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HARSH GAS ENGINEERING LTD: plumbing, heating and air-conditioning company in Hounslow
HARSH GAS ENGINEERING LTD is an active limited company (no. 12689931), incorporated in 2020, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in TW5 (Hounslow), and 1,462 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
1,462 similar companies within 10 km. Hounslow
What homes around TW5 need
In TW5 last summer (2026) there were ≈10 nights that stayed above 18 °C — 7 times the 1991–2020 average of 1.5 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
14% of sampled postcodes in TW5 sit in a conservation area (on-record, 399 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 |
|---|---|---|---|
| SA CONSTRUCTION & PROPERTIES LTD | 11842980 | UB2 | ≈0.2 km |
| E&G DEVELOPMENTUK LTD | 14473715 | TW5 | ≈0.2 km |
| WARM START PLUMBING LTD | 16190758 | UB2 | ≈0.3 km |
| JOSU AIR INSTALL LTD | 17250044 | TW5 | ≈0.3 km |
| SUMO PLUMBING & HEATING LTD | 16378154 | UB2 | ≈0.4 km |
| SWIFT HEATING SERVICES LTD | 08834330 | UB2 | ≈0.5 km |
| RMTL LIMITED | 17265694 | UB2 | ≈0.6 km |
| JD REBUILDERS LTD | 16280149 | UB2 | ≈0.6 km |
| K.J. CORGI LTD | 11159226 | TW5 | ≈0.6 km |
| ACL ASSESSMENTS LTD | 15039329 | TW5 | ≈0.7 km |
Company record
| Field | Value |
|---|---|
| Company number | 12689931 |
| Name | HARSH GAS ENGINEERING LTD |
| Status | Active |
| Incorporated | 22 Jun 2020 |
| SIC | 43220 · plumbing, heat and air-conditioning installation; 43290 · other construction installation |
| Registered office postcode | TW5 0HN |
| Outcode | TW5 |
| 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 12689931 |
Companies House record: HARSH GAS ENGINEERING LTD, company 12689931, 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.