Maghull: plumbing, heating and air-conditioning companies
Maghull has 3 plumbing, heating and air-conditioning companies (SIC 43220) and 12 electrical and other installation companies registered here (Companies House, 1 Sep 2026); 0 are MCS-certified for air-to-air yet. If the office is in L31, summer 2026 had ≈5 nights above 18 °C there (5 times the 1991–2020 average of 1.1).
SIC 43220
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ASPREY'S PLUMBING & HEATING LIMITED, incorporated 2024, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| ASPREY'S PLUMBING & HEATING LIMITED | 2024 | Active | L31 |
| SP WATER & GAS LTD | 2026 | Active | L31 |
| COMFORT GROUP LIMITED | 2019 | Active - Proposal to Strike off | L31 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| DEEGAN ELECTRICAL LTD | 43210 · electrical installation | 2016 | Active | L31 |
| EAGLE STONE SERVICES LIMITED | 43210 · electrical installation | 2021 | Active | L31 |
| ENVIROSEAL LINING LTD | 43290 · other construction installation | 2012 | Active | L31 |
| EVOLVED ECO SERVICES LTD | 43290 · other construction installation | 2025 | Active | L31 |
| MERSEYSIDE ELECTRICAL CONTRACTORS LTD | 43210 · electrical installation | 2022 | Active | L31 |
| MJR ELECTRICAL ENGINEERING LIMITED | 43210 · electrical installation | 2018 | Active | L31 |
| OES ORMSKIRK ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2019 | Active | L31 |
| NAPIER ELECTRICAL SERVICES LIMITED | 43210 · electrical installation; 33140 | 2016 | Active | L31 |
| KJS ELECTRICAL LIMITED | 43210 · electrical installation | 2001 | Active | L31 |
| C. ROONEY SERVICES LIMITED | 43210 · electrical installation | 2007 | Active | L31 |
| MWJ ELECTRICAL LIMITED | 43210 · electrical installation | 2014 | Active - Proposal to Strike off | L31 |
| CDT DEVELOPMENTS NW LIMITED | 43290 · other construction installation | 2023 | Active - Proposal to Strike off | L31 |
Heat and planning around Maghull
In Maghull 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). The figure is the household-weighted mean of 1 postcode districts where these offices are registered.
1% of sampled postcodes in Maghull sit in a conservation area (793 live postcodes across 1 districts).
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, June–August, minimum at or above 18 °C, household-weighted across the districts where these offices are registered, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points, snapshot 25 Sep 2026. Distances are an equirectangular approximation to 0.1 km.
Better than a town directory that only lists names: each plumbing company links to its Companies House record and the local hot-night count.