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EC4N: plumbing, heating and air-conditioning companies in London
EC4N (London) has 5 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 16 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, EC4N had ≈10 nights above 18 °C in 2026 (5 times the 1991–2020 average of 1.9).
EC4N
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BORDANZA LIMITED, incorporated 2018, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| BORDANZA LIMITED | 2018 | Active | EC4N |
| COSN SERVICE LIMITED | 2025 | Active | EC4N |
| ELECGAS HEATING AND ELECTRICAL LTD | 2018 | Active - Proposal to Strike off | EC4N |
| KLM HEATING LTD | 2014 | Active | EC4N |
| LONDON AC LIMITED | 2016 | Active | EC4N |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| A.I.D. FITTERS LIMITED | 43290 · other construction installation | 2010 | Active | EC4N |
| DHIRAJ GROUP DEVELOPMENTS LIMITED | 43290 · other construction installation; 41100; 41202; 43390 | 2026 | Active | EC4N |
| DOBLER UK LIMITED | 43290 · other construction installation; 25120 | 2012 | Active | EC4N |
| FIRENSO LIMITED | 43210 · electrical installation | 2014 | Liquidation | EC4N |
| FIXXO LONDON LTD | 43290 · other construction installation; 41202 | 2023 | Active | EC4N |
| G&S CORPORATION LTD | 43290 · other construction installation; 43390; 81299; 81300 | 2017 | Active - Proposal to Strike off | EC4N |
| I & T MAINTENANCE LTD | 43210 · electrical installation; 41202 | 2016 | Active | EC4N |
| IMMERSIVE INTEGRATION LIMITED | 43210 · electrical installation; 43999; 62090; 74100 | 2026 | Active | EC4N |
| LEGACY PARTNERSHIP CONTRACTORS LTD | 43210 · electrical installation | 2011 | Active - Proposal to Strike off | EC4N |
| R Z SILVA CONSTRUCTION LTD | 43290 · other construction installation | 2018 | Active | EC4N |
| RBE ELECTRICAL SOLUTIONS LTD | 43210 · electrical installation; 35140 | 2023 | Active | EC4N |
| ROMAN ELECTRICAL LTD | 43210 · electrical installation; 41201; 41202 | 2010 | Active | EC4N |
| SPL CONSTRUCT LIMITED | 43210 · electrical installation; 43320; 43330; 43341 | 2004 | Active | EC4N |
| TSI INTERNATIONAL UK, LTD | 43210 · electrical installation; 62020; 62090; 80200 | 2026 | Active | EC4N |
| WORLDFIBER TELECOMMUNICATION LTD | 43210 · electrical installation; 61900 | 2018 | Active | EC4N |
| ZAUNER MISSION CRITICAL LTD | 43290 · other construction installation | 2021 | Active | EC4N |
What homes around EC4N need
In EC4N last summer (2026) there were ≈10 nights that stayed above 18 °C — 5 times the 1991–2020 average of 1.9 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
65% of sampled postcodes in EC4N sit in a conservation area (on-record, 68 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 EC4N, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in EC4N, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in EC4N, with that district's hot nights and planning rule.