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STEF & KO LTD: plumbing, heating and air-conditioning company in London
STEF & KO LTD is an active limited company (no. 15633381), incorporated in 2024, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in W10 (London), and 3,503 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
3,503 similar companies within 10 km. London
What homes around W10 need
In W10 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).
36% of sampled postcodes in W10 sit in a conservation area (on-record, 691 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 |
|---|---|---|---|
| PROFICIENT GAS LTD | 13296951 | W11 | ≈0.5 km |
| FEELING HOT HOT HOT LIMITED | 08990446 | W11 | ≈0.6 km |
| MAXIMUM GAS LTD | 14782893 | W12 | ≈0.7 km |
| VP ASTIA LTD | 17138412 | W11 | ≈0.7 km |
| SAFER GAS CONTRACTORS LIMITED | 10353101 | W10 | ≈0.8 km |
| STAUNCH AND FLOW LIMITED | 04787903 | W10 | ≈0.8 km |
| VORIZON CAN SALES LTD | 17123792 | W11 | ≈0.8 km |
| BUILDING EMP LIMITED | 12426513 | W10 | ≈0.8 km |
| SIMPLY FILTERED LTD | 13420477 | W11 | ≈0.9 km |
| W11 PLUMBING AND HEATING SUPPLIES LTD | 16730009 | W11 | ≈0.9 km |
Company record
| Field | Value |
|---|---|
| Company number | 15633381 |
| Name | STEF & KO LTD |
| Status | Active |
| Incorporated | 10 Apr 2024 |
| SIC | 43220 · plumbing, heat and air-conditioning installation; 43390; 68100; 68209 |
| Registered office postcode | W10 6NE |
| Outcode | W10 |
| 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 15633381 |
Companies House record: STEF & KO LTD, company 15633381, 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.