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W3: plumbing, heating and air-conditioning companies in London
W3 (London) has 63 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 106 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, W3 had ≈12 nights above 18 °C in 2026 (8 times the 1991–2020 average of 1.6).
W3
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A & H ENERGY ENGINEERING & SERVICES LIMITED, incorporated 2025, status Active.
Plumbing, heating and air-conditioning companies
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| 24/7 EMERGENCY ELECTRICIAN LONDON LTD | 43210 · electrical installation | 2020 | Active | W3 |
| AAEC LTD | 43210 · electrical installation | 2023 | Active | W3 |
| AAJ ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2023 | Active | W3 |
| AFTEC LTD | 43290 · other construction installation; 46720; 66120; 82990 | 2015 | Active - Proposal to Strike off | W3 |
| ALASKA STONE LTD | 43290 · other construction installation | 2019 | Active - Proposal to Strike off | W3 |
| ANDREA MOFFAT DEVELOPMENTS LTD | 43210 · electrical installation; 43999 | 2008 | Active | W3 |
| AQKH LTD | 43210 · electrical installation; 74100 | 2025 | Active | W3 |
| ART RAK CONSTRUCTION LTD | 43290 · other construction installation | 2025 | Active | W3 |
| ATAMI FINISHING SOLUTIONS LTD | 43210 · electrical installation; 43320; 43341; 43390 | 2025 | Active | W3 |
| AUTOMOTIVE FITTING LTD | 43210 · electrical installation; 45310 | 2021 | Active | W3 |
| BELLA SERVICES LTD | 43290 · other construction installation; 45112; 45200; 46170 | 2026 | Active | W3 |
| BESPOKE HOME BUILDER LTD | 43290 · other construction installation; 41202; 43390 | 2020 | Active | W3 |
| BEST ELECTRICAL SERVICES TODAY LTD | 43210 · electrical installation | 2012 | Active | W3 |
| BLACK DRAGON BUILDING LIMITED | 43290 · other construction installation; 43390; 43999 | 2018 | Active | W3 |
| BLUE ENERGY 24 LTD | 43290 · other construction installation | 2023 | Active - Proposal to Strike off | W3 |
| BRIGHTLINE ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2026 | Active | W3 |
| BRS MECHANICAL LTD | 43290 · other construction installation | 2025 | Active | W3 |
| BUILDWELL'S PROPERTIES LTD | 43290 · other construction installation; 41202; 43390; 43999 | 2022 | Active | W3 |
| CHISWICK CONSTRUCTION LIMITED | 43290 · other construction installation; 43310; 43330; 43390 | 2012 | Active | W3 |
| COMCLAD LTD | 43290 · other construction installation | 2021 | Active | W3 |
| CONNAUGHT PLACE LIMITED | 43290 · other construction installation; 43999 | 2013 | Active | W3 |
| COPPERSTONE CONSTRUCTION LTD | 43290 · other construction installation; 41202 | 2025 | Active | W3 |
| CREATIVE CONSTRUCTION (LONDON ) LTD | 43290 · other construction installation; 41202; 43390 | 2022 | Active | W3 |
| CROLEC LIMITED | 43210 · electrical installation | 2003 | Active | W3 |
| CUSTOMATIC LTD | 43210 · electrical installation | 2017 | Active | W3 |
| D Z ENGINEERING LIMITED | 43290 · other construction installation | 2024 | Active | W3 |
| DISCHARGER LTD | 43210 · electrical installation; 35140; 46520; 69201 | 2025 | Active | W3 |
| DM&EV CONSTRUCTIONS LTD | 43290 · other construction installation | 2023 | Active | W3 |
| ELAF CONSTRUCTION LIMITED | 43290 · other construction installation | 2023 | Active | W3 |
| ELECTEC SOLUTIONS LIMITED | 43210 · electrical installation | 2010 | Active | W3 |
| ELECTRIC & BUILD LTD | 43210 · electrical installation; 41201; 41202 | 2024 | Active | W3 |
| ELECTRICAL SERVICES EALING LTD | 43210 · electrical installation | 2024 | Active | W3 |
| ELECTRICAL SERVICES RP LTD | 43210 · electrical installation | 2025 | Active | W3 |
| ELECTRICIAN DOCTOR LTD | 43210 · electrical installation | 2021 | Active | W3 |
