Home / Installers / Berkhamsted
J LOCKE SERVICES LTD: plumbing, heating and air-conditioning company in Berkhamsted
J LOCKE SERVICES LTD is an active limited company (no. 14165032), incorporated in 2022, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in HP4 (Berkhamsted), and 221 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
221 similar companies within 10 km. Berkhamsted
What homes around HP4 need
In HP4 last summer (2026) there were ≈10 nights that stayed above 18 °C — 8 times the 1991–2020 average of 1.3 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
31% of sampled postcodes in HP4 sit in a conservation area (on-record, 737 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 |
|---|---|---|---|
| FASTFLOW HEATING SOLUTIONS LTD | 11752153 | HP4 | under 0.1 km |
| ELEMENT HOME SERVICES LTD | 14321522 | HP4 | under 0.1 km |
| HEATCO HERTS & BEDS LIMITED | 14938406 | HP4 | under 0.1 km |
| SOC PLUMBING & HEATING LTD | 16953095 | HP4 | under 0.1 km |
| R G PARROTT LIMITED | 04114980 | HP4 | ≈0.3 km |
| A B W SERVICES LIMITED | 05296425 | HP4 | ≈0.3 km |
| FULL HOUSE PROPERTY MAINTENANCE LTD | 07525693 | HP4 | ≈0.5 km |
| QUALIFIX INSTALLATIONS J.C LTD | 15625180 | HP4 | ≈0.7 km |
| RKW PLUMBING AND HEATING LIMITED | 07785702 | HP4 | ≈0.8 km |
| L K POWER HEATING LIMITED | 09265092 | HP4 | ≈0.9 km |
Company record
| Field | Value |
|---|---|
| Company number | 14165032 |
| Name | J LOCKE SERVICES LTD |
| Status | Active |
| Incorporated | 10 Jun 2022 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | HP4 2AF |
| Outcode | HP4 |
| 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 14165032 |
Companies House record: J LOCKE SERVICES LTD, company 14165032, 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.