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SW1X: plumbing, heating and air-conditioning companies in London
SW1X (London) has 1 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 5 electrical and other installation companies (Companies House, 1 Sep 2026); 0 are MCS-certified for air-to-air yet. If the summer is the question, SW1X had ≈12 nights above 18 °C in 2026 (8 times the 1991–2020 average of 1.6).
SW1X
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FERDUN MGMT LTD, incorporated 2019, status Active - Proposal to Strike off.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| FERDUN MGMT LTD | 2019 | Active - Proposal to Strike off | SW1X |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| NINA HOSPITALITY LTD | 43290 · other construction installation; 31020; 33200; 96090 | 2025 | Active | SW1X |
| NOVALUX ENTERPRISE LTD | 43210 · electrical installation; 41100; 42220; 43120 | 2022 | Active | SW1X |
| PRIME SMITH ESTATES LTD | 43290 · other construction installation; 43310; 43341; 68320 | 2019 | Active - Proposal to Strike off | SW1X |
| TRUSTNEST GROUP LIMITED | 43290 · other construction installation; 43999; 96090 | 2024 | Active | SW1X |
| ZS ELECTRICAL INSTALLATION LTD | 43210 · electrical installation; 46900 | 2019 | Active - Proposal to Strike off | SW1X |
What homes around SW1X need
In SW1X last summer (2026) there were ≈12 nights that stayed above 18 °C — 8 times the 1991–2020 average of 1.6 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
84% of sampled postcodes in SW1X sit in a conservation area (on-record, 400 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).
Companies House snapshot 1 Sep 2026, 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. Hot nights: ERA5-ARCO for SW1X, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in SW1X, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in SW1X, with that district's hot nights and planning rule.