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INTERLOCK PLUMBING & HEATING LIMITED: plumbing, heating and air-conditioning company in Longfield
INTERLOCK PLUMBING & HEATING LIMITED is an active limited company (no. 17379037), incorporated in 2026, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in DA3 (Longfield), and 323 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
323 similar companies within 10 km. Longfield
What homes around DA3 need
In DA3 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).
0% of sampled postcodes in DA3 sit in a conservation area (no-record-uncertain, 354 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 |
|---|---|---|---|
| A T INSTALLATIONS (2026) LIMITED | 17421459 | DA3 | under 0.1 km |
| SP SERVICES (KENT) LTD | 16618911 | DA3 | ≈0.3 km |
| STUART BALDWIN LIMITED | 08272975 | DA3 | ≈0.4 km |
| HJB PLUMBING SERVICES LIMITED | 16886965 | DA3 | ≈0.4 km |
| O G F PLUMBING AND GAS LTD | 16398619 | DA3 | ≈0.6 km |
| MYERS MAINTENANCE LTD | 11819955 | DA3 | ≈0.7 km |
| CHAMELEON BATHROOMS AND TILING LTD | 10019172 | DA3 | ≈0.9 km |
| FRAM GAS LIMITED | 16018258 | DA3 | ≈1.5 km |
| ACE DUCTWORK LTD | 17093407 | DA3 | ≈1.5 km |
| ARGONAUT GROUP LTD | 16590754 | DA3 | ≈1.9 km |
Company record
| Field | Value |
|---|---|
| Company number | 17379037 |
| Name | INTERLOCK PLUMBING & HEATING LIMITED |
| Status | Active |
| Incorporated | 4 Aug 2026 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | DA3 8HP |
| Outcode | DA3 |
| 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 17379037 |
Companies House record: INTERLOCK PLUMBING & HEATING LIMITED, company 17379037, 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.