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N20: plumbing, heating and air-conditioning companies in London
N20 (London) has 21 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 45 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, N20 had ≈11 nights above 18 °C in 2026 (7 times the 1991–2020 average of 1.5).
N20
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777 PLUMBING LIMITED, incorporated 2011, status Active.
Plumbing, heating and air-conditioning companies
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| A & N DRYLINING LTD | 43290 · other construction installation | 2014 | Active | N20 |
| ANODE ELECTRICAL LIMITED | 43210 · electrical installation | 2018 | Active | N20 |
| AO PROPERTY MAINTENANCE LTD | 43210 · electrical installation; 33140; 46740 | 2019 | Active | N20 |
| APEX LONDON CONSTRUCTION LTD | 43210 · electrical installation; 41202 | 2026 | Active | N20 |
| ARTEL CONSTRUCTION SOLUTIONS LIMITED | 43290 · other construction installation; 41201; 41202 | 2021 | Active | N20 |
| ARTEL ELECTRIC LIMITED | 43210 · electrical installation; 43290 · other construction installation; 42220; 96090 | 2022 | Active | N20 |
| ARTEL ENERGY LIMITED | 43210 · electrical installation; 43290 · other construction installation; 42220; 96090 | 2022 | Active | N20 |
| ARTEL SOLAR LIMITED | 43210 · electrical installation; 43290 · other construction installation; 42220; 96090 | 2022 | Active | N20 |
| AVENUE ROAD INVESTMENTS LIMITED | 43290 · other construction installation; 43390; 43999; 68320 | 2019 | Active | N20 |
| CROWN TOWER CONSTRUCTION LTD | 43290 · other construction installation | 2025 | Active | N20 |
| DENCOM ELECTRONICS LTD | 43210 · electrical installation | 2023 | Active | N20 |
| EC INSTALLATIONS LTD | 43210 · electrical installation | 2022 | Active | N20 |
| EK ELECTRICAL SERVICES LIMITED | 43210 · electrical installation | 2022 | Active | N20 |
| ELFIX ELECTRICAL LTD | 43210 · electrical installation | 2017 | Active | N20 |
| ENEO ELECTRICAL CONTRACTORS LTD | 43290 · other construction installation; 74909 | 2018 | Active | N20 |
| EVERON SERVICES LIMITED | 43290 · other construction installation | 2026 | Active | N20 |
| F.J BUILDERS LTD | 43290 · other construction installation; 43390 | 2018 | Active | N20 |
| FIXSAT LTD | 43290 · other construction installation; 61100; 61200; 61300 | 2021 | Active | N20 |
| G & S PROPERTY MAINTENANCE LIMITED | 43290 · other construction installation | 2014 | Active | N20 |
| GARDE LIMITED | 43290 · other construction installation | 1997 | Active | N20 |
| GREEN VALLEY PARTNERS LTD | 43210 · electrical installation | 2020 | Active | N20 |
| HASKIR CONSTRUCTIONS LIMITED | 43290 · other construction installation | 2017 | Active | N20 |
| INTERIOR 33 LTD | 43290 · other construction installation; 43120; 43390 | 2020 | Liquidation | N20 |
| KABAKU GENERAL SERVICES LTD | 43210 · electrical installation; 41100; 43390; 68310 | 2017 | Active | N20 |
| KINGSMERE KITCHENS AND INTERIORS LTD | 43290 · other construction installation | 2018 | Liquidation | N20 |
| KP + BUILDERS LTD | 43290 · other construction installation; 43999 | 2023 | Active | N20 |
| LUMIX SAFE ELECTRICAL LTD | 43210 · electrical installation; 33140; 42220; 47540 | 2026 | Active | N20 |
| LUXE REFURBS LIMITED | 43290 · other construction installation | 2019 | Liquidation | N20 |
| M A BORGES ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2016 | Active | N20 |
| N20 ELECTRICAL LTD | 43210 · electrical installation | 2023 | Active | N20 |
| NEWMATIC ELEVATORS LIMITED | 43290 · other construction installation; 28220 | 2007 | Active | N20 |
| NORTH 20 LIMITED | 43290 · other construction installation | 2022 | Active | N20 |
| NOVASEVEN GROUP LTD | 43290 · other construction installation; 41100; 43999 | 2021 | Active | N20 |
| PARS CONSTRUCTION MAZ LTD | 43290 · other construction installation | 2024 | Active | N20 |
| RENATO ENZO BUILDING SERVICES LIMITED | 43210 · electrical installation; 43390; 43999 | 2005 | Active | N20 |
| RITESTEP LIMITED | 43210 · electrical installation; 43120 | 2020 | Active | N20 |
| SECURIDOR TOTAL SECURITY LIMITED | 43210 · electrical installation | 2003 | Active | N20 |
| SMART GATE TRADING LTD | 43210 · electrical installation; 43999 | 2015 | Active | N20 |
| STRAUSS ELECTRICAL LIMITED | 43210 · electrical installation | 2013 | Active - Proposal to Strike off | N20 |
| TJA ELECTRICAL LTD | 43210 · electrical installation | 2019 | Active - Proposal to Strike off | N20 |
| TRUEFIX ELECTRICAL LTD | 43210 · electrical installation | 2026 | Active | N20 |
| TUDOR ELECTRICS LIMITED | 43210 · electrical installation | 2018 | Active | N20 |
| WIKTOR ELECTRICS LTD | 43210 · electrical installation | 2018 | Active | N20 |
| WILDMAN SECURITY SOLUTIONS LIMITED | 43210 · electrical installation | 2018 | Active | N20 |
| WINDREW LTD | 43290 · other construction installation | 2011 | Active | N20 |
What homes around N20 need
In N20 last summer (2026) there were ≈11 nights that stayed above 18 °C — 7 times the 1991–2020 average of 1.5 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
11% of sampled postcodes in N20 sit in a conservation area (on-record, 532 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 N20, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in N20, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in N20, with that district's hot nights and planning rule.