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MJ CAROLAN PLUMBING & HEATING LTD: plumbing, heating and air-conditioning company in West Yorkshire, Huddersfield
MJ CAROLAN PLUMBING & HEATING LTD is an active limited company (no. 11809155), incorporated in 2019, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in HD5 (West Yorkshire, Huddersfield), and 329 similar companies have a registered office within 10 km. If you need an MCS-certified air-to-air installer, MCS lists 0 installers certified for air-to-air heat pumps yet (checked 25 Sep 2026), so no company here can offer the £2,500 grant route today.
Active
Within 10 km
329 similar companies within 10 km. West Yorkshire, Huddersfield
What homes around HD5 need
In HD5 last summer (2026) there were ≈0 nights that stayed above 18 °C — below the 1991–2020 average of 0.1 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
4% of sampled postcodes in HD5 sit in a conservation area (on-record, 720 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).
Hot nights: ERA5-ARCO, June–August, minimum at or above 18 °C, 2026 against the 1991–2020 mean, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points, snapshot 25 Sep 2026. Noise limit from the decision contract, checked 25 Sep 2026.
Nearest similar companies
| Company | Number | District | Distance |
|---|---|---|---|
| HAIGH HEATING SERVICES LTD | 07454031 | HD5 | under 0.1 km |
| GREEN DEAL (NORTH) LTD | 08597566 | HD5 | under 0.1 km |
| MJC ECO-HEATING LTD | 08605505 | HD5 | under 0.1 km |
| SRB GAS SERVICES LTD | 09946759 | HD5 | under 0.1 km |
| RICHARD MERRICK LTD | 10915562 | HD5 | under 0.1 km |
| CROMWELL HEATING LTD | 14770693 | HD5 | under 0.1 km |
| PLUMBLES LTD | 14438691 | HD5 | ≈0.7 km |
| GASPECT LTD | 11112496 | HD5 | ≈0.8 km |
| BK PLUMBING AND HEATING SOLUTIONS LTD | 13309677 | HD5 | ≈1.1 km |
| HUDDERSFIELD GAS & PLUMBING LTD | 16364113 | HD5 | ≈1.1 km |
Company record
| Field | Value |
|---|---|
| Company number | 11809155 |
| Name | MJ CAROLAN PLUMBING & HEATING LTD |
| Status | Active |
| Incorporated | 6 Feb 2019 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | HD5 0AN |
| Outcode | HD5 |
| Nation | England |
| Air-to-air signal | not yet observed, checked 25 Sep 2026 |
| F-Gas | not yet observed, checked 25 Sep 2026 |
| MCS air-to-air | not yet observed, checked 25 Sep 2026 |
| Retrieved | 25 Sep 2026 |
| Dataset | https://download.companieshouse.gov.uk/BasicCompanyDataAsOneFile-2026-09-01.zip |
| Companies House page | Company 11809155 |
Companies House record: MJ CAROLAN PLUMBING & HEATING LTD, company 11809155, status Active, 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. Snapshot 1 Sep 2026, retrieved 25 Sep 2026. The 10 km count is equirectangular to 0.1 km. MCS air-to-air confirmed in this catalogue: 0, checked 25 Sep 2026.
Better than a reviews catalogue: the Companies House record, the district hot-night count and the MCS air-to-air observation are on one page.