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SAM ALLUM LIMITED: plumbing, heating and air-conditioning company in Plymouth
SAM ALLUM LIMITED is an active limited company (no. 07541851), incorporated in 2011, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in PL4 (Plymouth), and 216 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
Within 10 km
216 similar companies within 10 km. Plymouth
What homes around PL4 need
In PL4 last summer (2026) there were ≈5 nights that stayed above 18 °C — 14 times the 1991–2020 average of 0.4 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
9% of sampled postcodes in PL4 sit in a conservation area (on-record, 826 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 |
|---|---|---|---|
| KEEZEE LIMITED | 16933500 | PL4 | ≈0.1 km |
| HOME INSPIRATIONS (SW) LIMITED | 08306499 | PL4 | ≈0.2 km |
| CWS HEATING & PLUMBING LTD | 15114760 | PL4 | ≈0.2 km |
| BOWDEN INTERIORS LIMITED | 05856528 | PL1 | ≈0.4 km |
| G.R. MECHANICAL SERVICES LIMITED | 02592334 | PL4 | ≈0.8 km |
| UNIQUE WATER SOLUTIONS LTD | 08384401 | PL1 | ≈0.8 km |
| A B HEATING SOLUTIONS LTD | 10437404 | PL1 | ≈0.8 km |
| OMDSP HANDYMAN LONDON LTD | 11372026 | PL1 | ≈0.8 km |
| RENEWABLE ENERGY FUNDING LTD | 11950659 | PL1 | ≈0.8 km |
| CA ENERGY SERVICES LIMITED | 12180547 | PL1 | ≈0.8 km |
Company record
| Field | Value |
|---|---|
| Company number | 07541851 |
| Name | SAM ALLUM LIMITED |
| Status | Active |
| Incorporated | 24 Feb 2011 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | PL4 0AU |
| Outcode | PL4 |
| 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 07541851 |
Companies House record: SAM ALLUM LIMITED, company 07541851, 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.