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MARINER PLUMBING LTD: plumbing, heating and air-conditioning company in Southampton
MARINER PLUMBING LTD is an active limited company with a proposal to strike off (no. 11083222), incorporated in 2017, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in SO17 (Southampton), and 445 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 - Proposal to Strike off
Within 10 km
445 similar companies within 10 km. Southampton
What homes around SO17 need
In SO17 last summer (2026) there were ≈8 nights that stayed above 18 °C — 7 times the 1991–2020 average of 1.2 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
14% of sampled postcodes in SO17 sit in a conservation area (on-record, 441 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 |
|---|---|---|---|
| GRIDPAY NETWORKS LTD | 16636181 | SO17 | ≈0.6 km |
| TTCA SERVICES LIMITED | 11342157 | SO17 | ≈0.6 km |
| DESIGNING AND BUILDING LIMITED | 17003962 | SO17 | ≈0.6 km |
| MACH CARGO LTD | 10366590 | SO14 | ≈1.1 km |
| D JONES PLUMBING AND HEATING LIMITED | 08924994 | SO14 | ≈1.2 km |
| 4MC SERVICES LTD | 12208507 | SO14 | ≈1.2 km |
| A1 COMPLETE PLUMBING & HEATING LTD | 06272295 | SO14 | ≈1.3 km |
| A J L MECHANICAL LTD | 10500939 | SO14 | ≈1.3 km |
| T AIR LTD | 12678029 | SO14 | ≈1.3 km |
| J.GULLIVER PLUMBING AND HEATING LIMITED | 15392039 | SO14 | ≈1.3 km |
Company record
| Field | Value |
|---|---|
| Company number | 11083222 |
| Name | MARINER PLUMBING LTD |
| Status | Active - Proposal to Strike off |
| Incorporated | 27 Nov 2017 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | SO17 1RH |
| Outcode | SO17 |
| 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 11083222 |
Companies House record: MARINER PLUMBING LTD, company 11083222, status Active - Proposal to Strike off, 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.