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RAZ HEATING LTD: plumbing, heating and air-conditioning company in Southampton
RAZ HEATING LTD is an active limited company (no. 12850558), incorporated in 2020, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in SO40 (Southampton), and 235 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
235 similar companies within 10 km. Southampton
What homes around SO40 need
In SO40 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).
10% of sampled postcodes in SO40 sit in a conservation area (on-record, 1,079 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 |
|---|---|---|---|
| AIR 2 HEAT RENEWABLE ENERGY LTD | 14210321 | SO40 | ≈0.5 km |
| TRIBBLES PLUMBING & HEATING LTD | 09119329 | SO40 | ≈0.7 km |
| PORTERS PROPERTY LTD | 16021218 | SO40 | ≈0.8 km |
| 1A AUTOHEAT LIMITED | 01168765 | SO40 | ≈0.8 km |
| PURE MECHANICAL & ELECTRICAL LTD | 16545624 | SO40 | ≈0.8 km |
| M-PRO SERVICES LIMITED | 17004039 | SO40 | ≈0.8 km |
| ELEMENT CONSTRUCTION GROUP LTD | 14835255 | SO40 | ≈0.9 km |
| NEW FOREST AIR CONDITIONING LTD | 11600970 | SO40 | ≈1.0 km |
| SOLENT WATER TREATMENT LTD | 10772021 | SO40 | ≈1.6 km |
| THE COLD MANAGEMENT LTD | 15270656 | SO40 | ≈1.7 km |
Company record
| Field | Value |
|---|---|
| Company number | 12850558 |
| Name | RAZ HEATING LTD |
| Status | Active |
| Incorporated | 1 Sep 2020 |
| SIC | 43220 · plumbing, heat and air-conditioning installation; 71129 |
| Registered office postcode | SO40 8WQ |
| Outcode | SO40 |
| 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 12850558 |
Companies House record: RAZ HEATING LTD, company 12850558, 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.