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EC3R: plumbing, heating and air-conditioning companies in London
EC3R (London) has 2 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 4 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, EC3R had ≈10 nights above 18 °C in 2026 (5 times the 1991–2020 average of 1.9).
EC3R
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CODDAN REFURBISHMENT AND RENOVATION CONTRACTORS LTD, incorporated 2005, status Active - Proposal to Strike off.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| CODDAN REFURBISHMENT AND RENOVATION CONTRACTORS LTD | 2005 | Active - Proposal to Strike off | EC3R |
| NG MAINTENANCE SERVICES LTD | 2023 | Active | EC3R |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| ARZ CONSULTANCY LTD | 43290 · other construction installation; 41201; 41202; 70229 | 2022 | Active | EC3R |
| CDA ROBOTICS AND INDUSTRIAL DEVELOPMENT LTD | 43210 · electrical installation; 33190; 62012; 62020 | 2023 | Active | EC3R |
| ELETTROMAR LTD | 43210 · electrical installation; 43290 · other construction installation; 33200; 71121 | 2022 | Active | EC3R |
| WALL&WALL UK LTD | 43290 · other construction installation; 71129; 96090 | 2020 | Active | EC3R |
What homes around EC3R need
In EC3R 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).
24% of sampled postcodes in EC3R sit in a conservation area (on-record, 78 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 EC3R, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in EC3R, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in EC3R, with that district's hot nights and planning rule.