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ALEGIAN LTD: plumbing, heating and air-conditioning company in London
ALEGIAN LTD is an active limited company with a proposal to strike off (no. 12287294), incorporated in 2019, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in NW3 (London), and 3,848 similar companies have a registered office within 10 km. If you need an MCS-certified air-to-air installer, MCS lists 0 installers certified for air-to-air heat pumps yet (checked 25 Sep 2026), so no company here can offer the £2,500 grant route today.
Active - Proposal to Strike off
Within 10 km
3,848 similar companies within 10 km. London
What homes around NW3 need
In NW3 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).
76% of sampled postcodes in NW3 sit in a conservation area (on-record, 1,318 live postcodes).
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).
Hot nights: ERA5-ARCO, June–August, minimum at or above 18 °C, 2026 against the 1991–2020 mean, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points, snapshot 25 Sep 2026. Noise limit from the decision contract, checked 25 Sep 2026.
Nearest similar companies
| Company | Number | District | Distance |
|---|---|---|---|
| INFINITY HEATING & PLUMBING LTD | 16109484 | NW3 | ≈0.4 km |
| KENSINGTON & CHELSEA SW7 HEATING SERVICES LTD | 09122978 | NW3 | ≈0.5 km |
| LANDLORD CERTIFICATES HUB LTD | 15868995 | NW3 | ≈0.5 km |
| HAMPSTEAD PLUMBING & HEATING LTD | 07332801 | NW3 | ≈0.5 km |
| DAM MECHANICAL LIMITED | 14502699 | NW3 | ≈0.6 km |
| KEN HEATING AND PLUMBING LTD | 14051812 | NW3 | ≈0.6 km |
| AM PLUMBING SOLUTIONS LIMITED | 17350214 | NW3 | ≈0.6 km |
| 1066DPS LIMITED | 16607019 | NW3 | ≈0.6 km |
| LMAO LIMITED | 16755020 | NW5 | ≈0.7 km |
| REAL YOUNG LTD | 09173659 | NW5 | ≈0.7 km |
Company record
| Field | Value |
|---|---|
| Company number | 12287294 |
| Name | ALEGIAN LTD |
| Status | Active - Proposal to Strike off |
| Incorporated | 29 Oct 2019 |
| SIC | 43220 · plumbing, heat and air-conditioning installation; 68209 |
| Registered office postcode | NW3 4TN |
| Outcode | NW3 |
| Nation | England |
| Air-to-air signal | not yet observed, checked 25 Sep 2026 |
| F-Gas | not yet observed, checked 25 Sep 2026 |
| MCS air-to-air | not yet observed, checked 25 Sep 2026 |
| Retrieved | 25 Sep 2026 |
| Dataset | https://download.companieshouse.gov.uk/BasicCompanyDataAsOneFile-2026-09-01.zip |
| Companies House page | Company 12287294 |
Companies House record: ALEGIAN LTD, company 12287294, status Active - Proposal to Strike off, 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. Snapshot 1 Sep 2026, retrieved 25 Sep 2026. The 10 km count is equirectangular to 0.1 km. MCS air-to-air confirmed in this catalogue: 0, checked 25 Sep 2026.
Better than a reviews catalogue: the Companies House record, the district hot-night count and the MCS air-to-air observation are on one page.