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SE4: plumbing, heating and air-conditioning companies in London
SE4 (London) has 11 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 17 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, SE4 had ≈10 nights above 18 °C in 2026 (5 times the 1991–2020 average of 1.9).
SE4
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AJ PATRICK GAS ENGINEER AND PLUMBING LTD, incorporated 2020, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| AJ PATRICK GAS ENGINEER AND PLUMBING LTD | 2020 | Active | SE4 |
| CLIMATRIX LTD | 2020 | Active | SE4 |
| DUCTALES LTD | 2017 | Active - Proposal to Strike off | SE4 |
| ELYSIAN HOUSE LTD | 2023 | Active | SE4 |
| HELPING HANDS CONSTRUCTION LTD | 2025 | Active - Proposal to Strike off | SE4 |
| HGP SERVICES LTD | 2017 | Active | SE4 |
| HYDRO-POL LTD | 2025 | Active | SE4 |
| MORE HEATING SERVICES LIMITED | 2016 | Active | SE4 |
| PLUMBING THE HEIGHTS LIMITED | 2016 | Active | SE4 |
| PLUMBINGBYJO LIMITED | 2007 | Active | SE4 |
| YOUR HANDYMAN LTD | 2020 | Active - Proposal to Strike off | SE4 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| AJB ELECTRICAL LIMITED | 43210 · electrical installation | 2015 | Active | SE4 |
| BYNO TECH BUILDING SERVICES LTD | 43210 · electrical installation; 98000 | 2026 | Active | SE4 |
| CHAYKOV LTD | 43290 · other construction installation | 2022 | Active | SE4 |
| EAGLE 3 CONSTRUCTION LIMITED | 43290 · other construction installation | 2024 | Active | SE4 |
| EFFICIENT ENERGY PERFORMANCE CERTIFICATES LTD | 43290 · other construction installation; 43330; 43341; 71129 | 2018 | Active - Proposal to Strike off | SE4 |
| G.O.ROACH BUILDING SERVICES LIMITED | 43290 · other construction installation | 2024 | Active | SE4 |
| GFS GUARDIANFIRESOLUTIONS LTD | 43210 · electrical installation; 80200 | 2025 | Active | SE4 |
| INSPIRE CONSTRUCTION SOLUTION LTD | 43290 · other construction installation; 43390 | 2020 | Active | SE4 |
| KALISI LIMITED | 43290 · other construction installation; 41202; 43341 | 2023 | Active | SE4 |
| MANUKYAN LTD | 43290 · other construction installation | 2017 | Active - Proposal to Strike off | SE4 |
| MAPLE ELECTRICAL CONTRACTORS LTD. | 43210 · electrical installation | 2015 | Active - Proposal to Strike off | SE4 |
| MIRO STONE LIMITED | 43290 · other construction installation | 2018 | Active - Proposal to Strike off | SE4 |
| MY ODYSSEY LIMITED | 43290 · other construction installation; 16230 | 2024 | Active | SE4 |
| NINA LKA LTD | 43290 · other construction installation | 2023 | Active | SE4 |
| PSC LONDON LIMITED | 43290 · other construction installation | 2010 | Active | SE4 |
| SACS CONS LTD | 43290 · other construction installation; 42910 | 2025 | Active | SE4 |
| SETWO LIMITED | 43290 · other construction installation; 43999; 90030 | 2008 | Active | SE4 |
What homes around SE4 need
In SE4 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).
31% of sampled postcodes in SE4 sit in a conservation area (on-record, 464 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 SE4, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in SE4, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in SE4, with that district's hot nights and planning rule.