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SE1: plumbing, heating and air-conditioning companies in London
SE1 (London) has 45 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 85 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, SE1 had ≈10 nights above 18 °C in 2026 (5 times the 1991–2020 average of 1.9).
SE1
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A. G. UTILITIES LIMITED, incorporated 2017, status Active.
Plumbing, heating and air-conditioning companies
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| 2MG PROPERTY (UK) LIMITED | 43290 · other construction installation | 2017 | Active | SE1 |
| ABSOLUTE INTEGRATION LTD | 43210 · electrical installation | 2022 | Active | SE1 |
| ADVANCED POWER DEVELOPMENTS LIMITED | 43210 · electrical installation | 1986 | Active | SE1 |
| AJP MATOS PINHEIRO LTD | 43290 · other construction installation; 41100; 42130; 42990 | 2021 | Active | SE1 |
| ALARM COMMUNICATION LIMITED | 43210 · electrical installation | 1984 | Active | SE1 |
| ANDHOUSE FIRE SOLUTIONS LTD | 43290 · other construction installation | 2019 | Active | SE1 |
| ARC POWER LTD | 43290 · other construction installation; 35110 | 2014 | Active | SE1 |
| ARC PRODUCTS & SERVICES LIMITED | 43210 · electrical installation; 46900 | 2004 | Active | SE1 |
| ARIA M&E LIMITED | 43210 · electrical installation; 43290 · other construction installation | 2020 | Active | SE1 |
| BESPOKE KITCHENS AND CONCRETE FURNITURE LTD | 43290 · other construction installation; 43310; 43341; 43390 | 2020 | Active | SE1 |
| BG BUILDERS LTD | 43290 · other construction installation | 2016 | Active | SE1 |
| BIG INFRASTRUCTURE GROUP LTD | 43290 · other construction installation | 2026 | Active | SE1 |
| BJ CRAFTSMEN GROUP LTD | 43290 · other construction installation | 2026 | Active | SE1 |
| BOOMTOWN ELECTRICAL LTD | 43210 · electrical installation | 2026 | Active | SE1 |
| BRIGHT ELECTRICS LTD | 43210 · electrical installation | 2011 | Active | SE1 |
| BRIGHT FOREST CONSTRUCTION LIMITED | 43290 · other construction installation; 02100; 41201; 41202 | 2018 | Active | SE1 |
| CAIRNSY.CO LTD | 43210 · electrical installation; 33140 | 2023 | Active | SE1 |
| CAT ELECTRICS LTD | 43210 · electrical installation | 2025 | Active | SE1 |
| CGH ELECTRICAL (NW) LIMITED | 43210 · electrical installation | 2021 | Active | SE1 |
| CHAYE LTD | 43290 · other construction installation; 33160 | 2019 | Active - Proposal to Strike off | SE1 |
| CIRCUITFIX SOLUTIONS LIMITED | 43210 · electrical installation | 2026 | Active | SE1 |
| CONNECTED KERB LIMITED | 43210 · electrical installation | 2017 | Active | SE1 |
| CONSTRUCTION SOLUTION SERVICES LIMITED | 43290 · other construction installation | 2023 | Active | SE1 |
| CPR CONSTRUCTION GROUP LTD | 43290 · other construction installation; 41202 | 2025 | Active | SE1 |
| CROSSFIELD POWER & SECURITY LIMITED | 43210 · electrical installation | 2010 | Active | SE1 |
| CUSTOM SOLAR LTD | 43210 · electrical installation | 2011 | Active | SE1 |
| DECO LOFTS LTD | 43290 · other construction installation | 2025 | Active | SE1 |
| DREAM HOME MAKERS LTD | 43290 · other construction installation; 43341; 43390; 43999 | 2024 | Active | SE1 |
| ECOINFRASTRUCTURES LTD | 43290 · other construction installation; 43999 | 2020 | Active - Proposal to Strike off | SE1 |
| EL 12 LTD | 43210 · electrical installation; 70229; 96090 | 2018 | Active | SE1 |
| ELLIPSE DESIGN STUDIO LTD | 43290 · other construction installation; 71111; 71112; 74100 | 2021 | Active | SE1 |
| ENERGO ELECTRIC LTD | 43210 · electrical installation; 43390 | 2023 | Active | SE1 |
| ESM POWER LIMITED | 43210 · electrical installation | 2002 | Active | SE1 |
| FRESH START CONSTRUCTION LTD | 43290 · other construction installation; 41202; 43910 | 2019 | Active - Proposal to Strike off | SE1 |
| FULL FIBRE SERVICES LTD | 43290 · other construction installation; 62020; 71129 | 2019 | Active | SE1 |
| GK ELECTRICK LTD | 43210 · electrical installation | 2023 | Active | SE1 |
| GOMA ELECTRICAL LTD | 43210 · electrical installation | 2014 | Active | SE1 |
| GRIVEN UK LTD | 43210 · electrical installation | 2022 | Active | SE1 |
| GUSTAV BUILDING SERVICES LTD | 43210 · electrical installation; 43290 · other construction installation; 43341; 43390 | 2016 | Liquidation | SE1 |
| H SIREN SYSTEMS LTD | 43210 · electrical installation; 96090 | 2024 | Active | SE1 |
| HADRIAN TECHNOLOGY LIMITED | 43290 · other construction installation | 1999 | Active | SE1 |
