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SO19: plumbing, heating and air-conditioning companies in Southampton
SO19 (Southampton) has 47 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 87 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, SO19 had ≈7 nights above 18 °C in 2026 (5 times the 1991–2020 average of 1.3).
SO19
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A & M BUILDING & HOME ADAPTION SPECIALISTS LIMITED, incorporated 2026, status Active.
Plumbing, heating and air-conditioning companies
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| 1 CALL ELECTRICAL LTD | 43210 · electrical installation | 2023 | Active | SO19 |
| 1682 PRODUCTIONS LTD | 43290 · other construction installation; 59112; 73120; 74202 | 2022 | Active | SO19 |
| A MOOR ELECTRICAL LIMITED | 43210 · electrical installation | 2013 | Active | SO19 |
| ADROIT CONTRACTING LTD | 43210 · electrical installation | 2019 | Active | SO19 |
| ALT DESIGNER LTD | 43210 · electrical installation; 71129 | 2025 | Active | SO19 |
| ASPECT ELECTRICAL SOUTH LTD | 43210 · electrical installation | 2023 | Active | SO19 |
| AV ELECTRICAL & PROPERTY SOLUTIONS LIMITED | 43210 · electrical installation | 2020 | Active | SO19 |
| AVERONA GROUP LTD | 43210 · electrical installation | 2022 | Active | SO19 |
| B & W SUPREME SERVICES LIMITED | 43290 · other construction installation; 41202; 43110 | 2024 | Active | SO19 |
| BEAR ELECTRICAL CONTRACTORS LTD | 43210 · electrical installation | 2020 | Active | SO19 |
| BOULTON COMPOSITES LTD | 43290 · other construction installation; 42990 | 2019 | Active | SO19 |
| C HOWE ELECTRICAL LTD | 43210 · electrical installation; 33140; 95210; 95220 | 2020 | Active | SO19 |
| CACAP ELECTRICAL LIMITED | 43210 · electrical installation | 2014 | Active | SO19 |
| CARIB ELECTRICAL LTD | 43210 · electrical installation | 2025 | Active | SO19 |
| CF ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2022 | Active | SO19 |
| CHADWELL ELECTRICAL LTD | 43210 · electrical installation | 2025 | Active | SO19 |
| COAST AND COUNTRY FENCING LTD | 43290 · other construction installation | 2024 | Active | SO19 |
| COLLICUTT LIMITED | 43210 · electrical installation; 33140; 47781; 90030 | 2019 | Active | SO19 |
| CONNECTED FIRE & SECURITY LIMITED | 43210 · electrical installation | 2011 | Active | SO19 |
| D&D FIRE PROTECTION LTD | 43290 · other construction installation | 2025 | Active | SO19 |
| DALEHURST CONSTRUCTION LTD | 43290 · other construction installation | 2026 | Active | SO19 |
| DEREK YOUNG ELECTRICAL LIMITED | 43210 · electrical installation | 2018 | Active | SO19 |
| ECO-STAR ELECTRICAL CONTRACTING LTD | 43210 · electrical installation | 2025 | Active | SO19 |
| EDMUND CONTRACT BUILDING SERVICE LIMITED | 43290 · other construction installation | 2025 | Active | SO19 |
| ELITE ELECTRICAL SERVICES (SOUTHERN) LTD | 43210 · electrical installation | 2016 | Active | SO19 |
| ELTECH W LTD | 43290 · other construction installation | 2019 | Active | SO19 |
| EMPIRE ELECTRICAL & MECHANICAL SOLUTIONS LTD | 43210 · electrical installation | 2020 | Active | SO19 |
| ENVIROLEX LTD | 43210 · electrical installation | 2021 | Active | SO19 |
| EVOLUTION WINDOWS & DOORS LTD | 43290 · other construction installation | 2019 | Active - Proposal to Strike off | SO19 |
| FREEMAN AND SON ELECTRICAL LIMITED | 43210 · electrical installation | 2024 | Active | SO19 |
| G B MARINE SERVICES LTD | 43290 · other construction installation | 2008 | Active | SO19 |
| G H ELECTRICAL LTD | 43210 · electrical installation | 2019 | Active - Proposal to Strike off | SO19 |
| GGP ELECTRICAL LTD | 43210 · electrical installation | 2022 | Active | SO19 |
| GLASSPOOL INSTALLATIONS LIMITED | 43210 · electrical installation | 2011 | Active - Proposal to Strike off | SO19 |
| GREEN LIZARD ELECTRICAL LTD | 43210 · electrical installation | 2016 | Active | SO19 |
| H G ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2004 | Active - Proposal to Strike off | SO19 |
| HJA ELECTRICAL CONTRACTORS LTD | 43210 · electrical installation | 2017 | Active | SO19 |
| I A N (ELECTRICAL) LIMITED | 43210 · electrical installation | 2014 | Active | SO19 |
| JAYLEC ELECTRICAL LIMITED | 43210 · electrical installation | 2014 | Active | SO19 |
| JPPV SOLUTIONS LIMITED | 43210 · electrical installation | 2026 | Active | SO19 |
| JV RAIL SOLUTIONS LTD | 43210 · electrical installation | 2015 | Active - Proposal to Strike off | SO19 |
| JWH BUILDING CONTRACTORS LTD | 43290 · other construction installation | 2021 | Active | SO19 |
