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L27: plumbing, heating and air-conditioning companies in Liverpool
L27 (Liverpool) has 0 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 2 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, L27 had ≈4 nights above 18 °C in 2026 (4 times the 1991–2020 average of 1.0).
L27
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0 plumbing companies in this district. L27 district
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| No SIC 43220 company in this district | — | — | — |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| GDP ELECTRICAL SYSTEMS LIMITED | 43210 · electrical installation | 2020 | Active | L27 |
| PETER JAMES JOINERY & BUILDING SERVICES LTD | 43290 · other construction installation; 41201; 41202 | 2019 | Active | L27 |
What homes around L27 need
In L27 last summer (2026) there were ≈4 nights that stayed above 18 °C — 4 times the 1991–2020 average of 1.0 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
0% of sampled postcodes in L27 sit in a conservation area (no-record-uncertain, 156 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 L27, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in L27, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in L27, with that district's hot nights and planning rule.