Allerton: plumbing, heating and air-conditioning companies
Allerton has 1 plumbing, heating and air-conditioning companies (SIC 43220) and 0 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 L18, summer 2026 had ≈5 nights above 18 °C there (5 times the 1991–2020 average of 1.1).
SIC 43220
Open a company
HOTHAUS PLUMBING & HEATING LIMITED, incorporated 2022, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| HOTHAUS PLUMBING & HEATING LIMITED | 2022 | Active | L18 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| No SIC 43210 or 43290 company in this town | — | — | — | — |
Nearest plumbing companies within 25 km
1,372 plumbing companies (SIC 43220) have a registered office within 25 km. The nearest 10 are listed.
| Company | Number | District | Distance |
|---|---|---|---|
| ACM PLUMBING & HEATING LTD | 14963364 | L18 | ≈0.6 km |
| WC PLUMBING SERVICES LTD | 15146315 | L18 | ≈0.9 km |
| DG GAS & HEATING LTD | 16768001 | L19 | ≈1.1 km |
| MOSSLEY HILL PLUMBERS LTD | 12319112 | L18 | ≈1.1 km |
| MERSEY PRIME LTD | 12617854 | L18 | ≈1.2 km |
| LIVERPOOL HEATING LTD | 13466186 | L19 | ≈1.3 km |
| O.A.M VENTILATION SERVICES LIMITED | 12229471 | L19 | ≈1.3 km |
| JWC PROPERTY SERVICES LIMITED | 10092041 | L18 | ≈1.5 km |
| REACTIVE8 EMERGENCY SERVICES LIMITED | 13754235 | L18 | ≈1.5 km |
| HYT ENERGY LIMITED | 15418099 | L18 | ≈1.5 km |
Heat and planning around Allerton
In Allerton 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.
8% of sampled postcodes in Allerton sit in a conservation area (556 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.