Stock: plumbing, heating and air-conditioning companies
Stock has 3 plumbing, heating and air-conditioning companies (SIC 43220) and 4 electrical and other installation companies registered here (Companies House, 1 Sep 2026); 0 are MCS-certified for air-to-air yet. If the office is in CM4, summer 2026 had ≈8 nights above 18 °C there (4 times the 1991–2020 average of 2.2).
SIC 43220
Open a company
D DOCKERILL AND SON LIMITED, incorporated 2010, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| P VOLLER GAS SERVICES LTD | 2004 | Active | CM4 |
| THOMSON PLUMBING LTD | 2007 | Active | CM4 |
| D DOCKERILL AND SON LIMITED | 2010 | Active | CM4 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| PMP SPECIALIST SYSTEMS LIMITED | 43210 · electrical installation | 2007 | Active | CM4 |
| WFP INSTALLATIONS LIMITED | 43210 · electrical installation | 2020 | Active | CM4 |
| KNIGHTS AIR LTD | 43210 · electrical installation; 35300 | 2025 | Active | CM4 |
| PM INSULATIONS LIMITED | 43290 · other construction installation | 1997 | Active | CM4 |
Heat and planning around Stock
In Stock last summer (2026) there were ≈8 nights that stayed above 18 °C — 4 times the 1991–2020 average of 2.2 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities). The figure is the household-weighted mean of 1 postcode districts where these offices are registered.
23% of sampled postcodes in Stock sit in a conservation area (441 live postcodes across 1 districts).
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, June–August, minimum at or above 18 °C, household-weighted across the districts where these offices are registered, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points, snapshot 25 Sep 2026. Distances are an equirectangular approximation to 0.1 km.
Better than a town directory that only lists names: each plumbing company links to its Companies House record and the local hot-night count.