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MCCARTHY INTERIORS LIMITED: plumbing, heating and air-conditioning company in Southampton
MCCARTHY INTERIORS LIMITED is an active limited company (no. 12588023), incorporated in 2020, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in SO14 (Southampton), and 414 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
414 similar companies within 10 km. Southampton
What homes around SO14 need
In SO14 last summer (2026) there were ≈8 nights that stayed above 18 °C — 7 times the 1991–2020 average of 1.2 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
16% of sampled postcodes in SO14 sit in a conservation area (on-record, 850 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 |
|---|---|---|---|
| LURANCO MECHANICAL LTD | 17257489 | SO14 | ≈0.4 km |
| APHEX HOME INSTALLATIONS LIMITED | 07288523 | SO14 | ≈0.4 km |
| OURHEAT LIMITED | 09083862 | SO14 | ≈0.4 km |
| APS HEATING LTD | 12869683 | SO14 | ≈0.5 km |
| SOUTH COAST GAS LTD | 15035315 | SO14 | ≈0.5 km |
| ELAN-DRAGONAIR LIMITED | 03659544 | SO14 | ≈0.7 km |
| MARCADE BUILDING SERVICES LTD | 04378721 | SO14 | ≈0.7 km |
| MICHAEL TODD PLUMBING & HEATING LTD | 05790399 | SO14 | ≈0.7 km |
| DILSTAR LIMITED | 07256209 | SO14 | ≈0.7 km |
| HORTON HEATING LIMITED | 07913851 | SO14 | ≈0.7 km |
Company record
| Field | Value |
|---|---|
| Company number | 12588023 |
| Name | MCCARTHY INTERIORS LIMITED |
| Status | Active |
| Incorporated | 6 May 2020 |
| SIC | 43220 · plumbing, heat and air-conditioning installation; 43320; 43330; 43341 |
| Registered office postcode | SO14 3EY |
| Outcode | SO14 |
| 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 12588023 |
Companies House record: MCCARTHY INTERIORS LIMITED, company 12588023, 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.