Harwich: plumbing, heating and air-conditioning companies
Harwich has 11 plumbing, heating and air-conditioning companies (SIC 43220) and 15 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 CO12, summer 2026 had ≈19 nights above 18 °C there (5 times the 1991–2020 average of 4.1).
SIC 43220
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BRIDGES HEATING AND COOLING LTD, incorporated 2022, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| R B DAVIES PLUMBING & HEATING LIMITED | 2018 | Active | CO12 |
| BRIDGES HEATING AND COOLING LTD | 2022 | Active | CO12 |
| GEP INSTALLATION AND MAINTENANCE SERVICES LTD | 2022 | Active | CO12 |
| HRL PLUMBING & HEATING SERVICES LTD | 2017 | Active | CO12 |
| DAN HOLMAN PLUMBING, HEATING & GAS LIMITED | 2025 | Active | CO12 |
| CARMICHAEL PLUMBING & HEATING LIMITED | 2025 | Active | CO12 |
| PAUL FITCH PLUMBING & HEATING LTD | 2016 | Active | CO12 |
| JACKSON CODD LIMITED | 2021 | Active | CO12 |
| LSG HEATING SERVICES LTD | 2024 | Active | CO12 |
| RT HEATING SOLUTIONS LTD | 2024 | Active | CO12 |
| PRESTIGE COMMERCIAL MAINTENANCE SERVICES LIMITED | 2025 | Liquidation | CO12 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| OMEGA ENERGY SOLUTIONS LTD | 43290 · other construction installation | 2025 | Active | CO12 |
| GILEAD LIFTS LTD | 43290 · other construction installation | 2018 | Active | CO12 |
| MARSHMAN ELECTRICAL LIMITED | 43210 · electrical installation | 2024 | Active | CO12 |
| O M REWIRES LIMITED | 43210 · electrical installation | 2023 | Active | CO12 |
| FIRST IN ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2024 | Active | CO12 |
| INNOVATE ELECTRICAL LTD | 43210 · electrical installation | 2014 | Active | CO12 |
| WEAVER & ANDERSON ELECTRICAL CONTRACTORS LTD | 43210 · electrical installation | 2025 | Active | CO12 |
| K HOWE INSTALLATIONS LTD | 43290 · other construction installation | 2023 | Active | CO12 |
| S WARBURTON ELECTRICAL LTD | 43210 · electrical installation | 2024 | Active | CO12 |
| KINETIC RENEWABLES LTD | 43210 · electrical installation; 35110 | 2022 | Active | CO12 |
| DYNAMIX ELECTRICAL LIMITED | 43210 · electrical installation | 2021 | Active | CO12 |
| RUBY FIRE LIMITED | 43210 · electrical installation | 2014 | Active | CO12 |
| BETTER FIT SOLUTIONS LTD | 43290 · other construction installation | 2021 | Active | CO12 |
| HV OAKLEY MEADOWS SERVICES LIMITED | 43210 · electrical installation | 2024 | Active | CO12 |
| BIG M LTD | 43210 · electrical installation | 2016 | Active | CO12 |
Heat and planning around Harwich
In Harwich last summer (2026) there were ≈19 nights that stayed above 18 °C — 5 times the 1991–2020 average of 4.1 (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.
12% of sampled postcodes in Harwich sit in a conservation area (643 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.