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DIAMOND HEATING & COOLING LIMITED: plumbing, heating and air-conditioning company in Fareham
DIAMOND HEATING & COOLING LIMITED is an active limited company (no. 14515184), incorporated in 2022, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in PO14 (Fareham), and 493 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
493 similar companies within 10 km. Fareham
What homes around PO14 need
In PO14 last summer (2026) there were ≈19 nights that stayed above 18 °C — 7 times the 1991–2020 average of 2.7 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
3% of sampled postcodes in PO14 sit in a conservation area (on-record, 1,035 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 |
|---|---|---|---|
| DIAMOND GREEN ENERGY LIMITED | 07512244 | PO14 | under 0.1 km |
| DIAMOND HOLDING GROUP LIMITED | 14515275 | PO14 | under 0.1 km |
| RJC (MECHANICAL) LTD | 09256256 | PO14 | ≈0.7 km |
| RJC REFRIGERATION & AIR CONDITIONING LTD | 11740924 | PO14 | ≈0.7 km |
| RJC TECHNICAL SERVICES LTD | 12015233 | PO14 | ≈0.7 km |
| TELCIUS LTD | 17380135 | PO14 | ≈1.1 km |
| EE ASHP LIMITED | 16463296 | PO16 | ≈1.1 km |
| JFCS REFRIGERATION LTD | 17280010 | PO13 | ≈1.2 km |
| ECO HOUSE SOLUTIONS LIMITED | 10612976 | PO16 | ≈1.2 km |
| GMC MECHANICAL LTD | 14886765 | PO13 | ≈1.2 km |
Company record
| Field | Value |
|---|---|
| Company number | 14515184 |
| Name | DIAMOND HEATING & COOLING LIMITED |
| Status | Active |
| Incorporated | 30 Nov 2022 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | PO14 1TP |
| Outcode | PO14 |
| 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 14515184 |
Companies House record: DIAMOND HEATING & COOLING LIMITED, company 14515184, 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.