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SO30: plumbing, heating and air-conditioning companies in Southampton
SO30 (Southampton) has 31 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 59 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, SO30 had ≈7 nights above 18 °C in 2026 (5 times the 1991–2020 average of 1.3).
SO30
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ADVANCED WATER SOFTENERS LIMITED, incorporated 2003, status Active.
Plumbing, heating and air-conditioning companies
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| 3D GEOSURVEY LTD | 43290 · other construction installation | 2020 | Active - Proposal to Strike off | SO30 |
| 5HE'S ELECTRIC LTD | 43210 · electrical installation | 2025 | Active | SO30 |
| ABH ELECTRICAL LTD | 43210 · electrical installation | 2017 | Active | SO30 |
| ACCURA ELECTRICAL LTD | 43210 · electrical installation | 2025 | Active | SO30 |
| ACE ELECTRICAL ENGINEERS LIMITED | 43210 · electrical installation | 2003 | Active | SO30 |
| ADAPT 2 LTD | 43210 · electrical installation; 41100 | 2022 | Active | SO30 |
| ADVANCED TIMBER SYSTEMS LIMITED | 43290 · other construction installation | 2011 | Active | SO30 |
| AF THE FULL DECK LIMITED | 43290 · other construction installation; 43310; 43320; 43330 | 2026 | Active | SO30 |
| AJM BESPOKE BUILDS LTD | 43290 · other construction installation; 41202; 43390; 81300 | 2022 | Active | SO30 |
| AM YOUNG ELECTRICAL LIMITED | 43210 · electrical installation | 2023 | Active | SO30 |
| ANTHONY RICHARD TONKS LTD | 43210 · electrical installation | 2021 | Active | SO30 |
| ASTRO AIR CONDITIONING LTD | 43290 · other construction installation | 2003 | Active | SO30 |
| BERRY ENERGY SOLUTIONS LIMITED | 43210 · electrical installation | 2025 | Active | SO30 |
| BRIGHTER ELECTRICAL LIMITED | 43210 · electrical installation | 2019 | Active | SO30 |
| BROGAN'S FIRE & ELECTRICAL INSTALLATIONS LTD | 43210 · electrical installation | 2018 | Active - Proposal to Strike off | SO30 |
| BUTLER RENEWABLES LTD | 43210 · electrical installation | 2024 | Active | SO30 |
| C B JOINTING LIMITED | 43210 · electrical installation | 2011 | Active | SO30 |
| CALTECH SERVICES (SOUTH) LTD | 43210 · electrical installation | 2025 | Active | SO30 |
| CONNECTED ELECTRICAL LIMITED | 43210 · electrical installation | 2010 | Active | SO30 |
| CORE PROPERTY SOLUTIONS LIMITED | 43210 · electrical installation | 2015 | Active | SO30 |
| CREATIVE ELECTRICAL SOLUTIONS LTD | 43210 · electrical installation | 2016 | Active | SO30 |
| CWP ELECTRICAL LTD | 43210 · electrical installation | 2021 | Active | SO30 |
| DBE CONTRACTING LTD | 43210 · electrical installation | 2020 | Active | SO30 |
| DRM INSTALLATIONS LTD | 43210 · electrical installation | 2011 | Active | SO30 |
| EPC UPGRADE GROUP LTD | 43210 · electrical installation; 74909 | 2026 | Active | SO30 |
| FERNDALE LANDSCAPING LTD | 43290 · other construction installation; 42110; 43999; 81300 | 2023 | Active | SO30 |
| G.R.K. ELECTRICAL SERVICES LIMITED | 43210 · electrical installation | 2007 | Active | SO30 |
| GARBO ARCHITECTURAL LTD | 43290 · other construction installation; 43390; 43999 | 2019 | Active | SO30 |
| GAVIN NOKE LIMITED | 43210 · electrical installation; 42220; 61100; 61200 | 2018 | Active | SO30 |
