Marylebone: plumbing, heating and air-conditioning companies
Marylebone has 0 plumbing, heating and air-conditioning companies (SIC 43220) and 1 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 W1U, summer 2026 had ≈12 nights above 18 °C there (8 times the 1991–2020 average of 1.6).
SIC 43220
Open a company
No SIC 43220 profile in this town. Noise tool
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| No SIC 43220 company in this town | — | — | — |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| EXCEL BUILDING SYSTEMS LIMITED | 43290 · other construction installation | 2013 | Active | W1U |
Nearest plumbing companies within 25 km
11,176 plumbing companies (SIC 43220) have a registered office within 25 km. The nearest 10 are listed.
| Company | Number | District | Distance |
|---|---|---|---|
| RICH PLUMBING LTD | 12071203 | W1G | ≈0.1 km |
| CENTRAL HEATING & BOILERS LTD | 08739717 | W1G | ≈0.2 km |
| HAMMERSMITH HEATING LTD | 12230476 | W1G | ≈0.2 km |
| GBM MECHANICAL & ELECTRICAL LTD | 12488109 | W1G | ≈0.2 km |
| MECSOL EUROPE LTD. | 14192938 | W1C | ≈0.2 km |
| MOJOO CONSTRUCTION LTD | 16611983 | W1C | ≈0.2 km |
| CAS ENERGIES SA LTD | 17255054 | W1C | ≈0.2 km |
| HOPLAND ENTERPRISES LIMITED | 03655860 | W1B | ≈0.3 km |
| KENOS PLUMBING & HEATING LTD | 11884696 | W1B | ≈0.3 km |
| PROFÈ SWISS SA / LTD | 13976661 | W1B | ≈0.3 km |
Heat and planning around Marylebone
In Marylebone last summer (2026) there were ≈12 nights that stayed above 18 °C — 8 times the 1991–2020 average of 1.6 (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.
89% of sampled postcodes in Marylebone sit in a conservation area (1,069 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.