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SOWMAN PLUMBING AND HEATING LIMITED: plumbing, heating and air-conditioning company in Witham
SOWMAN PLUMBING AND HEATING LIMITED is an active limited company (no. 04954135), incorporated in 2003, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in CM8 (Witham), and 133 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
133 similar companies within 10 km. Witham
What homes around CM8 need
In CM8 last summer (2026) there were ≈18 nights that stayed above 18 °C — 5 times the 1991–2020 average of 3.6 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
13% of sampled postcodes in CM8 sit in a conservation area (on-record, 923 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 |
|---|---|---|---|
| G J MARINER AND SON LIMITED | 05222059 | CM8 | ≈0.2 km |
| FJA PLUMBING & HEATING LIMITED | 13567482 | CM8 | ≈0.2 km |
| ASSOCIATED PLUMBING LIMITED | 03639633 | CM8 | ≈0.3 km |
| CJB MECHANICAL SERVICES LTD | 16519778 | CM8 | ≈0.4 km |
| TESLA M&E LTD | 13919093 | CM8 | ≈0.7 km |
| D J BATHROOMS & PROPERTY MAINTENANCE LTD | 11402853 | CM8 | ≈0.7 km |
| IDEAL CLIMATE LIMITED | 12233542 | CM8 | ≈0.9 km |
| WE DO DRAINS LTD | 14760417 | CM8 | ≈0.9 km |
| MERIDIAN MECHANICAL LIMITED | 17310200 | CM8 | ≈1.0 km |
| MJH AIRCONDITIONING AND REFRIGERATION LTD | 14165533 | CM8 | ≈1.0 km |
Company record
| Field | Value |
|---|---|
| Company number | 04954135 |
| Name | SOWMAN PLUMBING AND HEATING LIMITED |
| Status | Active |
| Incorporated | 5 Nov 2003 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | CM8 1AA |
| Outcode | CM8 |
| 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 04954135 |
Companies House record: SOWMAN PLUMBING AND HEATING LIMITED, company 04954135, 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.