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JONSTAR SUSTAINABLE TECHNOLOGIES LTD: plumbing, heating and air-conditioning company in Leicester
JONSTAR SUSTAINABLE TECHNOLOGIES LTD is an active limited company (no. 12522599), incorporated in 2020, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in LE1 (Leicester), and 449 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
449 similar companies within 10 km. Leicester
What homes around LE1 need
In LE1 last summer (2026) there were ≈7 nights that stayed above 18 °C — 8 times the 1991–2020 average of 0.9 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
45% of sampled postcodes in LE1 sit in a conservation area (on-record, 719 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 |
|---|---|---|---|
| MJT PLUMBING SERVICES LIMITED | 06634007 | LE1 | ≈0.2 km |
| CHARNWOOD THERMAL INSULATION SERVICES LIMITED | 08657642 | LE1 | ≈0.2 km |
| PREMIER PLUMBERS LIMITED | 16327761 | LE1 | ≈0.2 km |
| HEWETT AIR CONDITIONING LIMITED | 04436201 | LE1 | ≈0.3 km |
| PLUMBICO LTD | 12997751 | LE1 | ≈0.3 km |
| BRICKLINE BUILDERS LTD | 16610049 | LE1 | ≈0.4 km |
| JE GROUP SERVICES LTD | 11953227 | LE1 | ≈0.4 km |
| VIP HEATING & PLUMBING LTD | 14969824 | LE1 | ≈0.5 km |
| WEST ROCK CONSULTANTS LIMITED | 16067618 | LE1 | ≈0.5 km |
| VENTILATION UK CANOPY LTD | 15322186 | LE2 | ≈0.6 km |
Company record
| Field | Value |
|---|---|
| Company number | 12522599 |
| Name | JONSTAR SUSTAINABLE TECHNOLOGIES LTD |
| Status | Active |
| Incorporated | 18 Mar 2020 |
| SIC | 43220 · plumbing, heat and air-conditioning installation; 43210 · electrical installation; 74909 |
| Registered office postcode | LE1 6HH |
| Outcode | LE1 |
| 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 12522599 |
Companies House record: JONSTAR SUSTAINABLE TECHNOLOGIES LTD, company 12522599, 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.