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21 DEGREES C LIMITED: plumbing, heating and air-conditioning company in Castle Cary
21 DEGREES C LIMITED is an active limited company (no. 05934066), incorporated in 2006, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in BA7 (Castle Cary), and 18 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
18 similar companies within 10 km. Castle Cary
What homes around BA7 need
In BA7 last summer (2026) there were ≈5 nights that stayed above 18 °C — 7 times the 1991–2020 average of 0.7 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
27% of sampled postcodes in BA7 sit in a conservation area (on-record, 202 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 |
|---|---|---|---|
| MCH INSTALLATIONS LIMITED | 05797065 | BA7 | under 0.1 km |
| KEVAN DAVIS PLUMBING & HEATING LTD | 06010987 | BA7 | ≈0.2 km |
| BART MECHANICAL SERVICES LIMITED | 06188438 | BA7 | ≈0.2 km |
| SIMON MESSENGER PLUMBING & HEATING LTD | 08412230 | BA7 | ≈0.2 km |
| MARK FERRETT PLUMBING AND HEATING LTD | 09602927 | BA7 | ≈0.2 km |
| GBHEATINGTECH LTD | 14497330 | BA7 | ≈0.2 km |
| COMBI CARE AND REPAIR LTD | 07090914 | BA22 | ≈4.1 km |
| COMBI CARE AND REPAIR - JAMES MASON LTD | 16461116 | BA22 | ≈4.1 km |
| COMBI CARE AND REPAIR - OLLIE GIBSON LTD | 16461168 | BA22 | ≈4.1 km |
| BROOMFIELD HEATING & PLUMBING LIMITED | 10959213 | BA4 | ≈4.8 km |
Company record
| Field | Value |
|---|---|
| Company number | 05934066 |
| Name | 21 DEGREES C LIMITED |
| Status | Active |
| Incorporated | 13 Sep 2006 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | BA7 7BD |
| Outcode | BA7 |
| 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 05934066 |
Companies House record: 21 DEGREES C LIMITED, company 05934066, 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.