Waltham St Lawrence: plumbing, heating and air-conditioning companies
Waltham St Lawrence 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 RG10, summer 2026 had ≈11 nights above 18 °C there (8 times the 1991–2020 average of 1.4).
SIC 43220
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VIRTU AIR LTD, incorporated 2024, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| VIRTU AIR LTD | 2024 | Active | RG10 |
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
1,691 plumbing companies (SIC 43220) have a registered office within 25 km. The nearest 10 are listed.
| Company | Number | District | Distance |
|---|---|---|---|
| MAXIMUM HEATING & COOLING SERVICES LIMITED | 12351353 | RG10 | ≈3.1 km |
| OAKLEY HEATING & PLUMBING LTD | 11942693 | SL6 | ≈3.7 km |
| METAINY AIR CONDITIONING LIMITED | 04053855 | SL6 | ≈3.7 km |
| METAINY SERVICE LIMITED | 08267649 | SL6 | ≈3.7 km |
| ZEPHYRAIRSOLUTIONS LTD | 16763509 | SL6 | ≈3.8 km |
| HEATFLOW INSTALLATIONS LTD. | 08858167 | SL6 | ≈3.9 km |
| SPC HEATING & PLUMBING LIMITED | 13426834 | SL6 | ≈4.0 km |
| S GREEN PLUMBING AND HEATING LTD | 09132198 | RG10 | ≈4.0 km |
| TOP NOTCH HEATING LTD | 09495199 | SL6 | ≈4.2 km |
| KOMA MK LTD | 08988655 | RG10 | ≈4.2 km |
Heat and planning around Waltham St Lawrence
In Waltham St Lawrence last summer (2026) there were ≈11 nights that stayed above 18 °C — 8 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.
0% of sampled postcodes in Waltham St Lawrence sit in a conservation area (676 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.