 43210 · electrical installation; 41201; 41202 | 2024 | Active | SA7 |
| HOUND SECURITY LTD | 43210 · electrical installation | 2018 | Active | SA7 |
| J3 ELECTRICAL SERVICES LIMITED | 43210 · electrical installation | 2016 | Active | SA7 |
| JC LEVELS LIMITED | 43290 · other construction installation | 2026 | Active | SA7 |
| JEJ ELECTRICAL SERVICES LIMITED | 43210 · electrical installation | 2011 | Active - Proposal to Strike off | SA7 |
| JOHN MITCHELL ELECTRICAL SOLUTIONS LIMITED | 43210 · electrical installation | 2026 | Active | SA7 |
| K R ELECTRICAL SERVICES LIMITED | 43210 · electrical installation | 2013 | Active | SA7 |
| MCE SUBSTATION SERVICES LTD | 43210 · electrical installation; 33140 | 2026 | Active | SA7 |
| MIRUS ENERGY (CYMRU) LTD | 43210 · electrical installation; 81100 | 2022 | Active | SA7 |
| MORSTONE ELECTRICAL LTD | 43210 · electrical installation | 2026 | Active | SA7 |
| R.D.M. ELECTRICAL SERVICES LIMITED | 43210 · electrical installation | 1988 | Active | SA7 |
| RHF INSTALLATIONS LTD | 43290 · other construction installation | 2021 | Active | SA7 |
| SALIS ELECTRICAL LIMITED | 43210 · electrical installation | 2017 | Active - Proposal to Strike off | SA7 |
| SCORPION M&E SERVICES LTD | 43290 · other construction installation | 2021 | Active | SA7 |
| SOWDEN AGRI LIMITED | 43210 · electrical installation; 46610 | 2024 | Active | SA7 |
| SWANSEA BATHROOM SOLUTIONS LTD | 43290 · other construction installation | 2020 | Active | SA7 |
| T. J. BROWN LTD | 43210 · electrical installation | 2025 | Active | SA7 |
| TOM JENKINS ELECTRICAL LTD | 43210 · electrical installation | 2019 | Active - Proposal to Strike off | SA7 |
| TPN ELECTRICAL ENGINEERS LIMITED | 43210 · electrical installation | 2004 | Active | SA7 |
| TREBOETH INTERIORS LIMITED | 43290 · other construction installation | 2001 | Active - Proposal to Strike off | SA7 |
| TRI-ENERGY LTD | 43210 · electrical installation | 2026 | Active | SA7 |
| TRYDAN ENGINEERING LTD | 43210 · electrical installation | 2024 | Active | SA7 |
What homes around SA7 need
In SA7 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).
0% of sampled postcodes in SA7 sit in a conservation area (on-record, 347 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 SA7, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in SA7, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in SA7, with that district's hot nights and planning rule.