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EC1A: plumbing, heating and air-conditioning companies in London
EC1A (London) has 2 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 7 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, EC1A had ≈10 nights above 18 °C in 2026 (5 times the 1991–2020 average of 1.9).
EC1A
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PERKINS REFRIGERATION LIMITED, incorporated 1995, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| PERKINS REFRIGERATION LIMITED | 1995 | Active | EC1A |
| WINNO ENERGY LIMITED | 2024 | Active | EC1A |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| ATLAS DRYLINING LIMITED | 43290 · other construction installation | 2024 | Active | EC1A |
| CLIMATE ENERGY SOLUTIONS LIMITED | 43290 · other construction installation | 2009 | Active | EC1A |
| CONVERGINT TECHNOLOGIES UK, LIMITED | 43210 · electrical installation; 80200 | 1994 | Active | EC1A |
| LEVELS AV LTD | 43210 · electrical installation; 46431; 71122; 77291 | 2023 | Active | EC1A |
| RAIDEN CHARGING UK LTD | 43210 · electrical installation | 2022 | Active | EC1A |
| TECHIMP IMPIANTI UK LTD | 43210 · electrical installation; 33200; 82990 | 2025 | Active | EC1A |
| WALSALL PUBLIC LIGHTING LIMITED | 43210 · electrical installation; 41201; 64999 | 2001 | Active | EC1A |
What homes around EC1A need
In EC1A 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).
79% of sampled postcodes in EC1A sit in a conservation area (on-record, 165 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 EC1A, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in EC1A, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in EC1A, with that district's hot nights and planning rule.