Updown Hill: plumbing, heating and air-conditioning companies
Updown Hill 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 GU20, summer 2026 had ≈9 nights above 18 °C there (6 times the 1991–2020 average of 1.4).
SIC 43220
Open a company
SENGA PLUMBING AND HEATING LIMITED, incorporated 1978, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| SENGA PLUMBING AND HEATING LIMITED | 1978 | Active | GU20 |
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
2,316 plumbing companies (SIC 43220) have a registered office within 25 km. The nearest 10 are listed.
| Company | Number | District | Distance |
|---|---|---|---|
| SENGA (ENFIELD) LIMITED | 02172297 | GU20 | under 0.1 km |
| WINDLETREE PLUMBING AND HEATING LTD | 15721347 | GU20 | ≈0.3 km |
| LAWRENCE PLUMBING & HEATING LIMITED | 08716731 | GU20 | ≈1.2 km |
| U&K MECHANICAL SERVICES LTD | 13119989 | GU18 | ≈1.5 km |
| GCPH LIMITED | 16304825 | GU18 | ≈1.9 km |
| RBHM LIMITED | 08913138 | GU19 | ≈2.0 km |
| SYNCRON GROUP LTD | 16841683 | GU18 | ≈2.4 km |
| SYNCRON PLUMBING & HEATING LTD | 16867577 | GU18 | ≈2.4 km |
| SOUTHDOWN PLUMBING LTD | 16330543 | GU19 | ≈2.5 km |
| S J BOYD PLUMBING & HEATING LTD | 10678188 | GU19 | ≈2.7 km |
Heat and planning around Updown Hill
In Updown Hill last summer (2026) there were ≈9 nights that stayed above 18 °C — 6 times the 1991–2020 average of 1.4 (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 Updown Hill sit in a conservation area (148 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.