| HG BUILDING SERVICES LTD | 43290 · other construction installation | 2017 | Active | SE1 |
| HOMEDECO CONTRACTOR LTD | 43290 · other construction installation | 2019 | Active | SE1 |
| INDUSTRIAL EFFICIENCY II LIMITED | 43210 · electrical installation | 2014 | Active | SE1 |
| INDUSTRIAL EFFICIENCY LIMITED | 43210 · electrical installation | 2013 | Active | SE1 |
| INSTAHELP LTD | 43290 · other construction installation; 41202; 62012; 68310 | 2026 | Active | SE1 |
| INSTALLATIONS F&F LTD | 43290 · other construction installation | 2012 | Active | SE1 |
| JSR FIRE AND SECURITY LIMITED | 43210 · electrical installation | 2026 | Active | SE1 |
| KA ELECTRIX LTD | 43210 · electrical installation | 2026 | Active | SE1 |
| KARILIN ENERGY SYSTEMS LTD | 43210 · electrical installation; 35110; 43999; 71122 | 2025 | Active | SE1 |
| KINGZETT & LOWMAN LTD | 43210 · electrical installation | 2023 | Active | SE1 |
| KM INVENTORS LTD | 43210 · electrical installation | 2018 | Active - Proposal to Strike off | SE1 |
| LED ASTRAY LIMITED | 43210 · electrical installation; 74100 | 2026 | Active | SE1 |
| LEKMAN SOLUTIONS LIMITED | 43290 · other construction installation; 41100; 43120 | 2026 | Active | SE1 |
| LES ELECTRICAL LTD | 43210 · electrical installation; 43390 | 2015 | Active - Proposal to Strike off | SE1 |
| MARLOWE FIRE & SECURITY (BBC) LIMITED | 43290 · other construction installation; 80200 | 1979 | Active | SE1 |
| MICROLITICS LTD | 43210 · electrical installation; 63110 | 2018 | Active | SE1 |
| MILOCO BUILDS LIMITED | 43290 · other construction installation | 2015 | Active | SE1 |
| MOONS ELEC LIMITED | 43210 · electrical installation | 2015 | Active | SE1 |
| NESS FIRE LTD | 43290 · other construction installation | 2024 | Active | SE1 |
| PEERLESS AUTOMATION LTD | 43210 · electrical installation; 43999 | 2018 | Active | SE1 |
| PERSUS LIMITED | 43290 · other construction installation; 62012; 80200; 81100 | 2003 | Active | SE1 |
| REA FUTURE LIVING LIMITED | 43210 · electrical installation | 2022 | Active | SE1 |
| RENOVATE MAISON LTD | 43290 · other construction installation; 41202; 43999 | 2025 | Active | SE1 |
| RHI INDUSTRIALS LIMITED | 43290 · other construction installation | 2001 | Active | SE1 |
| ROC SOLUTIONS LIMITED | 43290 · other construction installation | 2015 | Active | SE1 |
| ROCK POWER CONNECTIONS LTD | 43210 · electrical installation | 2012 | Active | SE1 |
| ROCMEP LIMITED | 43210 · electrical installation | 2004 | Active | SE1 |
| RUDRAKSH LIMITED | 43210 · electrical installation; 68209 | 2013 | Active | SE1 |
| SCK VOLT LIMITED | 43210 · electrical installation | 2025 | Active | SE1 |
| SINOAH LTD | 43210 · electrical installation; 35140; 46520; 46690 | 2023 | Active | SE1 |
| SOLIVUS ARC LIMITED | 43210 · electrical installation | 2024 | Active | SE1 |
| SOLIVUS ROOFTOP LIMITED | 43210 · electrical installation | 2024 | Active | SE1 |
| SPFLEX LIMITED | 43290 · other construction installation | 2025 | Active | SE1 |
| SPOKEMEAD LTD | 43210 · electrical installation | 2019 | Active | SE1 |
| SPS CONSTRUCTION SERV LTD | 43290 · other construction installation | 2025 | Active | SE1 |
| STUDIO ELEVEN INTERIORS LIMITED | 43290 · other construction installation; 43390 | 2016 | Active | SE1 |
| SUPREME GALAXY ELECTRICAL CONSTRUCTION LIMITED | 43210 · electrical installation; 71122 | 2008 | Active | SE1 |
| T.B FITTING LTD | 43290 · other construction installation | 2025 | Active - Proposal to Strike off | SE1 |
| THERMOCOMFORT LIMITED | 43290 · other construction installation | 1979 | Active | SE1 |
| UK POWER NETWORKS SERVICES (COMMERCIAL) LIMITED | 43210 · electrical installation | 1994 | Active | SE1 |
| VANTAGE SOLUTIONS LIMITED | 43290 · other construction installation; 43999 | 2017 | Active | SE1 |
| VISION SOLAR ENERGY LTD | 43210 · electrical installation; 70229; 71129 | 2025 | Active | SE1 |
| VT CARPENTRY LTD | 43290 · other construction installation; 41202; 43320; 43390 | 2021 | Active | SE1 |
| ZACK ELECTRICAL MAINTENANCE LTD | 43210 · electrical installation; 43390 | 2016 | Active | SE1 |
What homes around SE1 need
In SE1 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).
32% of sampled postcodes in SE1 sit in a conservation area (on-record, 1,996 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 SE1, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in SE1, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in SE1, with that district's hot nights and planning rule.