Writtle, Chelmsford: plumbing, heating and air-conditioning companies
Writtle, Chelmsford 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 CM1, summer 2026 had ≈8 nights above 18 °C there (4 times the 1991–2020 average of 2.2).
SIC 43220
Open a company
DRAKES PLUMBING AND HEATING LTD, incorporated 2025, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| DRAKES PLUMBING AND HEATING LTD | 2025 | Active | CM1 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| DAY THERMAL LIMITED | 43290 · other construction installation | 2024 | Active | CM1 |
Nearest plumbing companies within 25 km
1,763 plumbing companies (SIC 43220) have a registered office within 25 km. The nearest 10 are listed.
| Company | Number | District | Distance |
|---|---|---|---|
| TUCKER GAS LIMITED | 09551223 | CM1 | under 0.1 km |
| GRG SERVICES LIMITED | 03042195 | CM1 | ≈1.1 km |
| J WILSON PLUMBING & HEATING LIMITED | 06627910 | CM1 | ≈1.1 km |
| RYLAN HEATING LIMITED | 07623544 | CM1 | ≈1.1 km |
| J A HAZELL HEATING & PLUMBING LTD | 11328345 | CM1 | ≈1.1 km |
| MAKO PROPERTY SERVICES LTD | 13066385 | CM1 | ≈1.1 km |
| ALLIANCE RENEWABLES LIMITED | 16501904 | CM1 | ≈1.1 km |
| PJR PLUMBING & HEATING LIMITED | 11655561 | CM1 | ≈1.1 km |
| LWS PLUMBING & HEATING (ESSEX) LIMITED | 09736506 | CM1 | ≈1.3 km |
| PLUMBSAFE CAMBRIDGE LTD | 10718946 | CM1 | ≈2.0 km |
Heat and planning around Writtle, Chelmsford
In Writtle, Chelmsford last summer (2026) there were ≈8 nights that stayed above 18 °C — 4 times the 1991–2020 average of 2.2 (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.
6% of sampled postcodes in Writtle, Chelmsford sit in a conservation area (1,559 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.