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IYJH LIMITED: plumbing, heating and air-conditioning company in Hounslow
IYJH LIMITED is an active limited company (no. 17185051), incorporated in 2026, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in TW4 (Hounslow), and 1,185 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
1,185 similar companies within 10 km. Hounslow
What homes around TW4 need
In TW4 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).
0% of sampled postcodes in TW4 sit in a conservation area (on-record, 428 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 |
|---|---|---|---|
| TIME PRECISION ENGINEERING LTD | 07547811 | TW4 | ≈0.1 km |
| PRECISION PANELS LIMITED | 15787249 | TW4 | ≈0.1 km |
| UNIQUE BUILDERS AND FURNITURE LTD | 15708837 | TW4 | ≈0.3 km |
| JAY ESS GAS & ELECTRIC LTD | 15268059 | TW4 | ≈0.3 km |
| GRACE RENEWABLE ENERGY LTD | 16579936 | TW4 | ≈0.4 km |
| C&HE SERVICES LTD | 15531609 | TW4 | ≈0.4 km |
| DEVOTED PROPERTY SERVICES LTD | 17142151 | TW4 | ≈0.5 km |
| COMMODUS HEATING AND BUILDING SERVICES LIMITED | 16966126 | TW4 | ≈0.6 km |
| J&J HEATING & PLUMBING LTD | 12031992 | TW4 | ≈0.6 km |
| VJ PROPERTY MAINTENANCE LIMITED | 15553360 | TW4 | ≈0.6 km |
Company record
| Field | Value |
|---|---|
| Company number | 17185051 |
| Name | IYJH LIMITED |
| Status | Active |
| Incorporated | 28 Apr 2026 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | TW4 6EH |
| Outcode | TW4 |
| 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 17185051 |
Companies House record: IYJH LIMITED, company 17185051, 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.