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L30: plumbing, heating and air-conditioning companies in Liverpool
L30 (Liverpool) has 6 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 3 electrical and other installation companies (Companies House, 1 Sep 2026); 0 are MCS-certified for air-to-air yet. If the summer is the question, L30 had ≈5 nights above 18 °C in 2026 (5 times the 1991–2020 average of 1.1).
L30
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CBC MAINTENANCE LTD, incorporated 2021, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| CBC MAINTENANCE LTD | 2021 | Active | L30 |
| GAS COMMERCIAL SERVICES UK LIMITED | 2018 | Active - Proposal to Strike off | L30 |
| GREEN GREEN ENERGY LTD | 2023 | Active | L30 |
| IMMERSCAPE LIMITED | 2021 | Active | L30 |
| MERSEY MECHANICAL LTD | 2020 | Active | L30 |
| STRONG VENTILATION LTD | 2011 | Active | L30 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| BLUEGATE ELECTRICAL LTD | 43210 · electrical installation | 2026 | Active | L30 |
| NWEG LIMITED | 43210 · electrical installation; 77291; 90020; 95210 | 2020 | Active - Proposal to Strike off | L30 |
| WARM FLOORING SOLUTIONS LTD | 43290 · other construction installation | 2023 | Active | L30 |
What homes around L30 need
In L30 last summer (2026) there were ≈5 nights that stayed above 18 °C — 5 times the 1991–2020 average of 1.1 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
0% of sampled postcodes in L30 sit in a conservation area (no-record-uncertain, 457 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).
Companies House snapshot 1 Sep 2026, 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. Hot nights: ERA5-ARCO for L30, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in L30, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in L30, with that district's hot nights and planning rule.