Castell-Nedd: plumbing, heating and air-conditioning companies
Castell-Nedd 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 SA10, summer 2026 had ≈4 nights above 18 °C there (17 times the 1991–2020 average of 0.2).
SIC 43220
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PRECISION HEATING SOLUTIONS LTD, incorporated 2025, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| PRECISION HEATING SOLUTIONS LTD | 2025 | Active | SA10 |
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
353 plumbing companies (SIC 43220) have a registered office within 25 km. The nearest 10 are listed.
| Company | Number | District | Distance |
|---|---|---|---|
| RCJ HEATING LIMITED | 14512294 | SA10 | ≈1.7 km |
| JGS PLUMBING SERVICES LTD | 17181005 | SA10 | ≈3.6 km |
| HS SERVICES PHG LTD | 14476840 | SA9 | ≈3.6 km |
| CROWSFOOT HEATING SERVICES LTD | 14522927 | SA9 | ≈4.3 km |
| JUST IN TIME PLUMBING, HEATING & BUILDING SERVICES LIMITED | 05743620 | SA9 | ≈4.4 km |
| DW-AIR LIMITED | 11624329 | SA9 | ≈4.7 km |
| D PHILLIPS GAS PLUMBING & HEAT LTD | 08416481 | SA9 | ≈5.3 km |
| VALLEY HEATING & PLUMBING LTD | 12899863 | SA9 | ≈5.3 km |
| LV PLUMBING & GAS LTD | 15232455 | SA11 | ≈5.8 km |
| LEWIS GAS & ELECTRICAL LTD | 17002816 | SA11 | ≈6.3 km |
Heat and planning around Castell-Nedd
In Castell-Nedd last summer (2026) there were ≈4 nights that stayed above 18 °C — 17 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 1 postcode districts where these offices are registered.
1% of sampled postcodes in Castell-Nedd sit in a conservation area (777 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.