| EMERGENCY ELECTRICIAN CHISWICK LTD | 43210 · electrical installation | 2022 | Active - Proposal to Strike off | W3 |
| EMIT ZERO SOLUTIONS LTD | 43290 · other construction installation; 71129; 71200 | 2023 | Active | W3 |
| FASSI.CONSTRUCTION LIMITED | 43290 · other construction installation | 2022 | Active | W3 |
| FINDELECTRICIAN.CO.UK LTD | 43210 · electrical installation | 2023 | Active | W3 |
| FLASH CONSTRUCTIONS & DESIGN LTD | 43290 · other construction installation | 2019 | Active - Proposal to Strike off | W3 |
| GASELEC SERVICES LTD | 43210 · electrical installation; 43999 | 2026 | Active | W3 |
| GLAMPING & EVENT DESIGN LTD | 43290 · other construction installation; 43320; 96090 | 2024 | Active | W3 |
| GREAT BUILDS LTD | 43290 · other construction installation; 43390 | 2026 | Active | W3 |
| H S SANTANA LTD LTD | 43290 · other construction installation | 2025 | Active | W3 |
| HANLEY CONSTRUCTION LIMITED | 43290 · other construction installation | 2000 | Active | W3 |
| HAZELL ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2025 | Active | W3 |
| HOVIK JOINERY LIMITED | 43290 · other construction installation; 43390 | 2005 | Active | W3 |
| IFIX ELECTRICS LTD | 43210 · electrical installation; 43290 · other construction installation | 2020 | Active | W3 |
| INEED LTD | 43210 · electrical installation | 2025 | Active | W3 |
| INSONO LTD | 43290 · other construction installation | 2025 | Active | W3 |
| IRVING ELECTRICAL INTEGRATION LTD | 43210 · electrical installation | 2015 | Active | W3 |
| IVANT GROUP LTD | 43290 · other construction installation; 41201; 41202 | 2020 | Active | W3 |
| JDHD LTD | 43290 · other construction installation | 2021 | Active | W3 |
| JEROME SOFT STRIP SOLUTIONS LTD | 43290 · other construction installation | 2019 | Active - Proposal to Strike off | W3 |
| JOHNSTONE SERVICES LTD | 43210 · electrical installation; 30200; 33160 | 2019 | Active | W3 |
| LIXUS CONSTRUCTIONS LTD | 43290 · other construction installation; 41202 | 2024 | Active | W3 |
| LONDON ELECTRICAL INSTALLATIONS LTD | 43210 · electrical installation | 2016 | Active | W3 |
| LP LIFTS LTD | 43290 · other construction installation | 2023 | Active | W3 |
| LUCCA STONE LTD | 43290 · other construction installation; 23700 | 2019 | Active - Proposal to Strike off | W3 |
| LUXURIT LTD | 43290 · other construction installation; 43390 | 2023 | Active | W3 |
| M P ELECTRICAL CONTRACTORS (BERKSHIRE) LTD. | 43210 · electrical installation | 2008 | Active | W3 |
| MAGIC DRYWALL LTD | 43290 · other construction installation; 43341; 43390 | 2023 | Active | W3 |
| MAMMOTH ENERGY LIMITED | 43210 · electrical installation | 2025 | Active | W3 |
| MICK SABATINI LIMITED | 43210 · electrical installation | 2026 | Active | W3 |
| MODERN BUILDING DEVELOPMENT LIMITED | 43210 · electrical installation; 47540; 62020; 71129 | 2022 | Active | W3 |
| MR CHOO LTD | 43290 · other construction installation | 2023 | Active | W3 |
| NAJJAR & CO LTD | 43290 · other construction installation; 43341; 49420 | 2019 | Active - Proposal to Strike off | W3 |
| NEIL CORRY ELECTRICAL LTD | 43210 · electrical installation | 2022 | Active | W3 |
| NW7 ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2012 | Active | W3 |
| ODC DOOR & GLASS SYSTEMS LIMITED | 43290 · other construction installation; 43342; 46130 | 2008 | Active | W3 |
| OKANS ELECTRICAL ENGINEERING SERVICE LTD | 43210 · electrical installation | 2026 | Active | W3 |
| OSKAR ELECTRICAL & ELECTRONICAL LTD | 43210 · electrical installation; 43290 · other construction installation; 96090 | 2020 | Active | W3 |
| PHOEBUS APOLLO LTD | 43210 · electrical installation; 74100 | 2022 | Active | W3 |
