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CO7: plumbing, heating and air-conditioning companies in Colchester
CO7 (Colchester) has 50 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 59 electrical and other installation companies (Companies House, 1 Sep 2026); 0 are MCS-certified for air-to-air yet. If the summer is the question, CO7 had ≈16 nights above 18 °C in 2026 (5 times the 1991–2020 average of 2.9).
CO7
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AIRCON ONE 24/7 LTD, incorporated 2025, status Active.
Plumbing, heating and air-conditioning companies
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| 71C LTD | 43210 · electrical installation; 43290 · other construction installation; 43320; 43330 | 2022 | Active - Proposal to Strike off | CO7 |
| A DEWAR LTD | 43210 · electrical installation | 2010 | Active | CO7 |
| A.G. TREMAIN LIMITED | 43290 · other construction installation | 1972 | Active | CO7 |
| ADL ELECTRICAL (UK) LIMITED | 43210 · electrical installation; 33140; 33170 | 2020 | Active | CO7 |
| ADVOCATE AG LIMITED | 43290 · other construction installation; 43342 | 2002 | Active | CO7 |
| AFFORDABLE RENEWABLE ENERGY UK LIMITED | 43290 · other construction installation | 2023 | Active | CO7 |
| BB CABLING LTD | 43290 · other construction installation | 2024 | Active | CO7 |
| BEDROCK POWER SOLUTIONS LIMITED | 43210 · electrical installation; 33120 | 2026 | Active | CO7 |
| BRIGHTLINGSEA ELECTRICAL CONTRACTORS LIMITED | 43210 · electrical installation | 2016 | Active | CO7 |
| BROHAM ENERGY LIMITED | 43210 · electrical installation | 2026 | Active | CO7 |
| BROWNS CONSTRUCTION & GROUNDWORKS LTD | 43290 · other construction installation; 41202; 81300 | 2024 | Active | CO7 |
| BYERS CABLING SOLUTIONS LTD | 43290 · other construction installation | 2025 | Active | CO7 |
| CABLETEQ LTD | 43210 · electrical installation | 2020 | Active | CO7 |
| CDM INSULATIONS LIMITED | 43290 · other construction installation | 2007 | Active | CO7 |
| CRANMER INSTALLATIONS LTD | 43210 · electrical installation | 2015 | Active | CO7 |
| D HALL ELECTRICAL LTD | 43210 · electrical installation | 2017 | Active | CO7 |
| D J BAKER & SONS CONTRACTS LTD | 43210 · electrical installation | 2018 | Active | CO7 |
| DARREN TUCKER INSULATION LTD | 43290 · other construction installation | 2003 | Active | CO7 |
| DAVID MANN LTD | 43210 · electrical installation | 2014 | Active | CO7 |
| ELECTRIC MEDIC LIMITED | 43210 · electrical installation | 2022 | Active | CO7 |
| ENERGYCARE GLOBAL LTD | 43210 · electrical installation; 81229 | 2022 | Active | CO7 |
| ENVIRA IMPROVEMENTS LTD | 43210 · electrical installation | 2024 | Active | CO7 |
| FRANKWOOD PROPERTY MAINTENANCE LTD | 43290 · other construction installation; 39000; 96090 | 2019 | Active | CO7 |
| FRINTON TARMACADAM AND PAVING LIMITED | 43290 · other construction installation | 1997 | Active | CO7 |
| GARY JOBBER WOODWORKING & CONSTRUCTION LTD | 43290 · other construction installation | 2013 | Active | CO7 |
| GILES & GILES CONTRACTORS LIMITED | 43210 · electrical installation; 33150; 41202 | 2014 | Active | CO7 |
| GPL ELECTRICAL SERVICES LIMITED | 43210 · electrical installation | 2007 | Active | CO7 |
| HALL BROTHERS OF COLCHESTER LIMITED | 43290 · other construction installation; 41202; 43320 | 1966 | Active | CO7 |
| HANDLEY INSTALLATIONS LIMITED | 43290 · other construction installation | 2017 | Active | CO7 |
