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BARNETT PLUMBING AND HEATING LIMITED: plumbing, heating and air-conditioning company in Southampton
BARNETT PLUMBING AND HEATING LIMITED is an active limited company (no. 05057081), incorporated in 2004, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in SO30 (Southampton), and 458 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
458 similar companies within 10 km. Southampton
What homes around SO30 need
In SO30 last summer (2026) there were ≈7 nights that stayed above 18 °C — 5 times the 1991–2020 average of 1.3 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
3% of sampled postcodes in SO30 sit in a conservation area (on-record, 825 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 |
|---|---|---|---|
| JX PLUMBING LIMITED | 11269030 | SO30 | ≈0.5 km |
| J. & D. HUMPHREY LIMITED | 04571807 | SO30 | ≈0.5 km |
| GASTEC HEATING LTD | 11811806 | SO30 | ≈0.6 km |
| ELITE AIR HANDLING UNIT & HEAT EXCHANGER SPECIALISTS LTD | 12798429 | SO30 | ≈0.7 km |
| R WILSON SERVICES LIMITED | 04946429 | SO30 | ≈0.7 km |
| AFTERGLOW HEATING LIMITED | 11077090 | SO30 | ≈0.9 km |
| CEI ELECTRICAL SERVICES LTD | 14182998 | SO30 | ≈0.9 km |
| ANGEL'S PLUMBING LTD | 12159315 | SO30 | ≈1.1 km |
| WEST GAS HEATING SERVICES LTD | 12090995 | SO30 | ≈1.1 km |
| DMP PLUMBING & HEATING LIMITED | 11151418 | SO30 | ≈1.2 km |
Company record
| Field | Value |
|---|---|
| Company number | 05057081 |
| Name | BARNETT PLUMBING AND HEATING LIMITED |
| Status | Active |
| Incorporated | 26 Feb 2004 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | SO30 4QZ |
| Outcode | SO30 |
| 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 05057081 |
Companies House record: BARNETT PLUMBING AND HEATING LIMITED, company 05057081, 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.