Cardiff Bay: plumbing, heating and air-conditioning companies
Cardiff Bay has 0 plumbing, heating and air-conditioning companies (SIC 43220) and 1 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 CF10, summer 2026 had ≈10 nights above 18 °C there (14 times the 1991–2020 average of 0.7).
SIC 43220
Open a company
No SIC 43220 profile in this town. Noise tool
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| No SIC 43220 company in this town | — | — | — |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| CORE CONSTRUCTION & GROUNDWORKS LIMITED | 43290 · other construction installation; 41201; 41202; 42990 | 2019 | Liquidation | CF10 |
Nearest plumbing companies within 25 km
718 plumbing companies (SIC 43220) have a registered office within 25 km. The nearest 10 are listed.
| Company | Number | District | Distance |
|---|---|---|---|
| ATLANTICA PLUMBING AND HEATING LTD | 13689613 | CF10 | ≈0.2 km |
| CARDIFF PLUMBING LIMITED | 16731504 | CF10 | ≈0.5 km |
| CARDIFF HEAT NETWORK LTD | 13199235 | CF10 | ≈0.6 km |
| PLATINUM MECHANICAL & PLUMBING SERVICES LIMITED | 12164333 | CF24 | ≈0.9 km |
| EDIZI LTD | 16184598 | CF10 | ≈1.0 km |
| CLIMAC LTD | 14065933 | CF24 | ≈1.1 km |
| ACORN HOMECOVER LIMITED | 16161823 | CF24 | ≈1.1 km |
| CLIMATE CONTROL SYSTEMS LTD | 17154573 | CF24 | ≈1.1 km |
| RENEWABLE GREEN HOMES LTD | 12206056 | CF24 | ≈1.3 km |
| 24/7 PLUMBING HEATING ELECTRICAL LIMITED | 10559451 | CF24 | ≈1.3 km |
Heat and planning around Cardiff Bay
In Cardiff Bay 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.
35% of sampled postcodes in Cardiff Bay sit in a conservation area (643 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.