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RJ HEATING GAS LTD: plumbing, heating and air-conditioning company in Cardiff
RJ HEATING GAS LTD is an active limited company (no. 14191690), incorporated in 2022, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in CF15 (Cardiff), and 271 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
271 similar companies within 10 km. Cardiff
What homes around CF15 need
In CF15 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).
7% of sampled postcodes in CF15 sit in a conservation area (on-record, 512 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 |
|---|---|---|---|
| ATLANTIC VENTILATION LIMITED | 07766998 | CF15 | ≈0.1 km |
| GRC PLUMBING AND HEATING (CARDIFF) LTD | 15561626 | CF15 | ≈0.4 km |
| JPW HEATING SERVICES LIMITED | 11851686 | CF15 | ≈0.9 km |
| TPF PLUMBING & HEATING LIMITED | 08870537 | CF15 | ≈1.1 km |
| DECORATIVE HEATING LIMITED | 04804011 | CF15 | ≈1.2 km |
| DECO HEAT LTD | 14865456 | CF15 | ≈1.2 km |
| COLLINGWOOD PLUMBING LTD | 17165355 | CF5 | ≈1.6 km |
| NEWYDD MAINTENANCE LIMITED | 11247771 | CF15 | ≈1.9 km |
| GASPARK HEATING SOLUTIONS LTD | 13883480 | CF5 | ≈1.9 km |
| PLUSH HEATING AND PLUMBING LTD | 14592303 | CF14 | ≈1.9 km |
Company record
| Field | Value |
|---|---|
| Company number | 14191690 |
| Name | RJ HEATING GAS LTD |
| Status | Active |
| Incorporated | 23 Jun 2022 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | CF15 8FA |
| Outcode | CF15 |
| 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 14191690 |
Companies House record: RJ HEATING GAS LTD, company 14191690, 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.