Home / Installers / Sunbury-on-Thames
THREE3ONE LTD: plumbing, heating and air-conditioning company in Sunbury-on-Thames
THREE3ONE LTD is an active limited company (no. 11194001), incorporated in 2018, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in TW16 (Sunbury-on-Thames), and 795 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
795 similar companies within 10 km. Sunbury-on-Thames
What homes around TW16 need
In TW16 last summer (2026) there were ≈10 nights that stayed above 18 °C — 7 times the 1991–2020 average of 1.5 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
5% of sampled postcodes in TW16 sit in a conservation area (on-record, 538 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 |
|---|---|---|---|
| NOVO PLUMBING LTD | 15383504 | TW16 | ≈0.2 km |
| THAMES HEATING SERVICES LTD | 10167661 | TW16 | ≈0.3 km |
| SAFE HAND PROPERTY CARE LTD | 17231367 | TW16 | ≈0.3 km |
| ECOTEC INSTALLATIONS LTD | 14812377 | TW16 | ≈0.5 km |
| LUCKY AIR CONDITIONING & HEAT PUMPS LTD | 17243069 | TW16 | ≈0.6 km |
| KVL PLUMBING LTD | 07518143 | TW16 | ≈0.6 km |
| LONDON BOILER ROOM LIMITED | 14902271 | KT12 | ≈0.8 km |
| DIRECT HEATING SPECIALISTS LTD | 10069447 | TW16 | ≈0.8 km |
| CASTLE MAINTENANCE LIMITED | 04090541 | TW16 | ≈0.8 km |
| JC'S QUALITY CONSULTING LTD | 07418462 | TW16 | ≈0.8 km |
Company record
| Field | Value |
|---|---|
| Company number | 11194001 |
| Name | THREE3ONE LTD |
| Status | Active |
| Incorporated | 7 Feb 2018 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | TW16 5QF |
| Outcode | TW16 |
| 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 11194001 |
Companies House record: THREE3ONE LTD, company 11194001, 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.