Kidwelly: plumbing, heating and air-conditioning companies
Kidwelly has 2 plumbing, heating and air-conditioning companies (SIC 43220) and 11 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 SA17, summer 2026 had ≈7 nights above 18 °C there (12 times the 1991–2020 average of 0.6).
SIC 43220
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CASTLE HEATING CYDWELI LTD, incorporated 2020, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| CASTLE HEATING CYDWELI LTD | 2020 | Active | SA17 |
| CHC RENEWABLES LTD | 2024 | Active | SA17 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| THREE RIVERS FENCING LTD | 43290 · other construction installation | 2024 | Active | SA17 |
| WYN WYN GROUP LIMITED | 43290 · other construction installation; 16230; 43320 | 2024 | Active | SA17 |
| WYN WYN LTD | 43290 · other construction installation; 16230; 43320 | 2015 | Active | SA17 |
| GUY REES CONSTRUCTION LTD | 43290 · other construction installation | 2023 | Active | SA17 |
| EXCEL ELECTRICS LIMITED | 43210 · electrical installation | 2011 | Active | SA17 |
| HASSIE ELECTRICAL LIMITED | 43210 · electrical installation | 2008 | Active | SA17 |
| CTJ ELECTRICAL LTD | 43210 · electrical installation | 2024 | Active | SA17 |
| RLW ELECTRICAL & SOLAR LIMITED | 43210 · electrical installation | 2016 | Active | SA17 |
| GARY STUART ENGIEERING LTD | 43210 · electrical installation | 2024 | Active | SA17 |
| DAVID PONSFORD SERVICES LTD | 43210 · electrical installation; 33120 | 2014 | Active | SA17 |
| STEVEN BLACK ELECTRICIANS LIMITED | 43210 · electrical installation | 2014 | Active - Proposal to Strike off | SA17 |
Heat and planning around Kidwelly
In Kidwelly last summer (2026) there were ≈7 nights that stayed above 18 °C — 12 times the 1991–2020 average of 0.6 (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.
3% of sampled postcodes in Kidwelly sit in a conservation area (429 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.