North Somerset: plumbing, heating and air-conditioning companies
North Somerset has 3 plumbing, heating and air-conditioning companies (SIC 43220) and 2 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 BS21, summer 2026 had ≈7 nights above 18 °C there (8 times the 1991–2020 average of 0.9).
SIC 43220
Open a company
HOT ON GAS LIMITED, incorporated 2005, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| HOT ON GAS LIMITED | 2005 | Active | BS21 |
| W.H. COLE & SON LIMITED | 2002 | Active | BS41 |
| ZANETTI BUILDING SERVICES LTD | 2018 | Active | BS25 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| J ALLWARD CONSTRUCTION LIMITED | 43210 · electrical installation; 43310; 43999 | 2014 | Active | BS21 |
| T & T ELECTRICAL LIMITED | 43210 · electrical installation | 2006 | Active | BS20 |
Heat and planning around North Somerset
In North Somerset last summer (2026) there were ≈6.9 nights that stayed above 18 °C — 8 times the 1991–2020 average of 0.9 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities). The figure is the household-weighted mean of 4 postcode districts where these offices are registered.
8% of sampled postcodes in North Somerset sit in a conservation area (2,030 live postcodes across 4 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.