Henfield: plumbing, heating and air-conditioning companies
Henfield has 6 plumbing, heating and air-conditioning companies (SIC 43220) and 13 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 BN5, summer 2026 had ≈10 nights above 18 °C there (5 times the 1991–2020 average of 1.9).
SIC 43220
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HEAT SUSSEX LTD, incorporated 2021, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| MATT OWEN GAS & HEATING SERVICES LIMITED | 2018 | Active | BN5 |
| P AND R SERVICES (SUSSEX) LIMITED | 2010 | Active | BN5 |
| P CAMBURN PLUMBING & HEATING SERVICES LTD | 2024 | Active | BN5 |
| KNIGHT PLUMBING AND HEATING LTD | 2017 | Active | BN5 |
| HEAT SUSSEX LTD | 2021 | Active | BN5 |
| MAYDEAN ELECTRICAL & MECHANICAL ENGINEERS LTD | 2020 | Active | BN5 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| ALBERT JOHNSON LTD | 43290 · other construction installation | 2020 | Active | BN5 |
| LANMAR ELECTRICAL LIMITED | 43210 · electrical installation | 2010 | Active | BN5 |
| SUSSEX ROOF WINDOWS LTD | 43290 · other construction installation | 2021 | Active | BN5 |
| MAYDEAN LIMITED | 43210 · electrical installation | 2009 | Active | BN5 |
| MW ELECTRICAL ENGINEERING LTD | 43210 · electrical installation | 2023 | Active | BN5 |
| KINGSWOOD AT HOME LIMITED | 43290 · other construction installation | 2015 | Active | BN5 |
| JC AND CO KITCHEN AND BATHROOM SPECIALIST LTD | 43290 · other construction installation | 2026 | Active | BN5 |
| SMARTSTART HOME AUTOMATION LTD | 43210 · electrical installation | 2023 | Active | BN5 |
| CENTRAL ELECTRICAL SOLUTIONS LTD | 43210 · electrical installation | 2013 | Active | BN5 |
| CES FIRE & ELECTRICAL LIMITED | 43210 · electrical installation | 2025 | Active | BN5 |
| LAND & POWER ELECTRICAL CONTRACTING LIMITED | 43210 · electrical installation | 2015 | Active | BN5 |
| LAND AND POWER LIMITED | 43290 · other construction installation; 42220 | 2013 | Active | BN5 |
| NEW GENERATION ELECTRICAL SOUTHERN LTD | 43210 · electrical installation | 2013 | Active - Proposal to Strike off | BN5 |
Heat and planning around Henfield
In Henfield last summer (2026) there were ≈10 nights that stayed above 18 °C — 5 times the 1991–2020 average of 1.9 (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.
20% of sampled postcodes in Henfield sit in a conservation area (288 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.