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W1H: plumbing, heating and air-conditioning companies in London
W1H (London) has 7 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 12 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, W1H had ≈12 nights above 18 °C in 2026 (8 times the 1991–2020 average of 1.6).
W1H
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AB PLUMBING & HEATING INSTALLATION LTD, incorporated 2026, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| AB PLUMBING & HEATING INSTALLATION LTD | 2026 | Active | W1H |
| BMN SERVICES LTD | 2002 | Active | W1H |
| BOILER INSTALLATIONS LONDON LTD | 2022 | Active | W1H |
| CENTRAL PLUMBING & HEATING (LONDON) LTD | 2012 | Active | W1H |
| MORGAN PLUMBING & MAINTENANCES LIMITED | 2023 | Active | W1H |
| WATERGUYS LIMITED | 2014 | Active | W1H |
| WEST LONDON CONTRACTORS & DESIGNERS LTD | 2020 | Active - Proposal to Strike off | W1H |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| A.Z ELECTRIC LTD | 43210 · electrical installation | 2019 | Active | W1H |
| ABRA PROPTECH LTD | 43290 · other construction installation; 62012 | 2024 | Active | W1H |
| ASB CONTRACTORS LIMITED | 43290 · other construction installation | 2006 | Liquidation | W1H |
| AW1 SERVICES LTD | 43210 · electrical installation; 96090 | 2013 | Active | W1H |
| BEAM LIGHTING DESIGN LTD | 43290 · other construction installation | 2016 | Active | W1H |
| EV MAX PRO LIMITED | 43210 · electrical installation; 43341; 43390; 80200 | 2023 | Active | W1H |
| FIRST STRIKE ELECTRICAL LTD. | 43210 · electrical installation | 1999 | Active | W1H |
| POWERPOINT 24/7 LTD | 43210 · electrical installation | 2025 | Active | W1H |
| SHAWBRIDGE LTD | 43290 · other construction installation; 80100 | 2021 | Active | W1H |
| ULLA TRADING LTD | 43290 · other construction installation; 42990 | 2025 | Active | W1H |
| WATTIF EV UK LTD | 43210 · electrical installation | 2021 | Active | W1H |
| WORLD PROPERTY DEVELOPERS LTD | 43210 · electrical installation; 41202 | 2017 | Active | W1H |
What homes around W1H need
In W1H 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).
90% of sampled postcodes in W1H sit in a conservation area (on-record, 689 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 W1H, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in W1H, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in W1H, with that district's hot nights and planning rule.