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W&J DONALD SERVICES LTD: plumbing, heating and air-conditioning company in Kings Langley
W&J DONALD SERVICES LTD is an active limited company (no. 09234746), incorporated in 2014, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in WD4 (Kings Langley), and 457 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
457 similar companies within 10 km. Kings Langley
What homes around WD4 need
In WD4 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).
14% of sampled postcodes in WD4 sit in a conservation area (on-record, 373 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 |
|---|---|---|---|
| KINGS MECHANICAL ELECTRICAL LTD | 11540844 | WD4 | ≈0.4 km |
| CONCEPT HEATING LTD | 13893277 | WD4 | ≈0.8 km |
| MDSAL LTD | 14335253 | WD4 | ≈0.8 km |
| JPMEADS LIMITED | 14646498 | WD4 | ≈0.8 km |
| HEVAC SALES LTD | 04989938 | WD4 | ≈0.8 km |
| CENTURY ENGINEERING AND REFRIGERATION INSTALLATIONS LIMITED | 01921649 | WD4 | ≈0.8 km |
| MAXX SERVICES LIMITED | 10782514 | WD4 | ≈0.8 km |
| BRADSHAW INTERIORS LIMITED | 09114234 | WD4 | ≈1.0 km |
| BREWSTER PLUMBING & HEATING SERVICES LTD | 09408981 | WD4 | ≈1.0 km |
| FLUSH PLUMBERS LTD | 15377185 | WD4 | ≈1.0 km |
Company record
| Field | Value |
|---|---|
| Company number | 09234746 |
| Name | W&J DONALD SERVICES LTD |
| Status | Active |
| Incorporated | 25 Sep 2014 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | WD4 8EF |
| Outcode | WD4 |
| 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 09234746 |
Companies House record: W&J DONALD SERVICES LTD, company 09234746, 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.