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OCO LIMITED: plumbing, heating and air-conditioning company in Dartford
OCO LIMITED is an active limited company (no. 01418006), incorporated in 1979, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in DA1 (Dartford), and 936 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
936 similar companies within 10 km. Dartford
What homes around DA1 need
In DA1 last summer (2026) there were ≈10 nights that stayed above 18 °C — 4 times the 1991–2020 average of 2.3 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
4% of sampled postcodes in DA1 sit in a conservation area (on-record, 1,264 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 |
|---|---|---|---|
| VITECH SERVICES LIMITED | 10940016 | DA1 | ≈0.1 km |
| GREEN PLANET PLUMBING & HEATING LIMITED | 06404053 | DA1 | ≈0.2 km |
| CNB GAS AND PLUMBING SERVICES LIMITED | 08472647 | DA1 | ≈0.2 km |
| MOMENTUM BUILDING SERVICES ENGINEERING LIMITED | 10507881 | DA1 | ≈0.2 km |
| BULLA VENTILATION LTD | 10858931 | DA1 | ≈0.2 km |
| COOL GUYS AIR CONDITIONING LTD | 11285625 | DA1 | ≈0.2 km |
| KENT FIRE ENGINEERING LIMITED | 11335967 | DA1 | ≈0.2 km |
| CHUBB HEATING SOUTH EAST LTD | 11431810 | DA1 | ≈0.2 km |
| LINCOLN PLUMBING SERVICES LTD | 11534867 | DA1 | ≈0.2 km |
| AV VENTILATION LTD | 11645175 | DA1 | ≈0.2 km |
Company record
| Field | Value |
|---|---|
| Company number | 01418006 |
| Name | OCO LIMITED |
| Status | Active |
| Incorporated | 8 May 1979 |
| SIC | 43220 · plumbing, heat and air-conditioning installation; 43210 · electrical installation |
| Registered office postcode | DA1 2AU |
| Outcode | DA1 |
| 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 01418006 |
Companies House record: OCO LIMITED, company 01418006, 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.