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WATERSIDE PLUMBING AND HEATING LIMITED: plumbing, heating and air-conditioning company in Southampton
WATERSIDE PLUMBING AND HEATING LIMITED is an active limited company (no. 04675112), incorporated in 2003, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in SO45 (Southampton), and 295 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
295 similar companies within 10 km. Southampton
What homes around SO45 need
In SO45 last summer (2026) there were ≈26 nights that stayed above 18 °C — 10 times the 1991–2020 average of 2.6 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
2% of sampled postcodes in SO45 sit in a conservation area (on-record, 973 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 |
|---|---|---|---|
| TC MCCLATCHEY PLUMBING & HEATING LIMITED | 07721996 | SO45 | ≈1.3 km |
| FOREST PLUMBING & HEATING LIMITED | 08982624 | SO45 | ≈1.8 km |
| LARK@ROE LTD | 16450039 | SO45 | ≈1.8 km |
| GASNIER PLUMBING & HEATING LIMITED | 05734111 | SO45 | ≈2.1 km |
| POWA PLUMBING LTD | 14456843 | SO45 | ≈2.2 km |
| E IRONS GAS, PLUMBING AND HEATING LTD | 09657243 | SO45 | ≈2.2 km |
| 24/7 ELECTRICS LIMITED | 05235213 | SO40 | ≈2.4 km |
| JGM COMMERCIAL LTD | 14687834 | SO45 | ≈2.6 km |
| APHEX HOME INSTALLATIONS LIMITED | 07288523 | SO14 | ≈2.8 km |
| OURHEAT LIMITED | 09083862 | SO14 | ≈2.8 km |
Company record
| Field | Value |
|---|---|
| Company number | 04675112 |
| Name | WATERSIDE PLUMBING AND HEATING LIMITED |
| Status | Active |
| Incorporated | 21 Feb 2003 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | SO45 5TS |
| Outcode | SO45 |
| 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 04675112 |
Companies House record: WATERSIDE PLUMBING AND HEATING LIMITED, company 04675112, 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.