Home / Installers / Chelmsford
SUB ZERO LTD: plumbing, heating and air-conditioning company in Chelmsford
SUB ZERO LTD is an active limited company (no. 06570101), incorporated in 2008, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in CM2 (Chelmsford), and 166 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
166 similar companies within 10 km. Chelmsford
What homes around CM2 need
In CM2 last summer (2026) there were ≈8 nights that stayed above 18 °C — 4 times the 1991–2020 average of 2.2 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
10% of sampled postcodes in CM2 sit in a conservation area (on-record, 1,313 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 |
|---|---|---|---|
| GAMMA HEATING LTD | 17142098 | CM2 | ≈0.6 km |
| BADDOW PLUMBING SERVICES LIMITED | 04256216 | CM2 | ≈0.7 km |
| THE POWER SAVING COMPANY LIMITED | 06649277 | CM2 | ≈0.8 km |
| FAIRGREEN HEATING & ELECTRICAL LTD | 16529940 | CM2 | ≈0.8 km |
| TRIANGLE HEATING LTD | 17100580 | CM2 | ≈0.8 km |
| DOWNES TO EARTH PLUMBING & HEATING LTD | 17041428 | CM2 | ≈0.8 km |
| HEATING AND PLUMBING PROPERTY INSTALLATIONS LIMITED | 05099133 | CM2 | ≈0.9 km |
| ESSEX AIR CONTRACTS LIMITED | 17047659 | CM2 | ≈1.2 km |
| IAC REFRIGERATION AND AIR CONDITIONING LIMITED | 02063259 | CM2 | ≈1.3 km |
| K-LINE TRADING (LONDON) LTD | 08554468 | CM2 | ≈1.4 km |
Company record
| Field | Value |
|---|---|
| Company number | 06570101 |
| Name | SUB ZERO LTD |
| Status | Active |
| Incorporated | 18 Apr 2008 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | CM2 8DX |
| Outcode | CM2 |
| 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 06570101 |
Companies House record: SUB ZERO LTD, company 06570101, 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.