Cheam: plumbing, heating and air-conditioning companies
Cheam has 4 plumbing, heating and air-conditioning companies (SIC 43220) and 6 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 SM2, summer 2026 had ≈9 nights above 18 °C there (5 times the 1991–2020 average of 1.8).
SIC 43220
Open a company
HOLDER HEATING LIMITED, incorporated 2014, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| INSTIA LIMITED | 2013 | Active | SM2 |
| R & W LE SERVE LIMITED | 2002 | Active | SM2 |
| HOLDER HEATING LIMITED | 2014 | Active | SM3 |
| NEXUS PROJECT SERVICES LTD | 2024 | Active | SM3 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| LEWCO SYSTEMS LIMITED | 43210 · electrical installation | 2016 | Active | SM3 |
| GRAY ELECTRICAL LIMITED | 43210 · electrical installation | 2007 | Active | SM2 |
| LONDONLEC ELECTRICAL & HEATING SERVICES LTD | 43210 · electrical installation | 2026 | Active | SM2 |
| ELECTRIX TWENTY 4 LTD | 43210 · electrical installation | 2015 | Active | SM3 |
| THELECTRICIANS LTD | 43210 · electrical installation | 2021 | Active | SM2 |
| ELITE EV CHARGE LIMITED | 43210 · electrical installation | 2020 | Active | SM2 |
Heat and planning around Cheam
In Cheam last summer (2026) there were ≈9 nights that stayed above 18 °C — 5 times the 1991–2020 average of 1.8 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities). The figure is the household-weighted mean of 2 postcode districts where these offices are registered.
5% of sampled postcodes in Cheam sit in a conservation area (969 live postcodes across 2 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.