| KO ELECTRICAL SOLUTIONS LTD | 43210 · electrical installation | 2018 | Active - Proposal to Strike off | SO19 |
| KRYSTY SULLIVAN RAILWAY LIMITED | 43210 · electrical installation | 2015 | Active | SO19 |
| L A CABLING LIMITED | 43210 · electrical installation; 42220; 61100; 61200 | 2014 | Active | SO19 |
| L BYRNE BRICKWORK AND BUILDING LTD | 43290 · other construction installation | 2025 | Active | SO19 |
| LEE HAYWARD LTD | 43210 · electrical installation | 2007 | Active | SO19 |
| M. KNIGHTS ELECTRICAL LTD. | 43210 · electrical installation | 2018 | Active - Proposal to Strike off | SO19 |
| MAGIC CONVERSION LTD | 43290 · other construction installation; 41201; 41202 | 2026 | Active | SO19 |
| MAKTECH AUTOMATION LTD | 43210 · electrical installation; 71121; 71122 | 2022 | Active | SO19 |
| MASTER INSTALLATIONS LTD | 43210 · electrical installation | 2011 | Active | SO19 |
| MD CEILINGS LTD | 43290 · other construction installation | 2017 | Active | SO19 |
| MERRYTHORN ELECTRICAL LTD | 43210 · electrical installation | 2025 | Active | SO19 |
| MJ BUILDING & GROUNDWORKS LTD | 43290 · other construction installation; 41202 | 2022 | Active - Proposal to Strike off | SO19 |
| MJA ELECTRICAL AND MAINTENANCE LTD | 43210 · electrical installation | 2026 | Active | SO19 |
| MJS ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2025 | Active | SO19 |
| OTTELO ELECTRICAL LTD | 43210 · electrical installation | 2026 | Active | SO19 |
| PAUL OLSEN ELECTRICAL LTD | 43210 · electrical installation | 2024 | Active | SO19 |
| PDH ENGINEERING SERVICES LIMITED | 43210 · electrical installation | 2014 | Active - Proposal to Strike off | SO19 |
| PEVIAP LIMITED | 43210 · electrical installation; 43999 | 2014 | Active | SO19 |
| PHAZE ELECTRICS LTD | 43210 · electrical installation | 2025 | Active | SO19 |
| PJC FACADES LTD | 43290 · other construction installation | 2026 | Active | SO19 |
| PKM ELECTRICAL LTD | 43210 · electrical installation; 43390 | 2019 | Active | SO19 |
| PRECISION MARINE LTD | 43210 · electrical installation | 2026 | Active | SO19 |
| PROF BUILDERS LIMITED | 43290 · other construction installation | 2025 | Active | SO19 |
| RGB ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2020 | Active | SO19 |
| RO ROCKET CARPENTRY LIMITED | 43290 · other construction installation | 2020 | Active | SO19 |
| RPD VISUAL LTD | 43290 · other construction installation; 59112; 59132; 60200 | 2025 | Active | SO19 |
| S ALLEN ELECTRICAL LTD | 43210 · electrical installation | 2018 | Active | SO19 |
| S BREWER BUILDING LTD | 43290 · other construction installation | 2022 | Active | SO19 |
| S.E.B. ELECTRICAL CONTRACTORS LTD | 43210 · electrical installation | 2022 | Active | SO19 |
| SAVINSTALLATIONS LTD | 43290 · other construction installation | 2022 | Active | SO19 |
| SECURITY SOUTHAMPTON LIMITED | 43290 · other construction installation | 2021 | Active | SO19 |
| SEMAS SOLUTIONS LTD | 43290 · other construction installation; 41201; 41202 | 2024 | Active | SO19 |
| SHARPE'S ELECTRICAL SERVICES LIMITED | 43210 · electrical installation | 2021 | Active | SO19 |
| SIVA GROUP LTD | 43210 · electrical installation; 43999; 49410; 81299 | 2025 | Active | SO19 |
| SPARKYS & HUTCH ELECTRICAL LIMITED | 43210 · electrical installation | 2019 | Active | SO19 |
| TEAME ELECTRICAL LIMITED | 43210 · electrical installation | 2015 | Active | SO19 |
| TENDERCHANGE LIMITED | 43210 · electrical installation | 1996 | Active | SO19 |
| THE ELECTRIC COMPANY SOUTHERN LTD | 43210 · electrical installation; 47990 | 2018 | Active | SO19 |
| TMD MAINTENANCE AND SERVICES LTD | 43210 · electrical installation; 41202 | 2020 | Active | SO19 |
| TOMMY ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2026 | Active | SO19 |
| TRAVOLTA ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2020 | Active | SO19 |
| VOLTWAVEUK LTD | 43210 · electrical installation | 2023 | Active | SO19 |
| WATTWISE ELECTRIC SOUTHERN LIMITED | 43210 · electrical installation | 2026 | Active | SO19 |
| YELLOW ELECTRICAL AND PROPERTY SERVICES LIMITED | 43210 · electrical installation | 2006 | Active | SO19 |
| ZIMNO CONSTRUCTION LTD | 43210 · electrical installation; 41202 | 2020 | Active | SO19 |
What homes around SO19 need
In SO19 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).
1% of sampled postcodes in SO19 sit in a conservation area (on-record, 1,194 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 SO19, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in SO19, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in SO19, with that district's hot nights and planning rule.