Great Dunmow: plumbing, heating and air-conditioning companies
Great Dunmow has 4 plumbing, heating and air-conditioning companies (SIC 43220) and 11 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 CM6, summer 2026 had ≈9 nights above 18 °C there (6 times the 1991–2020 average of 1.6).
SIC 43220
Open a company
G S CRAFT LIMITED, incorporated 2009, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| M LEECH SERVICES LIMITED | 2021 | Active | CM6 |
| RGW INSTALLATIONS LIMITED | 2016 | Active | CM6 |
| ZULU PLUMBING AND HEATING LTD | 2024 | Active | CM6 |
| G S CRAFT LIMITED | 2009 | Active | CM6 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| ASHRIDGE ELECTRICAL CONTRACTORS LIMITED | 43210 · electrical installation | 2011 | Active | CM6 |
| CAMPION ELECTRICS LIMITED | 43210 · electrical installation | 1972 | Active | CM6 |
| LABORATORY AIR SERVICES LTD | 43290 · other construction installation | 2021 | Active | CM6 |
| MCM ELECTRICAL SOLUTIONS LIMITED | 43210 · electrical installation | 2018 | Active | CM6 |
| PURE AMPS ELECTRICAL LIMITED | 43210 · electrical installation | 2021 | Active | CM6 |
| THE FUME CUPBOARD COMPANY LIMITED | 43290 · other construction installation | 2018 | Active | CM6 |
| THE FUME TESTING COMPANY LIMITED | 43290 · other construction installation | 2026 | Active | CM6 |
| E J FLOORING SOLUTIONS LTD | 43290 · other construction installation; 43999 | 2025 | Active | CM6 |
| PAUL ANTON LIMITED | 43210 · electrical installation | 2012 | Active | CM6 |
| A L TESTING SERVICES LIMITED | 43210 · electrical installation | 2014 | Active | CM6 |
| ONE 2 ONE FURNITURE LIMITED | 43290 · other construction installation | 2017 | Active - Proposal to Strike off | CM6 |
Heat and planning around Great Dunmow
In Great Dunmow last summer (2026) there were ≈9 nights that stayed above 18 °C — 6 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.
14% of sampled postcodes in Great Dunmow sit in a conservation area (987 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.