Home / Installers / London
W1U: plumbing, heating and air-conditioning companies in London
W1U (London) has 6 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 21 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, W1U had ≈12 nights above 18 °C in 2026 (8 times the 1991–2020 average of 1.6).
W1U
Open a company
APP MECHANICAL LTD, incorporated 2015, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| APP MECHANICAL LTD | 2015 | Active | W1U |
| GLOBAL SWAG ENGINEERING LIMITED | 2023 | Active | W1U |
| PORTMAN HEATING LIMITED | 2025 | Active | W1U |
| PORTMAN PLUMBING LIMITED | 2025 | Active | W1U |
| PORTMAN PROPERTY SERVICES LIMITED | 2024 | Active | W1U |
| PORTMAN RENEWABLES LIMITED | 2025 | Active | W1U |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| BALDWIN ELECTRICAL COMPANY (ST MARYLEBONE) LIMITED(THE) | 43210 · electrical installation; 47540 | 1952 | Active | W1U |
| CONSTRUCTION SURGE LTD | 43290 · other construction installation; 43390; 70229; 71122 | 2019 | Active | W1U |
| FES CONTRACTS UK NO 5 LIMITED | 43210 · electrical installation; 46180 | 2016 | Active | W1U |
| FES LIGHTING UK LIMITED | 43210 · electrical installation; 46180 | 2013 | Active | W1U |
| FIRECHECK CONTRACTS LIMITED | 43290 · other construction installation | 2001 | Active | W1U |
| FOCCHI LTD | 43290 · other construction installation | 1994 | Active | W1U |
| FUTURE ENERGY SOLUTIONS EUROPEAN LIGHTING GROUP LIMITED | 43210 · electrical installation; 46180 | 2013 | Active | W1U |
| FUTURE ENERGY SOLUTIONS LIGHTING GROUP LIMITED | 43210 · electrical installation; 46180 | 2013 | Active | W1U |
| FUTURE ENERGY SOLUTIONS LIGHTING HOLDINGS LIMITED | 43210 · electrical installation; 46180 | 2013 | Active | W1U |
| GANTREX UK LIMITED | 43290 · other construction installation | 2022 | Active | W1U |
| H&MV ENGINEERING SERVICES LIMITED | 43210 · electrical installation | 2019 | Active | W1U |
| HANERGY SOLAR TECHNOLOGY LTD | 43290 · other construction installation | 2020 | Active | W1U |
| KINGDOM ENERGY SYSTEM LIMITED | 43210 · electrical installation; 71121 | 2023 | Active | W1U |
| MARVEL ECOBUILD LTD | 43290 · other construction installation; 41202; 43390; 71111 | 2011 | Active | W1U |
| NIBLOCK ELECTRICAL SERVICES LIMITED | 43210 · electrical installation | 2012 | Active | W1U |
| PARROT DESIGN & BUILD LTD | 43290 · other construction installation; 41202; 71111 | 2019 | Active | W1U |
| PORTMAN ELECTRICAL LIMITED | 43210 · electrical installation | 2025 | Active | W1U |
| PROSPSER HOLDINGS (LONDON) LIMITED | 43210 · electrical installation; 82990 | 2025 | Active | W1U |
| QBS ELECTRICAL LIMITED | 43210 · electrical installation | 2013 | Active | W1U |
| SOLUZIONI LTD | 43290 · other construction installation; 16230; 31010; 43320 | 2024 | Active - Proposal to Strike off | W1U |
| TLC THE LONDON CONSTRUCTION GROUP LTD | 43290 · other construction installation; 41100; 43120; 43390 | 2020 | Active | W1U |
What homes around W1U need
In W1U 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).
89% of sampled postcodes in W1U sit in a conservation area (on-record, 1,069 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 W1U, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in W1U, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in W1U, with that district's hot nights and planning rule.