Home / Installers / Ystrad Meurig
J MCMULLAN PLUMBING & HEATING LTD: plumbing, heating and air-conditioning company in Ystrad Meurig
J MCMULLAN PLUMBING & HEATING LTD is an active limited company (no. 15362024), incorporated in 2023, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in SY25 (Ystrad Meurig), and 2 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
2 similar companies within 10 km. Ystrad Meurig
What homes around SY25 need
In SY25 last summer (2026) there were ≈3 nights that stayed above 18 °C — 9 times the 1991–2020 average of 0.3 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
13% of sampled postcodes in SY25 sit in a conservation area (on-record, 218 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).
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 |
|---|---|---|---|
| SPIRAL PLUMBING AND HEATING LIMITED | 10482590 | SY23 | ≈3.4 km |
| EVANS HEATING LTD | 14407565 | SY23 | ≈7.6 km |
| MR FIXIT HEATING LTD | 14470266 | SY23 | ≈10.8 km |
| ABER STOVES & FLUES LIMITED | 07590897 | SY23 | ≈12.0 km |
| MEP-WALES LTD | 14884914 | SY23 | ≈12.4 km |
| M P EVANS PLUMBING LTD | 14483607 | SY23 | ≈12.7 km |
| R HAYWOOD PLUMBING & HEATING LIMITED | 07374200 | SY23 | ≈15.1 km |
| CROSSWOOD PROPERTY SERVICES LIMITED | 06005544 | SY23 | ≈15.8 km |
| ABER HEATING ENGINEER'S LTD | 07900404 | SY23 | ≈15.8 km |
| M DAVIES PLUMBING & HEATING LTD | 10051376 | SY23 | ≈15.8 km |
Company record
| Field | Value |
|---|---|
| Company number | 15362024 |
| Name | J MCMULLAN PLUMBING & HEATING LTD |
| Status | Active |
| Incorporated | 19 Dec 2023 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | SY25 6DG |
| Outcode | SY25 |
| Nation | Wales |
| 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 15362024 |
Companies House record: J MCMULLAN PLUMBING & HEATING LTD, company 15362024, 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.