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WILSAM HEATING LIMITED: plumbing, heating and air-conditioning company in Colchester
WILSAM HEATING LIMITED is an active limited company (no. 03018541), incorporated in 1995, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in CO7 (Colchester), and 189 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
189 similar companies within 10 km. Colchester
What homes around CO7 need
In CO7 last summer (2026) there were ≈16 nights that stayed above 18 °C — 5 times the 1991–2020 average of 2.9 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
14% of sampled postcodes in CO7 sit in a conservation area (on-record, 1,341 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 |
|---|---|---|---|
| T HOGG PLUMBING AND BATHROOMS LTD | 12446042 | CO7 | ≈0.6 km |
| ALGAS SERVICES LTD | 12425424 | CO7 | ≈1.2 km |
| G H HEATING SERVICES LTD | 13389079 | CO7 | ≈1.4 km |
| RICHARDSON & ROTHWELL PLUMBING & HEATING LIMITED | 04154639 | CO7 | ≈2.1 km |
| HEATEC HEATING AND PLUMBING LIMITED | 04500805 | CO7 | ≈2.9 km |
| ELANAR TECHNICAL SERVICES LIMITED | 05581201 | CO7 | ≈2.9 km |
| HEATSAFE INSTALLATIONS LIMITED | 07304218 | CO7 | ≈2.9 km |
| AP GAS & PLUMBING SERVICES LIMITED | 08246993 | CO7 | ≈2.9 km |
| EGAS MECHANICAL LIMITED | 09618947 | CO7 | ≈2.9 km |
| EMPOWERED ENERGY SERVICES LTD | 15565146 | CO7 | ≈2.9 km |
Company record
| Field | Value |
|---|---|
| Company number | 03018541 |
| Name | WILSAM HEATING LIMITED |
| Status | Active |
| Incorporated | 6 Feb 1995 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | CO7 6ER |
| Outcode | CO7 |
| 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 03018541 |
Companies House record: WILSAM HEATING LIMITED, company 03018541, 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.