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A.J. LUMSDEN & SON LTD.: plumbing, heating and air-conditioning company in Musselburgh
A.J. LUMSDEN & SON LTD. is an active limited company (no. SC627039), incorporated in 2019, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in EH21 (Musselburgh), and 280 similar companies have a registered office within 10 km. If you need a grant for an air-to-air heat pump, MCS lists 0 installers certified for air-to-air heat pumps (checked 25 Sep 2026), and Home Energy Scotland excludes an air-to-air unit that cools.
Active
Within 10 km
280 similar companies within 10 km. Musselburgh
What homes around EH21 need
In EH21 last summer (2026) there were ≈0 nights that stayed above 18 °C — below the 1991–2020 average of 0.0 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
12% of sampled postcodes in EH21 sit in a conservation area (on-record, 769 live postcodes).
In Scotland, Class 6H covers heating and hot water, and the noise comparison on this card is 42.0 dB(A) (Step 10, MCS 020).
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 |
|---|---|---|---|
| C1 BOILERS LTD | SC796195 | EH21 | ≈0.4 km |
| G-MAK REFRIGERATION SERVICES LIMITED | SC596787 | EH21 | ≈0.7 km |
| BRUCE PLUMBING AND HEATING LIMITED | SC879369 | EH21 | ≈0.7 km |
| DF GROUP EDI LTD | SC778105 | EH21 | ≈0.8 km |
| WAVERLEY CONSTRUCTION LTD | SC740738 | EH21 | ≈0.9 km |
| J M ARCHIBALD & SON PLUMBING & HEATING SERVICES LIMITED | SC478651 | EH21 | ≈1.1 km |
| OMEGA GAS SERVICES LTD. | SC662784 | EH21 | ≈1.1 km |
| D BLAKE HOLDINGS LIMITED | SC187718 | EH21 | ≈1.2 km |
| M. HORSBURGH PLUMBING AND HEATING SERVICES LTD. | SC367112 | EH21 | ≈1.2 km |
| ANDREW INNES PLUMBING & HEATING LIMITED | SC249641 | EH21 | ≈1.3 km |
Company record
| Field | Value |
|---|---|
| Company number | SC627039 |
| Name | A.J. LUMSDEN & SON LTD. |
| Status | Active |
| Incorporated | 8 Apr 2019 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | EH21 8GB |
| Outcode | EH21 |
| Nation | Scotland |
| 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 SC627039 |
Companies House record: A.J. LUMSDEN & SON LTD., company SC627039, status Active, 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.