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APP MECHANICAL LTD: plumbing, heating and air-conditioning company in London
APP MECHANICAL LTD is an active limited company (no. 09900602), incorporated in 2015, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in W1U (London), and 3,600 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
3,600 similar companies within 10 km. London
What homes around W1U need
In W1U 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).
89% of sampled postcodes in W1U sit in a conservation area (on-record, 1,069 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 |
|---|---|---|---|
| GLOBAL SWAG ENGINEERING LIMITED | 14624086 | W1U | under 0.1 km |
| PORTMAN PROPERTY SERVICES LIMITED | 15745524 | W1U | ≈0.2 km |
| PORTMAN PLUMBING LIMITED | 16827223 | W1U | ≈0.2 km |
| PORTMAN HEATING LIMITED | 16827424 | W1U | ≈0.2 km |
| PORTMAN RENEWABLES LIMITED | 16830119 | W1U | ≈0.2 km |
| AB PLUMBING & HEATING INSTALLATION LTD | 16941964 | W1H | ≈0.3 km |
| WATERGUYS LIMITED | 09274819 | W1H | ≈0.4 km |
| BOILER INSTALLATIONS LONDON LTD | 14213552 | W1H | ≈0.4 km |
| LONDON ENGINEERS COMPANY LTD | 09294303 | NW1 | ≈0.4 km |
| CENTRAL PLUMBING & HEATING (LONDON) LTD | 08048234 | W1H | ≈0.4 km |
Company record
| Field | Value |
|---|---|
| Company number | 09900602 |
| Name | APP MECHANICAL LTD |
| Status | Active |
| Incorporated | 3 Dec 2015 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | W1U 6RT |
| Outcode | W1U |
| 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 09900602 |
Companies House record: APP MECHANICAL LTD, company 09900602, 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.