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KEYSTONE BUILDERS UK LTD: plumbing, heating and air-conditioning company in Southall
KEYSTONE BUILDERS UK LTD is an active limited company (no. 15334687), incorporated in 2023, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in UB2 (Southall), and 1,611 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
1,611 similar companies within 10 km. Southall
What homes around UB2 need
In UB2 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).
6% of sampled postcodes in UB2 sit in a conservation area (on-record, 531 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 |
|---|---|---|---|
| HEATFIX LIMITED | 04643833 | UB1 | ≈0.3 km |
| SPENCERS PLUMBING AND HEATING LTD | 11945025 | UB1 | ≈0.3 km |
| J S HOME IMPROVEMENTS LONDON LIMITED | 12529326 | UB1 | ≈0.5 km |
| SATATA BUILDERS LIMITED | 15685180 | UB1 | ≈0.5 km |
| FLEXIBLE FIX LTD | 14122669 | UB2 | ≈0.5 km |
| WEST LONDON GAS AND PLUMBING LIMITED | 14467330 | UB2 | ≈0.5 km |
| P MAYER LTD | 13620159 | UB1 | ≈0.6 km |
| BHACHU PLUMBING & ELECTRICALS LIMITED | 07071436 | UB2 | ≈0.6 km |
| GARRY GILL CONSTRUCTION LTD | 17319675 | UB1 | ≈0.6 km |
| MODERN AIR COOL LIMITED | 17019337 | UB1 | ≈0.6 km |
Company record
| Field | Value |
|---|---|
| Company number | 15334687 |
| Name | KEYSTONE BUILDERS UK LTD |
| Status | Active |
| Incorporated | 8 Dec 2023 |
| SIC | 43220 · plumbing, heat and air-conditioning installation; 41202; 43310; 43320 |
| Registered office postcode | UB2 4WQ |
| Outcode | UB2 |
| 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 15334687 |
Companies House record: KEYSTONE BUILDERS UK LTD, company 15334687, 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.