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N12: plumbing, heating and air-conditioning companies in London
N12 (London) has 61 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 118 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, N12 had ≈12 nights above 18 °C in 2026 (8 times the 1991–2020 average of 1.6).
N12
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A M PLUMBING & HEATING LTD, incorporated 2017, status Active.
Plumbing, heating and air-conditioning companies
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| AB CONTRACTS & DESIGNS LIMITED | 43290 · other construction installation; 43999 | 2026 | Active | N12 |
| AB ELECTRICAL LONDON LTD | 43210 · electrical installation | 2022 | Active | N12 |
| AGL ENVIRO LTD | 43210 · electrical installation; 41100; 41202 | 2020 | Active | N12 |
| APJ ELECTRICAL CONTRACTORS LIMITED | 43210 · electrical installation | 2006 | Active | N12 |
| AROOT LTD | 43290 · other construction installation; 41201; 41202; 42990 | 2024 | Active | N12 |
| AS PLUMBING SOLUTIONS LTD | 43290 · other construction installation | 2016 | Active | N12 |
| ASSET FACILITIES SERVICES LIMITED | 43290 · other construction installation; 81100; 96090; 98000 | 2021 | Active | N12 |
| AT NOVA CONSTRUCTION LTD | 43290 · other construction installation; 43320 | 2016 | Active | N12 |
| BARNET CHURCH REWIRE LTD | 43210 · electrical installation | 2026 | Active | N12 |
| BATHROOM GOALS LTD | 43290 · other construction installation | 2021 | Active | N12 |
| BOWES ELECTRICAL LTD. | 43210 · electrical installation | 2015 | Active | N12 |
| BRIGHTVIEW LANDSCAPING LTD | 43290 · other construction installation | 2020 | Active | N12 |
| BUTLERS ELECTRICAL CONTRACTOR SERVICES LTD | 43210 · electrical installation | 2022 | Active | N12 |
| CAZLEA LIMITED | 43210 · electrical installation; 45200 | 2014 | Active - Proposal to Strike off | N12 |
| CDA ENGINEERING LTD | 43210 · electrical installation; 33140 | 2026 | Active | N12 |
| CERTEL ENGINEERING SOLUTIONS LIMITED | 43210 · electrical installation | 2019 | Active | N12 |
| COSMO AIRCON & VENTILATION LTD | 43210 · electrical installation | 2025 | Active | N12 |
| CR FENCING AND LANDSCAPING LTD | 43290 · other construction installation; 81300 | 2025 | Active | N12 |
| CROSSWAYS CONTRACTING LIMITED | 43290 · other construction installation | 2018 | Active - Proposal to Strike off | N12 |
| DB BESPOKE PROPERTY SERVICES LIMITED | 43290 · other construction installation; 41202 | 2025 | Active | N12 |
| DC UTILITIES (ENFIELD) LIMITED | 43210 · electrical installation | 2018 | Active | N12 |
| DELLA CAMERA UK LTD | 43290 · other construction installation; 16230; 31010; 43320 | 2025 | Active | N12 |
| DOWLETT CONSTRUCTION LIMITED | 43290 · other construction installation | 2012 | Liquidation | N12 |
| DR FORMWORK (UK) LIMITED | 43290 · other construction installation | 2012 | Active | N12 |
| DR STEEL WORK LIMITED | 43290 · other construction installation; 43999 | 2023 | Active | N12 |
| DR. SPARKS LIMITED | 43210 · electrical installation | 2005 | Active | N12 |
| DRYLINING & CONSTRUCTION LTD | 43290 · other construction installation | 2019 | Active | N12 |
| DS MAINTENANCE LONDON LIMITED | 43290 · other construction installation | 2022 | Active | N12 |
| DYNAMIC PROSPECT INTERNATIONAL LIMITED | 43290 · other construction installation; 82990; 96090; 98000 | 2021 | Active | N12 |
| EAGLEVIEW SECURITY SOLUTION LTD | 43290 · other construction installation; 25120; 71129 | 2022 | Active | N12 |
| EFFECTIVE ELECTRICAL LTD | 43210 · electrical installation | 2024 | Active | N12 |
| EMKO ELECTRICAL LIMITED | 43210 · electrical installation | 2015 | Active | N12 |
| ENFIELD CONSTRUCTION COMPANY LIMITED | 43290 · other construction installation; 41202; 43390 | 1998 | Liquidation | N12 |
| ENT TECH SYSTEMS LTD | 43210 · electrical installation | 2018 | Active | N12 |
| F AND E PROJECTS LIMITED | 43210 · electrical installation | 2018 | Liquidation | N12 |
| F.I.B.R. LTD | 43290 · other construction installation; 43320; 46150; 96090 | 2017 | Active | N12 |
