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TERAHEAT LTD: plumbing, heating and air-conditioning company in Watford
TERAHEAT LTD is an active limited company (no. 10044103), incorporated in 2016, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in WD25 (Watford), and 551 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
551 similar companies within 10 km. Watford
What homes around WD25 need
In WD25 last summer (2026) there were ≈10 nights that stayed above 18 °C — 8 times the 1991–2020 average of 1.3 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
7% of sampled postcodes in WD25 sit in a conservation area (on-record, 687 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 |
|---|---|---|---|
| ERIK CONSTRUCTION (LONDON) LIMITED | 09564926 | WD25 | ≈0.3 km |
| WHITEWOOD HEATING LIMITED | 11715641 | WD25 | ≈0.4 km |
| ON-DEMAND PLUMBING & HEATING LIMITED | 13065853 | WD25 | ≈0.4 km |
| ON DEMAND DRAINAGE LTD | 17355067 | WD25 | ≈0.4 km |
| BBH PLUMBING & HEATING LTD | 10619069 | WD25 | ≈0.5 km |
| V&K HEATING LTD | 14634190 | WD25 | ≈0.7 km |
| MARSHALL N JONES LIMITED | 08052330 | WD25 | ≈0.7 km |
| TAPPED OUT PLUMBING & HEATING LTD | 09789520 | WD5 | ≈0.7 km |
| E&E HEATING AND PLUMBING LTD | 12852253 | WD25 | ≈0.8 km |
| BOILER REPS LTD | 13332861 | WD5 | ≈0.9 km |
Company record
| Field | Value |
|---|---|
| Company number | 10044103 |
| Name | TERAHEAT LTD |
| Status | Active |
| Incorporated | 4 Mar 2016 |
| SIC | 43220 · plumbing, heat and air-conditioning installation; 43341; 43999 |
| Registered office postcode | WD25 7EB |
| Outcode | WD25 |
| 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 10044103 |
Companies House record: TERAHEAT LTD, company 10044103, 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.