Llanrwst: plumbing, heating and air-conditioning companies
Llanrwst has 6 plumbing, heating and air-conditioning companies (SIC 43220) and 10 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 LL26, summer 2026 had ≈3 nights above 18 °C there (6 times the 1991–2020 average of 0.5).
SIC 43220
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A WAINWRIGHT GAS & HEATING SERVICES LTD, incorporated 2019, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| A WAINWRIGHT GAS & HEATING SERVICES LTD | 2019 | Active | LL26 |
| FFLAM ERYRI CYF | 1999 | Active | LL26 |
| G & D JONES LTD | 2018 | Active | LL26 |
| SNOWDONIA PLUMBING & HEATING SERVICES LTD | 2009 | Active | LL26 |
| CARTREF CONTRACTING LIMITED | 2012 | Active | LL26 |
| SOAR VALLEY HEATING LIMITED | 2002 | Active | LL26 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| ELIDIR FENCING LTD | 43290 · other construction installation | 2018 | Active | LL26 |
| FFENSIO MD FENCING CYF | 43290 · other construction installation | 2024 | Active | LL26 |
| JON EDWARDS PIPELINE SERVICES LTD | 43290 · other construction installation | 2019 | Active | LL26 |
| SNOWDONIA ELECTRICAL LTD | 43210 · electrical installation; 33140 | 2019 | Active | LL26 |
| WTW ELECTRICAL LTD | 43210 · electrical installation | 2024 | Active | LL26 |
| DAVE THOMAS WINDOWS & SONS LIMITED | 43290 · other construction installation | 2012 | Active | LL26 |
| MK ENTERPRISES (UK) LIMITED | 43290 · other construction installation | 2010 | Active | LL26 |
| BRYN ELECTRICS CYF | 43210 · electrical installation | 2018 | Active | LL26 |
| EBM CONTRACTORS LTD | 43290 · other construction installation; 43390 | 2024 | Active | LL26 |
| AL JONES BUILDING LTD | 43290 · other construction installation | 2024 | Active | LL26 |
Heat and planning around Llanrwst
In Llanrwst last summer (2026) there were ≈3 nights that stayed above 18 °C — 6 times the 1991–2020 average of 0.5 (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.
13% of sampled postcodes in Llanrwst sit in a conservation area (207 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.