| F.I.HD LIMITED | 43290 · other construction installation; 31090; 43320; 43999 | 2017 | Active | N12 |
| FACADE & CLADDING SOLUTIONS LTD | 43290 · other construction installation | 2015 | Liquidation | N12 |
| FOCUS ELECTRICAL SOLUTIONS LIMITED | 43210 · electrical installation | 2015 | Active | N12 |
| FT ELECTRICAL CONTRACTORS LIMITED | 43210 · electrical installation | 2011 | Active | N12 |
| GC ELECTRICAL & MAINTENANCE LTD | 43210 · electrical installation | 2024 | Active | N12 |
| GDG ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2015 | Active | N12 |
| GKS PROPERTY SOLUTIONS LIMITED | 43210 · electrical installation | 2023 | Active | N12 |
| GOLDARROW ENTERPRISES LIMITED | 43210 · electrical installation | 2005 | Active | N12 |
| H & D REPAIR APPLIANCE LTD | 43210 · electrical installation; 95220 | 2023 | Active | N12 |
| HAEL CONSTRUCTION LTD | 43290 · other construction installation; 43341; 43390 | 2020 | Active | N12 |
| HIGHEND STONE WORKS LTD | 43290 · other construction installation; 43999 | 2020 | Active | N12 |
| HOME RENOVA LTD | 43210 · electrical installation; 43999 | 2018 | Active - Proposal to Strike off | N12 |
| I&E ELECTRICAL INSTALLATIONS LTD | 43210 · electrical installation; 43290 · other construction installation | 2022 | Active | N12 |
| I&K CONSTRUCTION LTD | 43290 · other construction installation | 2019 | Active | N12 |
| INTEGRATED FACILITIES LTD | 43290 · other construction installation; 43999 | 2020 | Active | N12 |
| J M WALSH SERVICES LTD | 43290 · other construction installation | 2016 | Active - Proposal to Strike off | N12 |
| JBVLASCEANU LTD | 43290 · other construction installation | 2021 | Active | N12 |
| JF SANDER LTD | 43290 · other construction installation; 41100; 43320; 43390 | 2008 | Active | N12 |
| JUST A PHASE LIMITED | 43210 · electrical installation | 2018 | Active | N12 |
| KALNAS HOLDINGS LTD | 43290 · other construction installation; 43390; 47781; 47910 | 2026 | Active | N12 |
| LINDENS ELECTRICAL LTD | 43210 · electrical installation | 2025 | Active | N12 |
| LMB ELECTRICAL CONTRACTORS LIMITED | 43210 · electrical installation | 2017 | Active | N12 |
| LONDON CONSTRUCTION & WASTE MANAGEMENT LTD | 43290 · other construction installation; 41100; 43120 | 2022 | Active | N12 |
| M DE SOUZA LTD | 43210 · electrical installation | 2014 | Active | N12 |
| MATTHEW BARON CONSTRUCTION LIMITED | 43290 · other construction installation | 2003 | Active | N12 |
| MIRZO LIMITED | 43210 · electrical installation; 85530 | 2010 | Active | N12 |
| MMP BUILDING SERVICES LTD | 43290 · other construction installation; 43999 | 2018 | Active | N12 |
| MOYNE LONDON LIMITED | 43210 · electrical installation | 2001 | Active | N12 |
| NDM CONTRACTORS LTD | 43290 · other construction installation | 2021 | Active | N12 |
| NK ELECTRICAL LIMITED | 43210 · electrical installation | 2024 | Active | N12 |
| NM COMMERCIAL EQUIPMENT MAINTENANCE LTD | 43210 · electrical installation | 2020 | Active | N12 |
| OMELIA ELECTRICS LTD | 43210 · electrical installation | 2025 | Active | N12 |
| ONYX FIRE LTD | 43290 · other construction installation | 2021 | Active | N12 |
| PALMER MARTIN FLOORING CONTRACTORS LTD | 43290 · other construction installation | 2025 | Active | N12 |
| PICCADILLY CONSTRUCTION LIMITED | 43290 · other construction installation; 64203 | 2022 | Liquidation | N12 |
| POVITEC LIMITED | 43210 · electrical installation; 35140; 43120; 43999 | 2020 | Active | N12 |
| POWER ON ELECTRICIANS LTD | 43210 · electrical installation | 2023 | Active | N12 |
| POWER PROGRESS (EK) LIMITED | 43210 · electrical installation | 2022 | Active | N12 |
| POWERSAVE PROJECTS LIMITED | 43210 · electrical installation | 2015 | Active | N12 |
| PRECISION ELECTRICAL CONTRACTORS LTD | 43210 · electrical installation | 2019 | Active | N12 |
| PREMIUM ELECTRICAL LTD | 43210 · electrical installation | 2026 | Active | N12 |
| PROGETTO 2024 LTD | 43290 · other construction installation; 43999; 46150; 47599 | 2019 | Active | N12 |
| PURE GREEN TECHNOLOGIES LIMITED | 43210 · electrical installation; 43290 · other construction installation; 46740; 71122 | 2024 | Active | N12 |
