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W12: plumbing, heating and air-conditioning companies in London
W12 (London) has 23 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 42 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, W12 had ≈12 nights above 18 °C in 2026 (8 times the 1991–2020 average of 1.6).
W12
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A X PARTNERS LTD, incorporated 2019, status Active.
Plumbing, heating and air-conditioning companies
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| A D SMITH CONSTRUCTION LIMITED | 43290 · other construction installation; 41202 | 2025 | Active | W12 |
| ALEPH CONSTRUCTION LTD | 43290 · other construction installation; 41100; 41202 | 2019 | Active - Proposal to Strike off | W12 |
| ALES STA VOLT SERVICES LIMITED | 43210 · electrical installation | 2025 | Active - Proposal to Strike off | W12 |
| AMI ELECTRICAL SOLUTIONS LIMITED | 43210 · electrical installation | 2023 | Active - Proposal to Strike off | W12 |
| AP SWITCHGEAR LIMITED | 43210 · electrical installation; 27120; 33140; 33200 | 2021 | Active | W12 |
| AQUAPLUS DECORATORS LTD | 43290 · other construction installation; 43341 | 2024 | Active | W12 |
| ARMANDO LTD | 43210 · electrical installation; 33130; 33200; 41201 | 2019 | Active | W12 |
| AURORA BEST CONSTRUCTION LTD | 43210 · electrical installation; 41201; 41202 | 2025 | Active | W12 |
| B.T.S. WOOD WORLD LTD | 43290 · other construction installation; 43320 | 2023 | Active | W12 |
| BRIGHTFITS ELECTRICAL LTD | 43210 · electrical installation | 2020 | Active | W12 |
| CROSS BORDERS TRADING LIMITED | 43210 · electrical installation; 41100 | 2018 | Active - Proposal to Strike off | W12 |
| DANIEL PAUL LTD | 43210 · electrical installation; 68310 | 2005 | Active | W12 |
| EZ CONTRACTORS LTD | 43290 · other construction installation; 43390 | 2018 | Active | W12 |
| FARRANT DESIGN LTD | 43290 · other construction installation; 74100 | 2024 | Active - Proposal to Strike off | W12 |
| FAULTLESS LIMITED | 43210 · electrical installation; 43390 | 2016 | Active | W12 |
| FJCONTROLS LTD | 43210 · electrical installation | 2022 | Active | W12 |
| GET ELECTRICAL CONTRACTORS LTD | 43210 · electrical installation; 43290 · other construction installation; 33140; 35110 | 2025 | Active - Proposal to Strike off | W12 |
| H&E ELECTRICIAN LTD | 43210 · electrical installation; 41201; 41202 | 2026 | Active | W12 |
| HARIR CONSTRUCTION LTD | 43290 · other construction installation; 41201; 41202; 42220 | 2026 | Active | W12 |
| HTC ELECTRICAL LTD | 43210 · electrical installation | 2022 | Active | W12 |
| JML BATHROOMS AND KITCHENS LTD | 43290 · other construction installation | 2024 | Active | W12 |
| KH CONTRACTING LTD | 43290 · other construction installation; 41201; 41202; 43390 | 2024 | Active - Proposal to Strike off | W12 |
| KINGDOM ENERGY LIMITED | 43210 · electrical installation; 42220; 74909 | 2019 | Active | W12 |
| KINGDOM POWERNET LIMITED | 43210 · electrical installation; 35140; 52219; 64304 | 2026 | Active | W12 |
| KINGFISHER ELECTRICAL SOLUTIONS LIMITED | 43210 · electrical installation | 2025 | Active | W12 |
| LIFTNET LTD | 43290 · other construction installation | 2025 | Active | W12 |
| LIGHTSMAN LTD | 43210 · electrical installation; 71129 | 2021 | Active | W12 |
| MAREK ELECTRICAL LTD | 43210 · electrical installation | 2023 | Active | W12 |
| MAYFAIR ELECTRICS GB LIMITED | 43210 · electrical installation; 41201; 41202 | 2023 | Active | W12 |
| NEE ELECTRICAL LTD | 43210 · electrical installation | 2022 | Active | W12 |
| P P K SYSTEMS LTD | 43210 · electrical installation; 43390 | 2011 | Active | W12 |
| PILGRIM ELECTRICS.ORG LIMITED | 43210 · electrical installation | 2019 | Active | W12 |
| QUBE INSTALLATIONS LTD | 43290 · other construction installation | 2019 | Active | W12 |
| RAILWAY SAFETY SOLUTIONS LIMITED | 43290 · other construction installation; 49420; 95220; 96090 | 2024 | Active | W12 |
| SF SERVICES LTD | 43210 · electrical installation | 2026 | Active | W12 |
| SLAVS LIFTS LTD | 43290 · other construction installation; 41202 | 2020 | Active | W12 |
| SVH SERVICES LTD | 43290 · other construction installation | 2022 | Active | W12 |
| SWITCH - ELECTRIC LIMITED | 43210 · electrical installation | 2008 | Active | W12 |
| TOLAND ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2013 | Active | W12 |
| TVC ELECTRICAL LIMITED | 43210 · electrical installation | 2026 | Active | W12 |
| WEST 12 ELECTRICAL LTD | 43210 · electrical installation | 2021 | Active | W12 |
| XL-PIXEL LIMITED | 43210 · electrical installation; 33140 | 2013 | Active | W12 |
What homes around W12 need
In W12 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).
37% of sampled postcodes in W12 sit in a conservation area (on-record, 815 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 W12, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in W12, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in W12, with that district's hot nights and planning rule.