Gwynedd, Wales LL53: plumbing, heating and air-conditioning companies
Gwynedd, Wales LL53 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 LL53, summer 2026 had ≈5 nights above 18 °C there (12 times the 1991–2020 average of 0.4).
SIC 43220
Open a company
MALCOLM ROBERTS LIMITED, incorporated 2006, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| MALCOLM ROBERTS LIMITED | 2006 | Active | LL53 |
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
11 plumbing companies (SIC 43220) have a registered office within 25 km. The nearest 10 are listed.
| Company | Number | District | Distance |
|---|---|---|---|
| GWRESOGI LTD | 14776163 | LL53 | ≈0.4 km |
| O L THOMAS PLUMBING & HEATING LIMITED | 14798765 | LL53 | ≈2.4 km |
| G JONES HEATING & PLUMBING LTD | 06451815 | LL53 | ≈10.3 km |
| LLYN PLUMBING & HEATING LTD | 12922983 | LL53 | ≈13.2 km |
| M WYNN PLUMBING CYF | 07316581 | LL53 | ≈13.8 km |
| T W WILLIAMS & SON LTD | 08943290 | LL53 | ≈13.8 km |
| STUART LIVINGSTONE LTD | 17352685 | LL53 | ≈13.8 km |
| M P PLUMBING LIMITED | 07558834 | LL53 | ≈13.8 km |
| MELA ENERGY LTD | 12790697 | LL53 | ≈13.8 km |
| DYFFRYN HEATING LTD | 14473456 | LL53 | ≈13.8 km |
Heat and planning around Gwynedd, Wales LL53
In Gwynedd, Wales LL53 last summer (2026) there were ≈5 nights that stayed above 18 °C — 12 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.
10% of sampled postcodes in Gwynedd, Wales LL53 sit in a conservation area (812 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.