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NW4: plumbing, heating and air-conditioning companies in London
NW4 (London) has 47 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 70 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, NW4 had ≈12 nights above 18 °C in 2026 (8 times the 1991–2020 average of 1.6).
NW4
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ACTIVAIR LTD, incorporated 2009, status Active.
Plumbing, heating and air-conditioning companies
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| ABG ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2023 | Active | NW4 |
| ADG NETWORKS LTD | 43290 · other construction installation; 61100; 61900 | 2019 | Active | NW4 |
| ASNT INTERIORS LIMITED | 43290 · other construction installation; 43390 | 2024 | Active | NW4 |
| BINGHATTI GROUP LIMITED | 43290 · other construction installation; 41100; 41202 | 2025 | Active | NW4 |
| BLUE & GOLD LTD | 43210 · electrical installation | 2022 | Active | NW4 |
| BLUE TREE BUILD LTD | 43290 · other construction installation | 2016 | Active | NW4 |
| C&A HOUSE MAINTENANCE LTD | 43210 · electrical installation; 16230; 43390 | 2021 | Active | NW4 |
| CABLE WEB LTD | 43210 · electrical installation | 2025 | Active | NW4 |
| CC WINTERS & CO LTD | 43290 · other construction installation | 2018 | Active - Proposal to Strike off | NW4 |
| CJB ELECTRICAL SERVICES LIMITED | 43210 · electrical installation | 2015 | Active | NW4 |
| CLIQUE LIVING LTD | 43290 · other construction installation; 43999; 68320; 71111 | 2019 | Active | NW4 |
| COMPLETE HOMES (MAINTENANCE) LIMITED | 43290 · other construction installation | 2009 | Active | NW4 |
| CRENAGH CONSTRUCTION LIMITED | 43290 · other construction installation; 41100 | 2012 | Liquidation | NW4 |
| CRUX SERVICES LTD | 43210 · electrical installation | 2017 | Active | NW4 |
| CURRENTCONNECT LTD | 43210 · electrical installation | 2025 | Active | NW4 |
| CYCLOPS ELECTRICAL LTD | 43210 · electrical installation | 2017 | Active | NW4 |
| DMYTRO KORLOTYAN LIMITED | 43290 · other construction installation | 2019 | Active - Proposal to Strike off | NW4 |
| E RECI ELECTRICAL LTD | 43210 · electrical installation | 2008 | Active | NW4 |
| ENERGY PERFORMANCE INITIATIVES LTD | 43290 · other construction installation | 2024 | Active | NW4 |
| ENTERPRISE MAINTENANCE LTD | 43290 · other construction installation | 2026 | Active | NW4 |
| FADE LIGHTING LTD | 43210 · electrical installation | 2014 | Active | NW4 |
| FERROMONT UK LTD | 43210 · electrical installation | 2009 | Active | NW4 |
| FUSE SPARKS LTD | 43210 · electrical installation; 41202; 62090 | 2026 | Active | NW4 |
| G ELECTRICS LTD | 43210 · electrical installation | 2019 | Active - Proposal to Strike off | NW4 |
| GAV RAILWAY LIMITED | 43290 · other construction installation | 2016 | Active | NW4 |
| GBC HOUSE LIMITED | 43210 · electrical installation; 16230; 43341; 43390 | 2018 | Active | NW4 |
| GET IT DELIVERED LTD | 43290 · other construction installation; 41202 | 2020 | Active | NW4 |
| GRIGOBUILD LIMITED | 43290 · other construction installation; 41202; 43390 | 2018 | Active - Proposal to Strike off | NW4 |
| INVISIBLES CONSTRUCTION LIMITED | 43290 · other construction installation; 41201; 41202 | 2025 | Active | NW4 |
| JB ELECTRIX LTD | 43210 · electrical installation; 43999 | 2011 | Active | NW4 |
| JP CINELUX LTD | 43210 · electrical installation | 2023 | Active | NW4 |
| JS RUBBISH COLLECTION LTD | 43290 · other construction installation; 49420 | 2025 | Active | NW4 |
| KCF LONDON LTD | 43290 · other construction installation | 2018 | Active - Proposal to Strike off | NW4 |
| KOLB REFURB & CONSTRUCTION LIMITED | 43290 · other construction installation; 41100; 43390; 81300 | 2021 | Active | NW4 |
| KP LIGHTING LTD | 43210 · electrical installation | 2021 | Active | NW4 |
