Home / Installers / London
THERMWISE LIMITED: plumbing, heating and air-conditioning company in London
THERMWISE LIMITED is an active limited company (no. 11785413), incorporated in 2019, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in W2 (London), and 3,646 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
3,646 similar companies within 10 km. London
What homes around W2 need
In W2 last summer (2026) there were ≈12 nights that stayed above 18 °C — 8 times the 1991–2020 average of 1.6 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
72% of sampled postcodes in W2 sit in a conservation area (on-record, 1,124 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 |
|---|---|---|---|
| ONUS PLUMBING & HEATING LIMITED | 15640679 | W9 | ≈0.3 km |
| COPPER FINGERS LIMITED | 16458455 | W9 | ≈0.4 km |
| PRIME LONDON INSTALLATIONS LTD | 13410354 | W9 | ≈0.4 km |
| DUTCH TECH LTD | 15477591 | W9 | ≈0.4 km |
| CITYWIDE ELECTRIC & PLUMBING LTD | 17205342 | W9 | ≈0.7 km |
| AIR CONTROL (UK) LIMITED | 05914945 | W9 | ≈0.7 km |
| OZYPLUMBINGSERVICES LIMITED | 17168535 | W2 | ≈0.7 km |
| ARTESIAN AIR LIMITED | 10212748 | W2 | ≈0.7 km |
| ADD DETAIL LTD | 08991953 | W2 | ≈0.7 km |
| NAVTON LIMITED | 03427017 | W9 | ≈0.8 km |
Company record
| Field | Value |
|---|---|
| Company number | 11785413 |
| Name | THERMWISE LIMITED |
| Status | Active |
| Incorporated | 24 Jan 2019 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | W2 5SU |
| Outcode | W2 |
| 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 11785413 |
Companies House record: THERMWISE LIMITED, company 11785413, 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.