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L H COOK PLUMBING, HEATING & RENEWABLES LIMITED: plumbing, heating and air-conditioning company in Hertfordshire
L H COOK PLUMBING, HEATING & RENEWABLES LIMITED is an active limited company (no. 16179781), incorporated in 2025, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in SG11 (Hertfordshire), and 112 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
112 similar companies within 10 km. Hertfordshire
What homes around SG11 need
In SG11 last summer (2026) there were ≈10 nights that stayed above 18 °C — 6 times the 1991–2020 average of 1.7 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
20% of sampled postcodes in SG11 sit in a conservation area (on-record, 377 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 |
|---|---|---|---|
| SSTC SERVICES LTD | 17177724 | SG11 | ≈1.6 km |
| ROASTMASTER SOLUTIONS LTD | 15923521 | SG11 | ≈1.7 km |
| EMPIRE DUCT LTD | 15451443 | CM23 | ≈2.7 km |
| T C VALE GAS BOILER SPEC LIMITED | 16511155 | SG11 | ≈2.8 km |
| AQUATECH PLUMBINGHEATING AND GAS LTD | 05015907 | CM23 | ≈2.9 km |
| AC CHILLMASTER LTD | 16132927 | CM23 | ≈2.9 km |
| BJP PLUMBING & HEATING LTD | 17271812 | CM23 | ≈3.1 km |
| ATMOSPHERES VENTILATION SERVICES LIMITED | 09439585 | CM23 | ≈3.4 km |
| D B FOX LIMITED | 15237403 | CM23 | ≈3.6 km |
| ROUSE AIR CONDITIONING LTD | 12350846 | CM23 | ≈3.7 km |
Company record
| Field | Value |
|---|---|
| Company number | 16179781 |
| Name | L H COOK PLUMBING, HEATING & RENEWABLES LIMITED |
| Status | Active |
| Incorporated | 13 Jan 2025 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | SG11 2DY |
| Outcode | SG11 |
| 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 16179781 |
Companies House record: L H COOK PLUMBING, HEATING & RENEWABLES LIMITED, company 16179781, 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.