| GIBSON SECURITY AND ELECTRICAL SERVICES LIMITED | 43210 · electrical installation | 2022 | Active | SO30 |
| GOODYER ELECTRICAL LTD | 43210 · electrical installation | 2007 | Active | SO30 |
| H J B CONTROLS LTD | 43210 · electrical installation | 2006 | Active - Proposal to Strike off | SO30 |
| HAIG ELECTRICAL LTD | 43210 · electrical installation; 33140 | 2018 | Active | SO30 |
| JAM ELECTRICAL (SOUTHAMPTON) LTD | 43210 · electrical installation | 2013 | Active | SO30 |
| JCP ELECTRICAL INSTALLATIONS LTD | 43210 · electrical installation | 2024 | Active | SO30 |
| K C T ELECTRICS LIMITED | 43210 · electrical installation | 1997 | Active | SO30 |
| LEGAL & MANAGEMENT SERVICES LIMITED | 43290 · other construction installation | 2003 | Active | SO30 |
| LJH BUILDING SERVICES LTD | 43210 · electrical installation | 2022 | Active | SO30 |
| LUCAS T ELECTRICAL LTD | 43210 · electrical installation | 2014 | Active | SO30 |
| M SHELLEY ELECTRICAL LTD | 43210 · electrical installation | 2018 | Active | SO30 |
| M.F.C. ELECTRICAL LIMITED | 43210 · electrical installation; 96090 | 1999 | Active | SO30 |
| MG ELECTRICAL (SOUTHERN) LTD | 43210 · electrical installation | 2017 | Active | SO30 |
| MK SAMUELS ELECTRICAL CONTRACTORS LIMITED | 43210 · electrical installation | 2006 | Active | SO30 |
| MOORES ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2017 | Active | SO30 |
| MS HOMES (SOUTHERN) LTD | 43290 · other construction installation; 41202; 68209 | 2017 | Active | SO30 |
| MZL BELLATOR LTD | 43290 · other construction installation | 2024 | Active | SO30 |
| NATIONAL HOME SURVEYS LTD | 43290 · other construction installation | 2025 | Active | SO30 |
| PICCA COMPLIANCE LIMITED | 43210 · electrical installation | 2026 | Active | SO30 |
| R ADAMES ELECTRICAL LTD | 43210 · electrical installation | 2018 | Active | SO30 |
| ROYALE HOME SOLUTIONS LIMITED | 43290 · other construction installation | 2025 | Active | SO30 |
| ROYL ELECTRICAL LTD | 43210 · electrical installation | 2026 | Active | SO30 |
| SMART WINDOW SOLUTIONS LTD | 43290 · other construction installation | 2024 | Active | SO30 |
| SOLENT GARAGE DOORS LIMITED | 43290 · other construction installation | 2024 | Active | SO30 |
| SOUTH COAST CEILINGS AND PARTITIONS LTD | 43290 · other construction installation | 2026 | Active | SO30 |
| SOUTH COAST CONCRETING LTD | 43290 · other construction installation | 2017 | Active | SO30 |
| SPARKWORKS ENERGY LTD | 43210 · electrical installation | 2023 | Active | SO30 |
| TAKE 1 CONSTRUCTION LTD | 43290 · other construction installation | 2023 | Active | SO30 |
| VOLTS WAGGON LTD | 43210 · electrical installation; 35130; 35140; 42220 | 2022 | Active | SO30 |
| WINTERSTONE SYSTEMS LTD | 43210 · electrical installation; 80200 | 2026 | Active | SO30 |
What homes around SO30 need
In SO30 last summer (2026) there were ≈7 nights that stayed above 18 °C — 5 times the 1991–2020 average of 1.3 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
3% of sampled postcodes in SO30 sit in a conservation area (on-record, 825 live postcodes).
In England 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 SO30, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in SO30, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in SO30, with that district's hot nights and planning rule.