Walthan Cross: plumbing, heating and air-conditioning companies
Walthan Cross 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 EN7, summer 2026 had ≈11 nights above 18 °C there (7 times the 1991–2020 average of 1.6).
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 |
|---|---|---|---|---|
| VLAHOVA LTD | 43290 · other construction installation | 2024 | Active | EN7 |
Nearest plumbing companies within 25 km
7,424 plumbing companies (SIC 43220) have a registered office within 25 km. The nearest 10 are listed.
| Company | Number | District | Distance |
|---|---|---|---|
| EMERALD FORGE LTD | 16751964 | EN7 | ≈0.2 km |
| BLACK GAS PLUMBING AND HEATING LTD | 16809348 | EN7 | ≈0.4 km |
| JK PLUMBING & BATHROOMS LTD | 14047292 | EN7 | ≈0.5 km |
| AOS SERVICE COVER LIMITED | 07319906 | EN7 | ≈0.5 km |
| AOS HEATING LIMITED | 07319958 | EN7 | ≈0.5 km |
| GAS FLOW AND PLUMBING LTD | 09268424 | EN7 | ≈0.5 km |
| BOILER INSTALL LTD | 14879817 | EN7 | ≈0.6 km |
| JJK BATHROOMS LTD | 16606156 | EN7 | ≈0.6 km |
| SENTRY: RAPID RESPONSE LTD | 17420788 | EN7 | ≈0.6 km |
| JLK AIR CONDITIONING LIMITED | 05698864 | EN7 | ≈0.6 km |
Heat and planning around Walthan Cross
In Walthan Cross last summer (2026) there were ≈11 nights that stayed above 18 °C — 7 times the 1991–2020 average of 1.6 (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.
0% of sampled postcodes in Walthan Cross sit in a conservation area (512 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.