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GT UNDERFLOOR HEATING LIMITED: plumbing, heating and air-conditioning company in Cardiff
GT UNDERFLOOR HEATING LIMITED is an active limited company (no. 12703295), incorporated in 2020, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in CF14 (Cardiff), and 288 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
288 similar companies within 10 km. Cardiff
What homes around CF14 need
In CF14 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).
2% of sampled postcodes in CF14 sit in a conservation area (on-record, 1,661 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 |
|---|---|---|---|
| HEATCARE (CARDIFF) LTD | 08749684 | CF14 | ≈0.2 km |
| PLM PLUMBING & HEATING LTD. | 13023669 | CF14 | ≈0.4 km |
| FLOW PLUMBING AND HEATING LTD | 14586987 | CF14 | ≈0.6 km |
| MDB HEATING & SON LIMITED | 13610136 | CF14 | ≈0.6 km |
| NEATHEAT HEATING & PLUMBING LTD | 08545856 | CF14 | ≈0.8 km |
| E&O HEATING SOLUTIONS LTD | 15952331 | CF14 | ≈0.8 km |
| PLÖCHL LTD | 15277276 | CF14 | ≈0.8 km |
| IPLUMB CARDIFF LTD | 16583676 | CF14 | ≈1.0 km |
| RHIWBINA HEATING & PLUMBING LIMITED | 05427495 | CF14 | ≈1.0 km |
| MWH HEATING & PLUMBING LIMITED | 08870132 | CF14 | ≈1.1 km |
Company record
| Field | Value |
|---|---|
| Company number | 12703295 |
| Name | GT UNDERFLOOR HEATING LIMITED |
| Status | Active |
| Incorporated | 29 Jun 2020 |
| SIC | 43220 · plumbing, heat and air-conditioning installation; 46740 |
| Registered office postcode | CF14 5HJ |
| Outcode | CF14 |
| 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 12703295 |
Companies House record: GT UNDERFLOOR HEATING LIMITED, company 12703295, 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.