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NW1: plumbing, heating and air-conditioning companies in London
NW1 (London) has 38 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 37 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, NW1 had ≈12 nights above 18 °C in 2026 (8 times the 1991–2020 average of 1.6).
NW1
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A TO Z HEATING & PLUMBING SERVICES LTD, incorporated 2016, status Active.
Plumbing, heating and air-conditioning companies
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| A & S BUILDING MAINTENANCE LTD | 43210 · electrical installation | 2017 | Active | NW1 |
| A C PLC | 43290 · other construction installation; 41201 | 2008 | In Administration | NW1 |
| ABOUELELA GROUP LIMITED | 43290 · other construction installation; 43999 | 2020 | Active - Proposal to Strike off | NW1 |
| ARM ELECTRICAL CONSTRUCTION LIMITED | 43210 · electrical installation | 2024 | Active | NW1 |
| ARTISAN RENOVATIONS LIMITED | 43290 · other construction installation; 43999 | 2020 | Active - Proposal to Strike off | NW1 |
| AURORA GREEN RETROFITS LTD | 43210 · electrical installation; 41202; 71129; 74901 | 2025 | Active | NW1 |
| AVANDE CONNECT LIMITED | 43210 · electrical installation; 47599; 96090 | 2018 | Liquidation | NW1 |
| BASALTECH LTD | 43210 · electrical installation | 2020 | Active | NW1 |
| BIG SHINE UK LTD | 43210 · electrical installation; 56102; 74901; 85590 | 2026 | Active | NW1 |
| BMD ELECTRICAL CONTRACTORS LTD | 43210 · electrical installation | 2023 | Active | NW1 |
| CAN ELECTRONICS LTD | 43210 · electrical installation; 33140; 47789; 47910 | 2021 | Active | NW1 |
| CAPSTONE ELECTRICAL LTD | 43210 · electrical installation | 2025 | Active | NW1 |
| CC ELECTRICAL INSTALLATIONS LONDON LTD | 43210 · electrical installation | 2017 | Active | NW1 |
| CENTRAL ONE CONSTRUCTION LTD | 43210 · electrical installation; 41201; 41202 | 2024 | Active - Proposal to Strike off | NW1 |
| CKL ELECTRICAL LTD | 43210 · electrical installation | 2019 | Liquidation | NW1 |
| DENIZ ELECTRICAL SERVICES LTD | 43210 · electrical installation; 33140 | 2021 | Active | NW1 |
| DNS ENGINEERING LIMITED | 43210 · electrical installation | 2011 | Active | NW1 |
| ESSEX INDUSTRIES LIMITED | 43290 · other construction installation; 71200 | 1999 | Active | NW1 |
| GLD PROPERTIES INVESTMENT LIMITED | 43290 · other construction installation; 43999; 68100 | 2017 | Live but Receiver Manager on at least one charge | NW1 |
| GOLDEN EAGLE LONDON LTD | 43290 · other construction installation | 2023 | Active | NW1 |
| HB LIGHTING LTD | 43210 · electrical installation | 2026 | Active | NW1 |
| K & I KITCHEN INSTALLATIONS LTD | 43290 · other construction installation; 47540; 47599 | 2003 | Active | NW1 |
| K K ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2020 | Active | NW1 |
| MARYLEBONE BUILDING & MAINTENANCE LTD | 43290 · other construction installation; 43390; 68209 | 2026 | Active | NW1 |
| MONABUILD LTD | 43290 · other construction installation; 43320; 43330; 43910 | 2024 | Active | NW1 |
| MUMMERY SOLUTIONS LIMITED | 43290 · other construction installation; 43390 | 2023 | Active | NW1 |
| NEXT PHASE LIGHTING LTD | 43210 · electrical installation | 2024 | Active | NW1 |
| NOUR TECHNOLOGY LTD | 43210 · electrical installation; 43390 | 2018 | Active | NW1 |
| OSP ELECTRICAL LTD | 43210 · electrical installation | 2016 | Active | NW1 |
| PTL RAIL SOLUTIONS LIMITED | 43290 · other construction installation | 2018 | Liquidation | NW1 |
| REEDON BUILDING SERVICES LTD | 43290 · other construction installation; 43999 | 2022 | Active | NW1 |
| ROB MUNRO LTD | 43210 · electrical installation | 2025 | Active | NW1 |
| ROBERT PURTAK ELECTRICAL LTD | 43210 · electrical installation; 41202 | 2013 | Active | NW1 |
| SEXTON RIGGERS LTD | 43290 · other construction installation; 43991 | 2019 | Active - Proposal to Strike off | NW1 |
| SHAHWAN LIMITED | 43290 · other construction installation; 41100; 41201; 42990 | 2022 | Active | NW1 |
| SULIS ELECTRICAL LIMITED | 43210 · electrical installation | 2022 | Active | NW1 |
| TSJ BUILDING SERVICES (ELECTRICAL) LTD | 43210 · electrical installation | 2011 | Active | NW1 |
What homes around NW1 need
In NW1 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).
44% of sampled postcodes in NW1 sit in a conservation area (on-record, 1,656 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 NW1, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in NW1, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in NW1, with that district's hot nights and planning rule.