| POWER UP ELECTRICAL LIMITED | 43210 · electrical installation | 2013 | Active | W3 |
| PRO INTEGRATION LTD | 43290 · other construction installation | 2026 | Active | W3 |
| PWA ALARM SYSTEMS LTD | 43290 · other construction installation | 2023 | Active | W3 |
| REGALSTONE CONSTRUCTION LTD | 43290 · other construction installation; 41201; 41202 | 2025 | Active - Proposal to Strike off | W3 |
| RENOVATECH LTD | 43210 · electrical installation; 43390; 80200 | 2026 | Active | W3 |
| RG1 ELECTRICAL LTD | 43210 · electrical installation | 2014 | Active | W3 |
| RPS INSTALLATIONS LTD | 43210 · electrical installation | 2023 | Active | W3 |
| RVIC SERVICES LIMITED | 43210 · electrical installation; 84250 | 2025 | Active | W3 |
| S&A LONDON ELECTRIC LIMITED | 43210 · electrical installation | 2017 | Active | W3 |
| SEFA ELECTRICAL SERVICES LTD | 43210 · electrical installation; 33140 | 2025 | Active | W3 |
| SENSETECH SOLAR LIMITED | 43290 · other construction installation | 2023 | Active | W3 |
| SHAW PRODUCTION SERVICES LTD | 43210 · electrical installation; 59111 | 2019 | Active | W3 |
| SMARTPRO HOMES LTD | 43290 · other construction installation | 2024 | Active | W3 |
| SOLAREVOLVEUK LTD | 43210 · electrical installation | 2025 | Active - Proposal to Strike off | W3 |
| SPARK RITE ELECTRICAL CONTRACTORS LTD | 43210 · electrical installation | 2021 | Active | W3 |
| SPARKSPEEDO LTD | 43210 · electrical installation; 49320 | 2025 | Active | W3 |
| ST BUILD & DESIGN LTD | 43290 · other construction installation; 45190; 47110; 56103 | 2021 | Active | W3 |
| SURREY CONSTRUCTION MANAGEMENT LTD | 43210 · electrical installation | 2017 | Active | W3 |
| SV ENERGY LTD | 43210 · electrical installation; 35140; 42220; 74901 | 2025 | Active | W3 |
| SVETDIM LTD | 43290 · other construction installation; 41201; 41202; 43390 | 2022 | Active | W3 |
| TAC CONTRACTORS LTD | 43290 · other construction installation; 41202; 43390 | 2020 | Active - Proposal to Strike off | W3 |
| TECNI-TEST LTD | 43210 · electrical installation | 2024 | Active | W3 |
| TERMINAL VELOCITY LIMITED | 43290 · other construction installation; 43120 | 2021 | Active - Proposal to Strike off | W3 |
| TITAN GR CONSTRUCTION LTD | 43290 · other construction installation; 43390 | 2026 | Active | W3 |
| TOMS PLASTERING LTD | 43290 · other construction installation; 43310; 43330 | 2017 | Active | W3 |
| TWYFORD PROPERTY MANAGEMENT SERVICES LTD | 43210 · electrical installation; 98000 | 2019 | Active | W3 |
| USALL SOLAR LTD | 43290 · other construction installation | 2023 | Active - Proposal to Strike off | W3 |
| VF CONSTRUCTION INSTALLATION LIMITED | 43290 · other construction installation; 46390 | 2025 | Active | W3 |
| VISUAL SYSTEMS SALES LIMITED | 43210 · electrical installation; 33140; 33190; 33200 | 1997 | Active | W3 |
| VOITEX ELECTRICAL LTD | 43210 · electrical installation | 2017 | Active | W3 |
| W8 PLANNING LTD | 43290 · other construction installation; 41100 | 2018 | Active | W3 |
| WEBLUX LTD | 43290 · other construction installation; 43390; 62020; 81100 | 2013 | Active | W3 |
| WEDO ELECTRICS LTD | 43210 · electrical installation | 2017 | Active | W3 |
| WEST LONDON ELECTRICAL CONTRACTOR SERVICES LTD. | 43210 · electrical installation | 2022 | Active | W3 |
What homes around W3 need
In W3 last summer (2026) there were ≈12 nights that stayed above 18 °C — 8 times the 1991–2020 average of 1.6 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
18% of sampled postcodes in W3 sit in a conservation area (on-record, 1,158 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 W3, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in W3, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in W3, with that district's hot nights and planning rule.