Rhondda: plumbing, heating and air-conditioning companies
Rhondda has 2 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 CF41, summer 2026 had ≈5 nights above 18 °C there (30 times the 1991–2020 average of 0.2).
SIC 43220
Open a company
EXPERT VENTILATION SYSTEMS LIMITED, incorporated 2011, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| MAINDY HEATING COMPANY LIMITED | 1970 | Active | CF42 |
| EXPERT VENTILATION SYSTEMS LIMITED | 2011 | Active | CF41 |
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
481 plumbing companies (SIC 43220) have a registered office within 25 km. The nearest 10 are listed.
| Company | Number | District | Distance |
|---|---|---|---|
| C STRINATI INSTALLATIONS LTD | 09618216 | CF42 | ≈0.8 km |
| CALGAR PLUMBING AND HEATING LTD | 14342095 | CF42 | ≈0.8 km |
| LEWIS.PLUMBING.HEATING LTD | 16126417 | CF42 | ≈0.8 km |
| NRG CENTRE LTD | 09946360 | CF41 | ≈1.3 km |
| CARTREF SOLUTIONS LTD | 17226246 | CF42 | ≈1.4 km |
| BOILOO LTD | 14979808 | CF41 | ≈2.0 km |
| GARETH LANE PLUMBING, HEATING AND GAS SERVICES LIMITED | 09932611 | CF41 | ≈2.5 km |
| RICHARD JONES PLUMBING AND HEATING LTD | 12771524 | CF43 | ≈3.8 km |
| BEN SIMMONS PLUMBING & HEATING LTD | 12689724 | CF43 | ≈4.1 km |
| T&S CONTRACTING LTD | 16978671 | CF32 | ≈4.3 km |
Heat and planning around Rhondda
In Rhondda last summer (2026) there were ≈5 nights that stayed above 18 °C — 30 times the 1991–2020 average of 0.2 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities). The figure is the household-weighted mean of 2 postcode districts where these offices are registered.
1% of sampled postcodes in Rhondda sit in a conservation area (558 live postcodes across 2 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.