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EC4A: plumbing, heating and air-conditioning companies in London
EC4A (London) has 8 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 12 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, EC4A had ≈10 nights above 18 °C in 2026 (5 times the 1991–2020 average of 1.9).
EC4A
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COMFORT CONTROLS (GROUP) LIMITED, incorporated 2018, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| COMFORT CONTROLS (GROUP) LIMITED | 2018 | Active | EC4A |
| COMFORT CONTROLS (MIDLANDS) LIMITED | 2016 | Active | EC4A |
| COMFORT CONTROLS (SERVICE) LIMITED | 2018 | Active | EC4A |
| COMFORT CONTROLS LTD. | 1998 | Active | EC4A |
| SARISA S1 LIMITED | 2024 | Active | EC4A |
| SOUTH FLOW PLUMBING & HEATING LIMITED | 2025 | Active | EC4A |
| SUNCHASER TECHNOLOGIES LTD | 2024 | Active | EC4A |
| THE POWER SYSTEM CONTRACTOR CO., LTD | 2024 | Active - Proposal to Strike off | EC4A |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| CHINT GLOBAL (UK) LIMITED | 43210 · electrical installation; 33200; 46499 | 2022 | Active | EC4A |
| CO2 CONTROLS LTD | 43210 · electrical installation | 2020 | Active | EC4A |
| CO2 CONTROLS SERVICE LTD | 43210 · electrical installation | 2022 | Active | EC4A |
| DIDGE ELECTRICAL & BUILDING SERVICES LTD | 43210 · electrical installation | 2026 | Active | EC4A |
| GEOFFREY OSBORNE LIMITED | 43290 · other construction installation; 41201; 42110 | 1966 | In Administration | EC4A |
| HERONGRANGE MANPOWER DIRECT LIMITED | 43290 · other construction installation | 2012 | Liquidation | EC4A |
| HERONGRANGE RECRUITMENT & TRAINING SOLUTIONS LIMITED | 43290 · other construction installation; 80100 | 2020 | Liquidation | EC4A |
| PJ INSTALLATIONS LTD | 43290 · other construction installation; 43320 | 2019 | Active | EC4A |
| SAFE & SOUND CONTROL SYSTEMS LTD | 43210 · electrical installation | 1991 | Active | EC4A |
| SOS ELECTRICS LIMITED | 43210 · electrical installation | 2019 | Active | EC4A |
| VERTIPORTS ENTERPRISE LTD | 43290 · other construction installation; 71112; 74901; 77351 | 2023 | Active | EC4A |
| WESTERN THERMAL LIMITED | 43290 · other construction installation | 1985 | Liquidation | EC4A |
What homes around EC4A need
In EC4A 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).
49% of sampled postcodes in EC4A sit in a conservation area (on-record, 110 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 EC4A, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in EC4A, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in EC4A, with that district's hot nights and planning rule.