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ALL SEASONS MECHANICAL LTD: plumbing, heating and air-conditioning company in Portsmouth
ALL SEASONS MECHANICAL LTD is an active limited company (no. 12163478), incorporated in 2019, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in PO6 (Portsmouth), and 582 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
582 similar companies within 10 km. Portsmouth
What homes around PO6 need
In PO6 last summer (2026) there were ≈27 nights that stayed above 18 °C — 9 times the 1991–2020 average of 2.9 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
0% of sampled postcodes in PO6 sit in a conservation area (on-record, 916 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 |
|---|---|---|---|
| SML PLUMBING AND HEATING (HAVANT) LIMITED | 06879201 | PO6 | ≈0.2 km |
| SATURN GAS HEATING AND PLUMBING LTD | 09539856 | PO6 | ≈0.3 km |
| GAVIN DRIVER PLUMBING & HEATING LTD | 09461573 | PO6 | ≈0.4 km |
| RB GAS AND HEATING SERVICES LTD | 13315943 | PO6 | ≈0.5 km |
| PRO GAS SOUTHERN LTD | 14275564 | PO6 | ≈0.5 km |
| JBS HEATING & PLUMBING LTD | 16391873 | PO6 | ≈0.5 km |
| SIMER ENVIRONMENTAL SERVICES LIMITED | 01297168 | PO6 | ≈0.6 km |
| GOLDRING PLUMBING & HEATING LIMITED | 06199113 | PO6 | ≈0.6 km |
| M AND F AIR CONDITIONING LTD | 06919300 | PO6 | ≈0.6 km |
| VINCENT HOME IMPROVEMENT LIMITED | 10666002 | PO6 | ≈0.6 km |
Company record
| Field | Value |
|---|---|
| Company number | 12163478 |
| Name | ALL SEASONS MECHANICAL LTD |
| Status | Active |
| Incorporated | 19 Aug 2019 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | PO6 2TR |
| Outcode | PO6 |
| 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 12163478 |
Companies House record: ALL SEASONS MECHANICAL LTD, company 12163478, 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.