Home / Installers / London
UB3: plumbing, heating and air-conditioning companies in London
UB3 (London) has 0 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 1 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, UB3 had ≈10 nights above 18 °C in 2026 (7 times the 1991–2020 average of 1.5).
UB3
Open a company
0 plumbing companies in this district. UB3 district
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| No SIC 43220 company in this district | — | — | — |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| GRB INTELLIGENT SECURITY & AUTOMATION LTD | 43210 · electrical installation; 80200 | 2016 | Active | UB3 |
What homes around UB3 need
In UB3 last summer (2026) there were ≈10 nights that stayed above 18 °C — 7 times the 1991–2020 average of 1.5 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
11% of sampled postcodes in UB3 sit in a conservation area (on-record, 987 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 UB3, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in UB3, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in UB3, with that district's hot nights and planning rule.