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CORNERSTONE DRAINAGE LTD: plumbing, heating and air-conditioning company in Beckenham
CORNERSTONE DRAINAGE LTD is an active limited company (no. 17003019), incorporated in 2026, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in BR3 (Beckenham), and 1,477 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
1,477 similar companies within 10 km. Beckenham
What homes around BR3 need
In BR3 last summer (2026) there were ≈10 nights that stayed above 18 °C — 5 times the 1991–2020 average of 1.9 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
5% of sampled postcodes in BR3 sit in a conservation area (on-record, 1,125 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 |
|---|---|---|---|
| ACZ PLUMBING & LEAK DETECTION SPECIALISTS LTD | 15815444 | BR3 | under 0.1 km |
| LEE YOUNG LIMITED | 10847904 | BR3 | ≈0.2 km |
| ALB ENGINEERING SERVICES LIMITED | 10686295 | BR3 | ≈0.2 km |
| HOMESTEAD LONDON LTD | 16871983 | BR3 | ≈0.4 km |
| TOWERS PLUMBING AND HEATING LTD | 17405660 | BR3 | ≈0.4 km |
| ELLIOTT'S HEATING, PLUMBING & BUILDING SERVICES LTD | 12483607 | BR2 | ≈0.7 km |
| SPS HEATING BUILDING SERVICES LIMITED | 06347833 | BR3 | ≈0.7 km |
| RUSSELL AND SONS GROUP LTD | 17292734 | BR3 | ≈0.8 km |
| CKP SERVICES LIMITED | 09715985 | BR3 | ≈0.8 km |
| GOLDCRESTWORKS LIMITED | 13908091 | BR3 | ≈0.8 km |
Company record
| Field | Value |
|---|---|
| Company number | 17003019 |
| Name | CORNERSTONE DRAINAGE LTD |
| Status | Active |
| Incorporated | 30 Jan 2026 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | BR3 5DZ |
| Outcode | BR3 |
| 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 17003019 |
Companies House record: CORNERSTONE DRAINAGE LTD, company 17003019, 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.