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L7: plumbing, heating and air-conditioning companies in Liverpool
L7 (Liverpool) has 4 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 9 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, L7 had ≈5 nights above 18 °C in 2026 (5 times the 1991–2020 average of 1.1).
L7
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DH HEATING AND GAS LTD, incorporated 2025, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| DH HEATING AND GAS LTD | 2025 | Active | L7 |
| HEATBEE LTD | 2023 | Active | L7 |
| NEXTHEORY GROUP LTD | 2026 | Active | L7 |
| TATE BUILDING SERVICES LTD | 2025 | Active | L7 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| ATH CONSTRUCTION & MANAGEMENT SERVICES LTD | 43290 · other construction installation; 43310; 43341; 43390 | 2022 | Active | L7 |
| HESIS LIMITED | 43290 · other construction installation | 2007 | Active | L7 |
| HOLDEN CONSTRUCTION LTD | 43290 · other construction installation | 2022 | Active | L7 |
| JPZ ELECTRIC LTD | 43210 · electrical installation | 2025 | Active | L7 |
| MC DEVELOPMENTS SOLUTIONS LIMITED | 43290 · other construction installation | 2022 | Active - Proposal to Strike off | L7 |
| NUTTALL ENERGY SOLUTIONS LIMITED | 43210 · electrical installation | 2025 | Active | L7 |
| PERFECT CABLES LTD | 43210 · electrical installation | 2025 | Active | L7 |
| W BRAITHWAITE LTD | 43290 · other construction installation | 2015 | Active - Proposal to Strike off | L7 |
| YATCI BUILDING LTD | 43290 · other construction installation | 2019 | Active - Proposal to Strike off | L7 |
What homes around L7 need
In L7 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).
19% of sampled postcodes in L7 sit in a conservation area (on-record, 459 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 L7, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in L7, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in L7, with that district's hot nights and planning rule.