Much Hadham: plumbing, heating and air-conditioning companies
Much Hadham has 1 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 SG10, summer 2026 had ≈11 nights above 18 °C there (7 times the 1991–2020 average of 1.6).
SIC 43220
Open a company
G H SMITH P&H LIMITED, incorporated 2012, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| G H SMITH P&H LIMITED | 2012 | Active | SG10 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| LLOYD PROPERTY MAINTENANCE LTD | 43290 · other construction installation | 2022 | Active | SG10 |
Nearest plumbing companies within 25 km
1,383 plumbing companies (SIC 43220) have a registered office within 25 km. The nearest 10 are listed.
| Company | Number | District | Distance |
|---|---|---|---|
| PSI HEATING LTD | 10633715 | SG12 | ≈1.7 km |
| PLS LONDON LIMITED | 06536965 | SG12 | ≈3.1 km |
| PLS LONDON (W1) LIMITED | 14152641 | SG12 | ≈3.1 km |
| ROASTMASTER SOLUTIONS LTD | 15923521 | SG11 | ≈3.6 km |
| SSTC SERVICES LTD | 17177724 | SG11 | ≈3.9 km |
| MULTI PROJECT MANAGEMENT LTD | 14038928 | SG12 | ≈4.2 km |
| D B FOX LIMITED | 15237403 | CM23 | ≈4.2 km |
| MALCOLM CHALK LIMITED | 05081292 | CM23 | ≈4.4 km |
| EDDIE NILSSON LTD | 04788706 | CM23 | ≈4.4 km |
| ATMOSPHERES VENTILATION SERVICES LIMITED | 09439585 | CM23 | ≈4.6 km |
Heat and planning around Much Hadham
In Much Hadham 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.
40% of sampled postcodes in Much Hadham sit in a conservation area (108 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.