South Glamorgan: plumbing, heating and air-conditioning companies
South Glamorgan has 1 plumbing, heating and air-conditioning companies (SIC 43220) and 0 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 CF11, summer 2026 had ≈10 nights above 18 °C there (14 times the 1991–2020 average of 0.7).
SIC 43220
Open a company
K S BARRY (PLUMBING & HEATING) LIMITED, incorporated 2000, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| K S BARRY (PLUMBING & HEATING) LIMITED | 2000 | Active | CF11 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| No SIC 43210 or 43290 company in this town | — | — | — | — |
Nearest plumbing companies within 25 km
725 plumbing companies (SIC 43220) have a registered office within 25 km. The nearest 10 are listed.
| Company | Number | District | Distance |
|---|---|---|---|
| K S BARRY (PLUMBING, HEATING & RENEWABLES) LTD | 04505859 | CF11 | under 0.1 km |
| MR BUILDER MH LTD | 15436726 | CF11 | ≈0.4 km |
| EMERGENCY PLUMBER CARDIFF LTD | 16753090 | CF11 | ≈0.4 km |
| ECO ENERGY SCHEME LTD | 15752768 | CF11 | ≈0.4 km |
| ESSEX PLUMBING & HEATING SERVICES LIMITED | 03402500 | CF11 | ≈0.4 km |
| TFP HEATING & PLUMBING LIMITED | 12239514 | CF11 | ≈0.6 km |
| DILEK TAYLAN LTD | 12511407 | CF11 | ≈0.6 km |
| ANDERSON & LEONARD LTD | 04747009 | CF11 | ≈0.7 km |
| JJ VICKERS PLUMBING AND HEATING LIMITED | 08820716 | CF11 | ≈0.8 km |
| NATIONWIDE RETROFIT LTD | 09102971 | CF11 | ≈0.8 km |
Heat and planning around South Glamorgan
In South Glamorgan last summer (2026) there were ≈10 nights that stayed above 18 °C — 14 times the 1991–2020 average of 0.7 (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.
11% of sampled postcodes in South Glamorgan sit in a conservation area (869 live postcodes across 1 districts).
In Wales 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.