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DN12: plumbing, heating and air-conditioning companies in Doncaster
DN12 (Doncaster) has 10 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 23 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, DN12 had ≈6 nights above 18 °C in 2026 (12 times the 1991–2020 average of 0.5).
These are companies registered with Companies House for plumbing, heating and air-conditioning work (SIC 43220). None is MCS-certified for air-to-air heat pumps yet (MCS, checked 25 Sep 2026). Check the installer's F-Gas certificate before you hire. Search REFCOM, Quidos, Stroma.
DN12
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WARMAFLOOR (GB) LIMITED, incorporated 1995, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| WARMAFLOOR (GB) LIMITED | 1995 | Active | DN12 |
| DEARNE PROJECTS LTD | 2007 | Active | DN12 |
| PAUL FARR LTD | 2013 | Active | DN12 |
| MAINTENANCE PLUMBING AND GAS LTD | 2016 | Active | DN12 |
| ABAP PLUMBING LTD | 2022 | Active | DN12 |
| M.E.E.P INSTALLATIONS LTD | 2023 | Active | DN12 |
| SMP PLUMBING & HEATING LTD | 2024 | Active | DN12 |
| ELEMENT GROUP HOLDINGS LIMITED | 2025 | Active | DN12 |
| S.A. GAS HEATING&PLUMBING LTD | 2025 | Active | DN12 |
| DMT CLIMATE SOLUTIONS LTD | 2026 | Active | DN12 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| EXTRUDAKERB INTERNATIONAL LIMITED | 43290 · other construction installation | 1990 | Active | DN12 |
| HAWLEYS ELECTRICAL LIMITED | 43210 · electrical installation | 2012 | Active | DN12 |
| IGLOO SURFACES LIMITED | 43290 · other construction installation | 2012 | Active | DN12 |
| A A MACHIN ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2016 | Active | DN12 |
| RENEW ACCESS & SECURITY LTD | 43210 · electrical installation | 2017 | Active | DN12 |
| HILLSIDE ELECTRICAL (NORTHERN) LIMITED | 43210 · electrical installation; 33140 | 2018 | Active | DN12 |
| DANUM FIRE SYSTEMS LIMITED | 43290 · other construction installation | 2018 | Active | DN12 |
| ACCESS-COMMS LTD | 43210 · electrical installation; 43290 · other construction installation | 2020 | Active | DN12 |
| FUTURE ELECTRICAL & RENEWABLES LTD | 43210 · electrical installation | 2021 | Active | DN12 |
| NORTHERN POWER PROJECTS LTD | 43210 · electrical installation | 2021 | Active | DN12 |
| HPS DAMP PROOFING LIMITED | 43290 · other construction installation | 2021 | Active | DN12 |
| IPL ELECTRICAL LTD | 43210 · electrical installation; 43390; 43999 | 2021 | Active | DN12 |
| TEMPLESTOWE ELECTRICAL LTD | 43210 · electrical installation | 2022 | Active | DN12 |
| SIGBOX LTD | 43290 · other construction installation | 2022 | Active | DN12 |
| EXTRUDAKERB LIMITED | 43290 · other construction installation | 2023 | Active | DN12 |
| B PETERS JOINERY LIMITED | 43290 · other construction installation; 43320 | 2024 | Active | DN12 |
| HTE ENGINEERING LTD | 43210 · electrical installation | 2025 | Active | DN12 |
| PERFECT WORK SHOP FITTERS LTD | 43290 · other construction installation | 2025 | Active | DN12 |
| VIRIDIAN ENERGY LTD | 43290 · other construction installation | 2026 | Active | DN12 |
| MAHON GLAZING & EXTERIORS LTD | 43290 · other construction installation; 43342 | 2026 | Active | DN12 |
| LA ELECTRICAL & COMMS LTD | 43210 · electrical installation; 33140 | 2026 | Active | DN12 |
| DNK RENEWABLES LIMITED | 43210 · electrical installation; 43910; 68209 | 2022 | Liquidation | DN12 |
| JONES ELECTRICAL & SECURITY LTD | 43210 · electrical installation | 2023 | Liquidation | DN12 |
What homes around DN12 need
In DN12 last summer (2026) there were ≈6 nights that stayed above 18 °C — 12 times the 1991–2020 average of 0.5 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
5% of sampled postcodes in DN12 sit in a conservation area (on-record, 630 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 DN12, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in DN12, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in DN12, with that district's hot nights and planning rule.
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