| Q DESIGN & BUILD LTD | 43210 · electrical installation; 43999 | 2016 | Active | N12 |
| REL BUILDING SERVICES LIMITED | 43210 · electrical installation; 63110; 96090 | 2001 | Liquidation | N12 |
| RETROFIT AT HIGHT LIMITED | 43290 · other construction installation | 2025 | Active | N12 |
| RKP MAINTENANCE LTD | 43290 · other construction installation; 43390; 43999 | 2017 | Active - Proposal to Strike off | N12 |
| RMP CONSTRUCTION LTD | 43290 · other construction installation; 43390 | 2024 | Active | N12 |
| ROA ELECTRICAL LTD | 43210 · electrical installation | 2025 | Active | N12 |
| RUNNING WIRES LTD | 43210 · electrical installation | 2022 | Active | N12 |
| RZ GENERAL BUILDERS LTD | 43290 · other construction installation | 2020 | Active - Proposal to Strike off | N12 |
| S C PROPERTY MAINTENANCE LIMITED | 43290 · other construction installation | 2005 | Active | N12 |
| SAL PROJECT LTD | 43290 · other construction installation; 43999; 46150; 47599 | 2022 | Active | N12 |
| SAMUEL CONSTRUCTION(LONDON) LTD | 43290 · other construction installation | 2021 | Active | N12 |
| SBC ELECTRICIANS LTD | 43210 · electrical installation | 2016 | Active | N12 |
| SDS BUILD SERV LIMITED | 43290 · other construction installation; 43310; 43341; 43390 | 2007 | Liquidation | N12 |
| SEAKIN CONSTRUCTION LTD | 43290 · other construction installation | 2024 | Active | N12 |
| SGI BUILDING MANAGEMENT LTD | 43290 · other construction installation | 2022 | Active | N12 |
| SGI BUILDING SERVICES LTD | 43290 · other construction installation | 2021 | Active | N12 |
| SGI CONSTRUCTION LTD | 43290 · other construction installation | 2022 | Active | N12 |
| SGI CORPORATION LTD | 43290 · other construction installation | 2022 | Active | N12 |
| SGI MAINTENANCE SERVICES LTD | 43290 · other construction installation | 2021 | Active | N12 |
| SGI MEP LTD | 43290 · other construction installation | 2022 | Active | N12 |
| SGI WATFORD SERVICES LTD | 43290 · other construction installation | 2021 | Active | N12 |
| SIGNSTAR SOLUTIONS LIMITED | 43290 · other construction installation | 2011 | Active | N12 |
| SKT ELECTRICAL AUTOMATION LTD | 43210 · electrical installation | 2021 | Active | N12 |
| SMALL ELECTRICAL JOBS LTD | 43210 · electrical installation | 2018 | Active | N12 |
| SMART AV HUB LIMITED | 43210 · electrical installation | 2023 | Active | N12 |
| SO ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2015 | Active | N12 |
| SONI & SONS ELECTRICAL LTD | 43210 · electrical installation; 81300 | 2026 | Active | N12 |
| SPJ UK LIMITED | 43210 · electrical installation; 93290 | 2004 | Liquidation | N12 |
| STAR INSTALLATIONS (UK) LTD | 43290 · other construction installation | 2011 | Active | N12 |
| STR8 ELECTRICAL LTD | 43210 · electrical installation | 2023 | Active | N12 |
| SUPERIOR PLANS LIMITED | 43290 · other construction installation | 2019 | Active | N12 |
| SWINABBEY GROUP LIMITED | 43210 · electrical installation | 2015 | Active | N12 |
| TABBO LTD | 43210 · electrical installation; 43999; 74100 | 2023 | Active | N12 |
| TECHFINITY LONDON LTD | 43210 · electrical installation; 62020; 62090; 63110 | 2024 | Active | N12 |
| UNION BESPOKE LTD | 43290 · other construction installation; 31020; 31090; 43320 | 2017 | Liquidation | N12 |
| VIP FLOORING LIMITED | 43290 · other construction installation | 2024 | Active | N12 |
| VMK ELECTRICAL LTD | 43210 · electrical installation | 2018 | Active | N12 |
| WELLHEATING LTD | 43210 · electrical installation | 2012 | Active | N12 |
| ZEUS SERVICES AND MAINTENANCE LTD | 43210 · electrical installation; 33140; 71122 | 2024 | Active | N12 |
What homes around N12 need
In N12 last summer (2026) there were ≈12 nights that stayed above 18 °C — 8 times the 1991–2020 average of 1.6 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
0% of sampled postcodes in N12 sit in a conservation area (on-record, 698 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 N12, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in N12, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in N12, with that district's hot nights and planning rule.