Home / Installers / London
SE21: plumbing, heating and air-conditioning companies in London
SE21 (London) has 4 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 5 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, SE21 had ≈10 nights above 18 °C in 2026 (5 times the 1991–2020 average of 1.9).
SE21
Open a company
ARO PROPERTY MAINTENANCE LTD, incorporated 2024, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| ARO PROPERTY MAINTENANCE LTD | 2024 | Active | SE21 |
| GAS HUB SERVICES LTD | 2018 | Active | SE21 |
| PAGE BUILDING LTD | 2019 | Active | SE21 |
| PIMMS PLUMBING AND HEATING LTD | 2023 | Active | SE21 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| BRICKRESTORE LTD | 43290 · other construction installation | 2021 | Active | SE21 |
| GREEN & YELLOW ELECTRICAL LIMITED | 43210 · electrical installation | 2025 | Active | SE21 |
| HUMO CONSTRUCTIONS LTD | 43290 · other construction installation; 43330; 43341; 43390 | 2021 | Active | SE21 |
| J&J ELECTRICAL CONTRACTORS LTD | 43210 · electrical installation | 2021 | Active | SE21 |
| VIGALO LIMITED | 43290 · other construction installation | 2014 | Active - Proposal to Strike off | SE21 |
What homes around SE21 need
In SE21 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).
31% of sampled postcodes in SE21 sit in a conservation area (on-record, 296 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 SE21, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in SE21, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in SE21, with that district's hot nights and planning rule.