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SJW GAS SERVICES LIMITED: plumbing, heating and air-conditioning company in Southampton
SJW GAS SERVICES LIMITED is an active limited company (no. 11190424), incorporated in 2018, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in SO32 (Southampton), and 369 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
369 similar companies within 10 km. Southampton
What homes around SO32 need
In SO32 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).
9% of sampled postcodes in SO32 sit in a conservation area (on-record, 675 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 |
|---|---|---|---|
| BESPOKE GAS LTD | 09739590 | SO30 | ≈0.7 km |
| JAJ HEATING SERVICES LTD | 11342172 | SO30 | ≈1.2 km |
| GAS BRIGHT LIMITED | 13643908 | SO30 | ≈1.2 km |
| SUITABLE HEATING SOLUTIONS LIMITED | 07454795 | SO32 | ≈1.4 km |
| SJB HEATING & PLUMBING LTD | 10975652 | SO30 | ≈1.5 km |
| SPB PLUMBING LTD | 17169587 | SO32 | ≈1.6 km |
| SOL PLUMBING & HEATING SERVICES LTD | 11103636 | SO30 | ≈1.6 km |
| BG ELECTRICAL AND PLUMBING LIMITED | 16225579 | SO32 | ≈1.7 km |
| SET-POINT SERVICES LIMITED | 03742675 | SO32 | ≈2.4 km |
| MH3 PLUMBING AND HEATING (SOUTHERN) LIMITED | 09817046 | SO32 | ≈2.4 km |
Company record
| Field | Value |
|---|---|
| Company number | 11190424 |
| Name | SJW GAS SERVICES LIMITED |
| Status | Active |
| Incorporated | 6 Feb 2018 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | SO32 2DP |
| Outcode | SO32 |
| 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 11190424 |
Companies House record: SJW GAS SERVICES LIMITED, company 11190424, 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.