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CASTLE MECHANICAL SERVICES LTD: plumbing, heating and air-conditioning company in Caerphilly
CASTLE MECHANICAL SERVICES LTD is an active limited company (no. 10339198), incorporated in 2016, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in CF83 (Caerphilly), and 239 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
239 similar companies within 10 km. Caerphilly
What homes around CF83 need
In CF83 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).
0% of sampled postcodes in CF83 sit in a conservation area (on-record, 1,208 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 |
|---|---|---|---|
| TOTAL COOLING SERVICES LTD | 09648997 | CF83 | ≈0.4 km |
| MARC NASH PLUMBING & HEATING LTD | 14579657 | CF83 | ≈0.7 km |
| HYDRA PLUMBING LTD | 16681327 | CF83 | ≈0.9 km |
| PETERSON PLUMBING AND HEATING LIMITED | 17100206 | CF83 | ≈0.9 km |
| FLARE HEATING LTD | 16335040 | CF83 | ≈0.9 km |
| DNA HEATING LIMITED | 04891688 | CF83 | ≈1.0 km |
| DOMINIC JONES HEATING LTD | 12898348 | CF83 | ≈1.1 km |
| CHAD GREENWAY HEATING LTD | 14802243 | CF83 | ≈1.1 km |
| COSY HEATING LTD | 08445002 | CF83 | ≈1.1 km |
| PRO-TECT PLUMBING & BATHROOMS LTD | 16989499 | CF83 | ≈1.2 km |
Company record
| Field | Value |
|---|---|
| Company number | 10339198 |
| Name | CASTLE MECHANICAL SERVICES LTD |
| Status | Active |
| Incorporated | 22 Aug 2016 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | CF83 1PG |
| Outcode | CF83 |
| 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 10339198 |
Companies House record: CASTLE MECHANICAL SERVICES LTD, company 10339198, 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.