Central London: plumbing, heating and air-conditioning companies
Central London 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 EC2N, summer 2026 had ≈10 nights above 18 °C there (5 times the 1991–2020 average of 1.9).
SIC 43220
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FIREFLY (UK) GAS LTD, incorporated 2020, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| FIREFLY (UK) GAS LTD | 2020 | Active | EC2N |
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
11,105 plumbing companies (SIC 43220) have a registered office within 25 km. The nearest 10 are listed.
| Company | Number | District | Distance |
|---|---|---|---|
| REPLACEMENT SPARES DIRECT LIMITED | 08139320 | EC2N | under 0.1 km |
| MYCOND LIMITED | 09146179 | EC2N | under 0.1 km |
| DERLUK LIMITED | 14261051 | EC2N | under 0.1 km |
| HEATCARE PLUMBING AND HEATING ENGINEERS LIMITED | 04541179 | EC3V | ≈0.1 km |
| PLEASANT PLUMBERS LIMITED | 14188989 | EC3V | ≈0.1 km |
| AORO ENERGY LTD | 15308155 | EC3V | ≈0.1 km |
| TCLARKE PLC | 00119351 | EC3A | ≈0.2 km |
| TCLARKE CONTRACTING LIMITED | 00189434 | EC3A | ≈0.2 km |
| ETON ASSOCIATES LIMITED | 02820813 | EC3A | ≈0.2 km |
| FES SUPPORT SERVICES (UK) LIMITED | 08821061 | EC2M | ≈0.2 km |
Heat and planning around Central London
In Central London last summer (2026) there were ≈10 nights that stayed above 18 °C — 5 times the 1991–2020 average of 1.9 (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.
59% of sampled postcodes in Central London sit in a conservation area (46 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.