Hertford Heath: plumbing, heating and air-conditioning companies
Hertford Heath 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 SG13, summer 2026 had ≈11 nights above 18 °C there (7 times the 1991–2020 average of 1.6).
SIC 43220
Open a company
RFT HEATING LIMITED, incorporated 1999, status Active - Proposal to Strike off.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| RFT HEATING LIMITED | 1999 | Active - Proposal to Strike off | SG13 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| JWT ELECTRICAL LIMITED | 43210 · electrical installation | 2016 | Active | SG13 |
Nearest plumbing companies within 25 km
3,071 plumbing companies (SIC 43220) have a registered office within 25 km. The nearest 10 are listed.
| Company | Number | District | Distance |
|---|---|---|---|
| SPEEDFLOW PLUMBING SERVICES LTD | 12158682 | SG13 | ≈1.1 km |
| HOME CHOICE FIREPLACES DIRECT LTD | 07182567 | EN11 | ≈1.5 km |
| PATORA PLUMBING AND MECHANICAL LTD | 16395261 | EN11 | ≈1.5 km |
| ABBOTT STOVES & COOKERS LIMITED | 03391356 | SG12 | ≈1.6 km |
| SHIELD CONTRACT SERVICES LIMITED | 07489554 | SG12 | ≈1.6 km |
| S & G PLUMBING & HEATING SOLUTIONS LTD | 11158961 | SG12 | ≈1.6 km |
| KEITHS HEATING LTD | 11899478 | SG12 | ≈1.6 km |
| ALSA BUILDING SERVICES LTD | 13185334 | EN11 | ≈1.8 km |
| BLUE PILOT PLUMBING AND HEATING LTD | 16127489 | EN11 | ≈1.9 km |
| S T W BUILDING SERVICES LTD | 17282734 | EN11 | ≈1.9 km |
Heat and planning around Hertford Heath
In Hertford Heath 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.
29% of sampled postcodes in Hertford Heath sit in a conservation area (529 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.