| HAWKSMOOR CONSTRUCTION SERVICES LIMITED | 43290 · other construction installation; 43390 | 2007 | Active | CO7 |
| HOMERENO UK LIMITED | 43290 · other construction installation; 41202; 43390; 43999 | 2025 | Active | CO7 |
| INDUSTRIAL DOORS EAST ANGLIA LTD | 43290 · other construction installation; 43999 | 2025 | Active | CO7 |
| JENNINGS & STOLLERY LIMITED | 43210 · electrical installation | 2003 | Active - Proposal to Strike off | CO7 |
| JOVIS LIMITED | 43290 · other construction installation; 81210; 81221; 81300 | 2004 | Active | CO7 |
| KEVI LTD | 43210 · electrical installation | 2023 | Active | CO7 |
| LED ELECTRICAL GROUP LIMITED | 43210 · electrical installation | 2012 | Active | CO7 |
| LEWIS MURPHY LIMITED | 43210 · electrical installation | 2016 | Active - Proposal to Strike off | CO7 |
| M RAYMOND ELECTRICAL LTD | 43210 · electrical installation | 2010 | Active | CO7 |
| MCBS ELECTRICAL LIMITED | 43210 · electrical installation | 2007 | Active | CO7 |
| MITCHELL'S INTERIORS LTD | 43290 · other construction installation; 47599 | 2023 | Active | CO7 |
| OCTOPUS FIRESTOP LTD | 43210 · electrical installation; 84250 | 2025 | Active | CO7 |
| ORIENT ENERGY INDUSTRIAL LIMITED | 43210 · electrical installation; 35120; 35130; 35140 | 2011 | Active | CO7 |
| ORTON & WENLOCK LIMITED | 43210 · electrical installation | 2011 | Liquidation | CO7 |
| PROFESSIONAL ELECTRICAL CONTRACTORS (PRO-LEC) LIMITED | 43210 · electrical installation | 2015 | Active | CO7 |
| S HARE ELECTRICAL LTD | 43210 · electrical installation | 2008 | Active | CO7 |
| S J MATTOCK ELECTRICAL LTD | 43210 · electrical installation | 2024 | Active | CO7 |
| SAM'S ELECTRICS LTD | 43210 · electrical installation | 2016 | Active | CO7 |
| SPENCE ELEC LIMITED | 43210 · electrical installation | 2016 | Active | CO7 |
| STOUR WINDOWS LIMITED | 43290 · other construction installation; 43342 | 1982 | Active | CO7 |
| SURYA SOLAR LIMITED | 43210 · electrical installation | 2010 | Active | CO7 |
| THE BIG BLUE VAN LIMITED | 43290 · other construction installation | 2004 | Active | CO7 |
| THE EXTENSION COMPANY LIMITED | 43290 · other construction installation | 1999 | Active | CO7 |
| TLS UTILITIES LTD | 43290 · other construction installation | 2024 | Active | CO7 |
| TRINITY ELECTRICS LIMITED | 43210 · electrical installation | 2014 | Active | CO7 |
| UTILITY INSTALLATION PROJECTS LIMITED | 43210 · electrical installation; 42220; 42910; 42990 | 2002 | Active | CO7 |
| VENTWORX LTD | 43290 · other construction installation | 2010 | Active | CO7 |
| W HUNT SERVICES LIMITED | 43290 · other construction installation | 2024 | Active | CO7 |
| WILKS PROPERTY MAINTENANCE LIMITED | 43290 · other construction installation; 43390; 81100; 81210 | 2026 | Active | CO7 |
| WSW LIGHTS,VISIONS & SOUNDS LTD | 43210 · electrical installation; 45200 | 2024 | Active | CO7 |
What homes around CO7 need
In CO7 last summer (2026) there were ≈16 nights that stayed above 18 °C — 5 times the 1991–2020 average of 2.9 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
14% of sampled postcodes in CO7 sit in a conservation area (on-record, 1,341 live postcodes).
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 for CO7, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in CO7, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in CO7, with that district's hot nights and planning rule.