Johnstown: plumbing, heating and air-conditioning companies
Johnstown has 0 plumbing, heating and air-conditioning companies (SIC 43220) and 1 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 LL14, summer 2026 had ≈2 nights above 18 °C there (7 times the 1991–2020 average of 0.3).
SIC 43220
Open a company
No SIC 43220 profile in this town. Noise tool
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| No SIC 43220 company in this town | — | — | — |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| PAROLYTE LTD | 43210 · electrical installation; 33140 | 2023 | Active | LL14 |
Nearest plumbing companies within 25 km
247 plumbing companies (SIC 43220) have a registered office within 25 km. The nearest 10 are listed.
| Company | Number | District | Distance |
|---|---|---|---|
| GO HOMESERV LTD | 13352072 | LL14 | under 0.1 km |
| PRIME PLUMBING & HEATING NORTH WEST LTD | 15327127 | LL14 | under 0.1 km |
| ONE STEP INSTALLATIONS LIMITED | 09586605 | LL14 | ≈1.6 km |
| HEAT SERVICE (WREXHAM) LTD | 12030128 | LL14 | ≈1.9 km |
| XGAS LIMITED | 04788940 | LL14 | ≈2.4 km |
| OJO ENGINEERING LTD | 16937160 | LL14 | ≈3.8 km |
| GRIFFITHS BROS (WXM) LIMITED | 04488521 | LL13 | ≈4.0 km |
| GRL GAS LIMITED | 14318883 | LL14 | ≈4.7 km |
| T T PLUMBING & HEATING SOLUTIONS LTD | 15795718 | LL13 | ≈5.0 km |
| ARWEL JONES PLUMBING & HEATING LIMITED | 07836105 | LL13 | ≈5.1 km |
Heat and planning around Johnstown
In Johnstown last summer (2026) there were ≈2 nights that stayed above 18 °C — 7 times the 1991–2020 average of 0.3 (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.
7% of sampled postcodes in Johnstown sit in a conservation area (1,047 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.