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SEAMAC LTD: plumbing, heating and air-conditioning company in London
SEAMAC LTD is an active limited company with a proposal to strike off (no. 16455970), incorporated in 2025, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in E5 (London), and 4,133 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
4,133 similar companies within 10 km. London
What homes around E5 need
In E5 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).
9% of sampled postcodes in E5 sit in a conservation area (on-record, 663 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 |
|---|---|---|---|
| E PLUMB LIMITED | 08105805 | E5 | ≈0.1 km |
| GALPLUMB LTD | 10562825 | E5 | ≈0.1 km |
| SPEEDY ENERGY LTD | 12836106 | E5 | ≈0.1 km |
| ICON PLUMBING LTD | 14090371 | E5 | ≈0.1 km |
| YR PLUMBING LTD | 16709941 | E5 | ≈0.1 km |
| UNBLOCK DRAINAGE SOLUTION LIMITED | 07269931 | E5 | ≈0.2 km |
| ODPLUMBING LTD | 17209856 | E5 | ≈0.3 km |
| IPLUMBIFY LTD | 15502906 | E5 | ≈0.4 km |
| AIA CONTRACTORS LTD | 13069419 | E5 | ≈0.4 km |
| G MASE LTD | 10270286 | E5 | ≈0.5 km |
Company record
| Field | Value |
|---|---|
| Company number | 16455970 |
| Name | SEAMAC LTD |
| Status | Active - Proposal to Strike off |
| Incorporated | 19 May 2025 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | E5 9ND |
| Outcode | E5 |
| 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 16455970 |
Companies House record: SEAMAC LTD, company 16455970, 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.