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CF11: plumbing, heating and air-conditioning companies in Cardiff
CF11 (Cardiff) has 23 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 42 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, CF11 had ≈10 nights above 18 °C in 2026 (14 times the 1991–2020 average of 0.7).
CF11
Open a company
ANDERSON & LEONARD LTD, incorporated 2003, status Active.
Plumbing, heating and air-conditioning companies
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| 12 ELECTRICAL & EMERGENCY ELECTRICIAN LTD | 43210 · electrical installation | 2025 | Active | CF11 |
| A LEWIS ELECTRICAL LIMITED | 43210 · electrical installation | 2017 | Active - Proposal to Strike off | CF11 |
| AW MILLER LIMITED | 43290 · other construction installation; 41201; 41202 | 2022 | Active | CF11 |
| AWEN FUTURES LTD | 43210 · electrical installation; 02100; 62020 | 2025 | Active | CF11 |
| AYAZ DEVELOPMENTS LIMITED | 43290 · other construction installation; 43390 | 2024 | Active | CF11 |
| BEXENDALE LIMITED | 43290 · other construction installation; 43390; 43999; 46900 | 2024 | Active | CF11 |
| CAG ELECTRICAL LTD | 43210 · electrical installation | 2020 | Active | CF11 |
| CBI INTERIORS LIMITED | 43290 · other construction installation | 2017 | Active | CF11 |
| CELTIC DEVELOPMENTS LTD | 43290 · other construction installation; 41201; 41202 | 2019 | Active | CF11 |
| CNC CARDIFF LTD | 43290 · other construction installation | 2021 | Active | CF11 |
| COLDSTREAM AIR CONDITIONING LIMITED | 43210 · electrical installation | 1998 | Liquidation | CF11 |
| CONNECT ELECTRICAL INSTALLATIONS LIMITED | 43210 · electrical installation | 2012 | Active | CF11 |
| CONSILIO CONSTRUCTION AND ARCHITECTURE LTD | 43290 · other construction installation | 2020 | Active | CF11 |
| CONSTRUCTION EXPERTS LIMITED | 43210 · electrical installation; 43110; 43390; 43999 | 2017 | Active - Proposal to Strike off | CF11 |
| DELTA ELECTRIC LIMITED | 43210 · electrical installation | 2023 | Active | CF11 |
| EBIKECHARGINGSOCKETS.UK LIMITED | 43210 · electrical installation | 2022 | Active | CF11 |
| ELECTRICALL SOUTH WALES LIMITED | 43210 · electrical installation | 2019 | Active | CF11 |
| FLAWLESS FINISH INSTALLATIONS LTD | 43290 · other construction installation | 2024 | Active | CF11 |
| JAC J CONSTRUCTION LIMITED | 43290 · other construction installation | 2019 | Active - Proposal to Strike off | CF11 |
| JOHNSON'S FACILITIES MANAGEMENT LTD | 43210 · electrical installation; 82990 | 2023 | Active | CF11 |
| LARAYZ ELECTRICAL LIMITED | 43210 · electrical installation; 33140 | 2026 | Active | CF11 |
| LIGHTWORK ELEC LTD | 43210 · electrical installation | 2025 | Active | CF11 |
| LIMEGREEN ELECTRICAL & RENEWABLES LTD | 43210 · electrical installation | 2024 | Active | CF11 |
| LOFT-INS-SPACE LIMITED | 43290 · other construction installation | 2020 | Active | CF11 |
| LUXE DAMP PROOFING LTD | 43290 · other construction installation; 43310 | 2025 | Active | CF11 |
| MEGA ELECTRICAL SOLUTIONS LTD | 43210 · electrical installation | 2024 | Active | CF11 |
| MH INDUSTRIAL AUTOMATION LTD | 43210 · electrical installation; 26512; 71121 | 2025 | Active | CF11 |
| MPS-LIGHTING LTD. | 43210 · electrical installation; 59120 | 2020 | Active | CF11 |
| NATIONWIDE INSULATION CONTRACTS LTD | 43290 · other construction installation | 2023 | Active | CF11 |
| PROTEM LIGHTING LIMITED | 43210 · electrical installation; 90020 | 2021 | Active | CF11 |
| R F BUILDING & UTILITIES LTD | 43290 · other construction installation; 41100; 41201; 41202 | 2020 | Active | CF11 |
| RADIUS CONTRACTING LIMITED | 43210 · electrical installation; 61100 | 2012 | Active | CF11 |
| REYNOLDS ELECTRICAL SOLUTIONS LTD | 43210 · electrical installation | 2025 | Active | CF11 |
| ROGANCORP LTD | 43210 · electrical installation | 2023 | Active - Proposal to Strike off | CF11 |
| S GALEA ELECTRICAL LTD | 43210 · electrical installation | 2014 | Active - Proposal to Strike off | CF11 |
| SEE WHAT WE CAN MAKE LTD | 43290 · other construction installation | 2020 | Active | CF11 |
| SJAD ELECTRICAL LTD | 43210 · electrical installation | 2017 | Active | CF11 |
| STONE VALLEY WINDOWS LTD | 43290 · other construction installation | 2021 | Active | CF11 |
| T&B ELECTRICAL SOLUTIONS LIMITED | 43210 · electrical installation | 2005 | Active | CF11 |
| TEON ELECTRICAL LTD | 43210 · electrical installation; 43290 · other construction installation; 33140 | 2026 | Active | CF11 |
| TREGANNA ELECTRICAL LTD | 43210 · electrical installation | 2021 | Active | CF11 |
| VERTEX STRUCTURE LIMITED | 43290 · other construction installation | 2025 | Active - Proposal to Strike off | CF11 |
What homes around CF11 need
In CF11 last summer (2026) there were ≈10 nights that stayed above 18 °C — 14 times the 1991–2020 average of 0.7 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
11% of sampled postcodes in CF11 sit in a conservation area (on-record, 869 live postcodes).
In Wales 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 CF11, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in CF11, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in CF11, with that district's hot nights and planning rule.