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EC3M: plumbing, heating and air-conditioning companies in London
EC3M (London) has 4 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, EC3M had ≈10 nights above 18 °C in 2026 (5 times the 1991–2020 average of 1.9).
EC3M
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ADDEO LTD, incorporated 2026, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| ADDEO LTD | 2026 | Active | EC3M |
| PJ LYONS LIMITED | 2003 | Active | EC3M |
| RISE BUILDING SERVICES LTD | 2019 | Active | EC3M |
| TILBURY DOUGLAS ENGINEERING LIMITED | 1995 | Active | EC3M |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| ABODE SERVICES (ESSEX) LIMITED | 43290 · other construction installation | 2009 | Active | EC3M |
| ATRATO ROOFTOP SOLAR 1 LIMITED | 43210 · electrical installation | 2021 | Active | EC3M |
| BADMORE LTD | 43290 · other construction installation | 2020 | Active | EC3M |
| BCL GWYNT LIMITED | 43210 · electrical installation; 42990 | 2011 | Active | EC3M |
| CAPITAL ROOFING & BUILDING SERVICES LIMITED | 43290 · other construction installation; 43910 | 2011 | Active | EC3M |
| DETAIL D LIMITED | 43290 · other construction installation; 41201; 41202 | 2019 | Active | EC3M |
| FORE RENOVATIONS LTD | 43290 · other construction installation | 2023 | Active | EC3M |
| FREE SOLAR (STAGE 2) LIMITED | 43210 · electrical installation | 2011 | Active | EC3M |
| GES SOLAR2 LIMITED | 43290 · other construction installation; 35110 | 2015 | Active | EC3M |
| GES SOLAR3 LIMITED | 43290 · other construction installation; 35110 | 2015 | Active | EC3M |
| HYLTON PLANTATION SOLAR FARM LIMITED | 43210 · electrical installation | 2021 | Active | EC3M |
| LIBIBEADS LTD | 43290 · other construction installation; 32120 | 2024 | Active | EC3M |
| NCH SOLAR1 LIMITED | 43290 · other construction installation; 35110 | 2014 | Active | EC3M |
| PARAGON MANAGEMENT UK LIMITED | 43290 · other construction installation | 2005 | Active | EC3M |
| RAMPAUL ELECTRICAL LIMITED | 43210 · electrical installation; 33140 | 2015 | Active | EC3M |
| RENEWABLE CLEAN ENERGY LIMITED | 43210 · electrical installation | 2010 | Active | EC3M |
What homes around EC3M need
In EC3M 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).
38% of sampled postcodes in EC3M sit in a conservation area (on-record, 79 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 EC3M, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in EC3M, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in EC3M, with that district's hot nights and planning rule.