Gwynedd, Wales: plumbing, heating and air-conditioning companies
Gwynedd, Wales 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 LL42, summer 2026 had ≈4 nights above 18 °C there (10 times the 1991–2020 average of 0.4).
SIC 43220
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ABERMAW GAS HEATING LTD., incorporated 2003, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| ABERMAW GAS HEATING LTD. | 2003 | Active | LL42 |
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
22 plumbing companies (SIC 43220) have a registered office within 25 km. The nearest 10 are listed.
| Company | Number | District | Distance |
|---|---|---|---|
| ANDREW STONE (PLUMBING & HEATING) LTD | 13536819 | LL42 | ≈0.9 km |
| P WELLINGS PLUMBING LIMITED | 07064216 | LL43 | ≈5.9 km |
| PATTISON GAS SERVICES LIMITED | 12046884 | LL43 | ≈6.6 km |
| BLAKE GAS SERVICES LTD | 15835403 | LL36 | ≈10.7 km |
| WEST WALES CHIMNEY SERVICES LIMITED | 08472946 | LL40 | ≈11.4 km |
| LOWE MAINTENANCE SERVICES LTD | 13566065 | LL40 | ≈11.9 km |
| ALE PLUMBING & HEATING LTD | 12460064 | LL46 | ≈15.2 km |
| A T L HEATING LTD | 07961192 | LL46 | ≈16.0 km |
| GWASANAETHAU ADEILADU GWYRDD CYF | 13993199 | LL40 | ≈16.4 km |
| DOLGELLAU ENERGY CWMNI BUDDIANT CYMUNEDOL | 15227443 | LL40 | ≈16.4 km |
Heat and planning around Gwynedd, Wales
In Gwynedd, Wales last summer (2026) there were ≈4 nights that stayed above 18 °C — 10 times the 1991–2020 average of 0.4 (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.
31% of sampled postcodes in Gwynedd, Wales sit in a conservation area (151 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.