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WATER SWAN SYSTEM LTD: plumbing, heating and air-conditioning company in London
WATER SWAN SYSTEM LTD is an active limited company (no. 17392458), incorporated in 2026, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in N18 (London), and 2,538 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
2,538 similar companies within 10 km. London
What homes around N18 need
In N18 last summer (2026) there were ≈10 nights that stayed above 18 °C — 5 times the 1991–2020 average of 1.9 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
3% of sampled postcodes in N18 sit in a conservation area (on-record, 548 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 |
|---|---|---|---|
| FNPLUMBING LTD | 16591896 | N18 | ≈0.2 km |
| THE WATER MAN PLUMBING LTD | 16004200 | N18 | ≈0.3 km |
| G.P.H PLUMBING LTD | 11530690 | N18 | ≈0.3 km |
| BUBBLE LEVEL LTD | 11933619 | N18 | ≈0.3 km |
| NO PRESSURE HEATING SOLUTIONS LIMITED | 16663978 | N18 | ≈0.4 km |
| MARTA PLUMBING LIMITED | 14508483 | N18 | ≈0.5 km |
| ECO REPAIR SERVICES LIMITED | 16782165 | N18 | ≈0.5 km |
| DAG INSTALLATION LTD | 13085283 | N18 | ≈0.5 km |
| O2 PLUS LIMITED | 06176462 | N18 | ≈0.6 km |
| RLJ PLUMBING LTD | 17118437 | N9 | ≈0.6 km |
Company record
| Field | Value |
|---|---|
| Company number | 17392458 |
| Name | WATER SWAN SYSTEM LTD |
| Status | Active |
| Incorporated | 11 Aug 2026 |
| SIC | 43220 · plumbing, heat and air-conditioning installation; 33190; 47910; 95220 |
| Registered office postcode | N18 2UD |
| Outcode | N18 |
| 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 17392458 |
Companies House record: WATER SWAN SYSTEM LTD, company 17392458, 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.