St Johns: plumbing, heating and air-conditioning companies
St Johns has 0 plumbing, heating and air-conditioning companies (SIC 43220) and 2 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 GU21, summer 2026 had ≈9 nights above 18 °C there (5 times the 1991–2020 average of 1.7).
SIC 43220
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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 |
|---|---|---|---|---|
| FCS- ELECTRICAL LTD | 43210 · electrical installation | 2015 | Active | GU21 |
| M J RONAN ELECTRICAL LTD | 43210 · electrical installation | 2000 | Active | GU21 |
Nearest plumbing companies within 25 km
2,039 plumbing companies (SIC 43220) have a registered office within 25 km. The nearest 10 are listed.
| Company | Number | District | Distance |
|---|---|---|---|
| ENVIRONMENTAL CONTROLS LIMITED | 03568527 | GU21 | ≈0.2 km |
| CARWYN PLUMBING & HEATING LTD | 16396147 | GU21 | ≈0.3 km |
| TAYLORS HEATING & PLUMBING SERVICES LTD | 14878158 | GU21 | ≈0.3 km |
| A S PLUMBING SERVICES LTD | 05605796 | GU21 | ≈0.4 km |
| MO`S SONS LIMITED | 06387779 | GU21 | ≈0.4 km |
| EVERY ENERGY LTD | 15574230 | GU21 | ≈0.6 km |
| R S BAILEY PLUMBING & HEATING LIMITED | 07295157 | GU21 | ≈0.7 km |
| PLUMBING & HEATING SURREY LTD | 16546799 | GU21 | ≈0.7 km |
| GME COMMERCIAL GAS SERVICES LIMITED | 06550601 | GU21 | ≈0.9 km |
| SURREY HEATWISE LTD | 15715362 | GU21 | ≈0.9 km |
Heat and planning around St Johns
In St Johns last summer (2026) there were ≈9 nights that stayed above 18 °C — 5 times the 1991–2020 average of 1.7 (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.
5% of sampled postcodes in St Johns sit in a conservation area (1,154 live postcodes across 1 districts).
In England 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.