| KRAKRA ELECTRICAL LTD. | 43210 · electrical installation | 2010 | Active | NW4 |
| LA LUNE LIGHTING LTD | 43210 · electrical installation | 2013 | Active | NW4 |
| LAVA ELECTRICAL LTD | 43210 · electrical installation; 43290 · other construction installation | 2023 | Active | NW4 |
| LEWIS ELECTRICS & BUILDING SERVICES LTD | 43210 · electrical installation; 43390 | 2014 | Active | NW4 |
| LPC INTERIORS LIMITED | 43290 · other construction installation | 2026 | Active | NW4 |
| LUKAR ELECTRICS LTD | 43210 · electrical installation | 2020 | Active | NW4 |
| M LOCK LTD | 43290 · other construction installation | 2024 | Active - Proposal to Strike off | NW4 |
| MDY CONSTRUCTION LTD | 43290 · other construction installation | 2024 | Active | NW4 |
| MGA FIRE PROTECTION LTD | 43290 · other construction installation; 41201; 41202; 43999 | 2018 | Active - Proposal to Strike off | NW4 |
| MIKE MAINTENANCE SERVICES LTD | 43290 · other construction installation; 41202; 43310 | 2019 | Active - Proposal to Strike off | NW4 |
| MLD ELECTRICAL LTD | 43210 · electrical installation | 2023 | Active | NW4 |
| MR PROFILE UK LIMITED | 43290 · other construction installation | 2025 | Active | NW4 |
| MR.UK ELECTRICAL LTD | 43210 · electrical installation | 2018 | Active | NW4 |
| N&B LTD | 43210 · electrical installation; 43330 | 2025 | Active | NW4 |
| NEW FLOORING PROCESS LIMITED | 43290 · other construction installation; 82990 | 2020 | Active | NW4 |
| NEW SOUTH LTD | 43210 · electrical installation; 43290 · other construction installation | 2010 | Active | NW4 |
| NOVAISOLUTIONS LTD | 43210 · electrical installation; 42220; 43999; 45112 | 2026 | Active | NW4 |
| NVM ENERGY NETWORKS LTD | 43290 · other construction installation; 42220 | 2025 | Active | NW4 |
| NXT STP LTD | 43290 · other construction installation; 68209; 68320; 73110 | 2020 | Active | NW4 |
| PHASE CONTRACTORS INSTALLATION LIMITED | 43210 · electrical installation | 2023 | Active | NW4 |
| PHASE CONTRACTORS LIMITED | 43210 · electrical installation | 2019 | Active - Proposal to Strike off | NW4 |
| PHASEAPP LIMITED | 43210 · electrical installation | 2020 | Active - Proposal to Strike off | NW4 |
| PIXEL CONSTRUCTION LTD | 43290 · other construction installation; 41202 | 2019 | Active | NW4 |
| R T BROOKS LTD | 43290 · other construction installation | 2012 | Active - Proposal to Strike off | NW4 |
| RADKON LTD | 43210 · electrical installation; 33140 | 2025 | Active | NW4 |
| ROTOR IP LTD | 43210 · electrical installation; 27200; 33140; 42220 | 2025 | Active | NW4 |
| RYAN ROOFING GROUP LTD | 43290 · other construction installation | 2025 | Active | NW4 |
| SAFESTART LTD | 43210 · electrical installation | 2004 | Active | NW4 |
| SENHOR ELECTRICAL LIMITED | 43210 · electrical installation; 43290 · other construction installation | 2018 | Active | NW4 |
| SPENCER TECH LTD | 43210 · electrical installation | 2019 | Active | NW4 |
| STRAND ELECTRICAL LTD | 43210 · electrical installation | 2013 | Active - Proposal to Strike off | NW4 |
| SYNCHRONISED SECURITY SYSTEMS LIMITED | 43210 · electrical installation | 2007 | Active | NW4 |
| TRIPLE A LIGHTING LTD | 43210 · electrical installation | 2021 | Active | NW4 |
| VOLTIKA ELECTRICAL ENGINEERING LTD | 43210 · electrical installation; 33140; 33200; 71200 | 2025 | Active | NW4 |
| WDW DANTE LTD | 43210 · electrical installation; 41201; 49390 | 2020 | Active | NW4 |
What homes around NW4 need
In NW4 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).
1% of sampled postcodes in NW4 sit in a conservation area (on-record, 757 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 NW4, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in NW4, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in NW4, with that district's hot nights and planning rule.