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W4: plumbing, heating and air-conditioning companies in London
W4 (London) has 27 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 38 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, W4 had ≈12 nights above 18 °C in 2026 (8 times the 1991–2020 average of 1.6).
W4
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4 SEASONS COMFORT HVAC LTD, incorporated 2023, status Active.
Plumbing, heating and air-conditioning companies
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| AGA INSTALLATIONS LIMITED | 43210 · electrical installation; 43290 · other construction installation; 33140 | 2017 | Active | W4 |
| BARNET ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2018 | Active | W4 |
| BEST DECOR LONDON LTD | 43290 · other construction installation; 41202; 43390; 81210 | 2020 | Active | W4 |
| BG SOLID CONSTRUCTION LTD | 43290 · other construction installation; 41100; 41201; 41202 | 2023 | Active | W4 |
| BRK GROUP LIMITED | 43290 · other construction installation | 2017 | Active - Proposal to Strike off | W4 |
| C&F BUILDING LTD | 43290 · other construction installation; 43320; 81300 | 2025 | Active | W4 |
| CHARNWELL CONTRACTORS LTD | 43290 · other construction installation; 41201; 41202; 43999 | 2025 | Active | W4 |
| CLEARSKYE LIMITED | 43210 · electrical installation | 2019 | Active - Proposal to Strike off | W4 |
| COMMUNICATION PROJECT SERVICES LIMITED | 43210 · electrical installation; 41100 | 1999 | Active | W4 |
| CONSTRACTION UK LTD | 43210 · electrical installation; 25110; 43342; 43390 | 2019 | Active | W4 |
| CTF MANAGEMENT LIMITED | 43290 · other construction installation; 68100; 68209 | 2014 | Active | W4 |
| D&C PROJECTS LTD | 43290 · other construction installation; 41201; 41202; 43390 | 2018 | Active - Proposal to Strike off | W4 |
| DCRE LTD | 43210 · electrical installation | 2025 | Active | W4 |
| DRIKE LTD | 43290 · other construction installation; 41100; 41201; 41202 | 2019 | Active | W4 |
| EALUM LTD | 43290 · other construction installation; 43390 | 2018 | Active | W4 |
| EMS CONTRACTORS LTD | 43210 · electrical installation | 2024 | Active | W4 |
| ESE-EUROSYSTEM ENGINEERING LTD | 43210 · electrical installation; 43999 | 2021 | Active | W4 |
| EU AMPERE LIMITED | 43210 · electrical installation | 2023 | Active | W4 |
| FAST INSTALLATIONS LTD | 43290 · other construction installation; 43342 | 2021 | Active | W4 |
| FAULTFREE ENGINEERING GROUP LIMITED | 43210 · electrical installation; 33140; 95220; 98000 | 2024 | Active | W4 |
| FEENEY CONSTRUCTION LTD | 43290 · other construction installation | 2015 | Active | W4 |
| FORCE CONSTRUCTION SERVICES LTD | 43290 · other construction installation | 2018 | Active | W4 |
| G RELIANCE LTD | 43290 · other construction installation; 41202; 43390 | 2017 | Active | W4 |
| HIGH BAR ELECTRIC LTD | 43210 · electrical installation | 2025 | Active | W4 |
| JOHN MAN LOCKSMITH LTD | 43290 · other construction installation | 2023 | Active | W4 |
| KINETIC PROJECTS LTD | 43210 · electrical installation | 2020 | Active | W4 |
| L. LEVTCHENKO ELECTRICAL LTD | 43210 · electrical installation | 2013 | Active | W4 |
| LIL ELECTRICAL LIMITED | 43210 · electrical installation | 2021 | Active | W4 |
| LONDON IN CONTROL LTD | 43210 · electrical installation; 41202 | 2012 | Active | W4 |
| MR ELECTRO LTD | 43210 · electrical installation | 2024 | Active | W4 |
| PROTON CONTRACTOR LTD | 43210 · electrical installation; 43390 | 2018 | Active | W4 |
| SES ELECTRICAL CONTRACTORS (UK) LTD | 43210 · electrical installation | 2010 | Active | W4 |
| SHAUN WALDIE LTD | 43210 · electrical installation; 74203; 96090 | 2022 | Active | W4 |
| SIGNATURE SPARKS LTD | 43210 · electrical installation | 2026 | Active | W4 |
| STARLING CONSTRUCTIONS LTD | 43290 · other construction installation; 41100; 41201; 41202 | 2018 | Active - Proposal to Strike off | W4 |
| STONE VISION LIMITED | 43290 · other construction installation | 2006 | Active | W4 |
| TIVOLI ELECTRICS LTD | 43210 · electrical installation | 2024 | Active | W4 |
| ZORIN ELECTRICAL SERVICES LIMITED | 43210 · electrical installation | 2016 | Active | W4 |
What homes around W4 need
In W4 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).
50% of sampled postcodes in W4 sit in a conservation area (on-record, 1,022 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 W4, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in W4, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in W4, with that district's hot nights and planning rule.