Heswall: plumbing, heating and air-conditioning companies
Heswall has 2 plumbing, heating and air-conditioning companies (SIC 43220) and 6 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 CH60, summer 2026 had ≈4 nights above 18 °C there (4 times the 1991–2020 average of 1.1).
SIC 43220
Open a company
HEATING WATER SERVICES LIMITED, incorporated 2002, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| HEATING WATER SERVICES LIMITED | 2002 | Active | CH60 |
| JF PLUMBING AND HEATING SERVICES LIMITED | 2002 | Active | CH60 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| STARLIGHT MAINTENANCE LIMITED | 43210 · electrical installation; 98000 | 2020 | Active | CH60 |
| STRATTON IMPROVEMENTS LTD | 43290 · other construction installation | 2023 | Active | CH60 |
| TE PROJECTS LTD | 43290 · other construction installation | 2025 | Active | CH60 |
| DESIGN MANAGEMENT PROJECTS LIMITED | 43290 · other construction installation; 43310 | 2024 | Active | CH60 |
| D AND K ELECTRICAL CONTRACTORS LIMITED | 43210 · electrical installation | 2009 | Active | CH61 |
| LONDON ELECTRIC CONTRACTORS LTD | 43210 · electrical installation | 2010 | Liquidation | CH60 |
Heat and planning around Heswall
In Heswall last summer (2026) there were ≈4 nights that stayed above 18 °C — 4 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 2 postcode districts where these offices are registered.
5% of sampled postcodes in Heswall sit in a conservation area (879 live postcodes across 2 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.