Research and analysis
Table 4: Descriptions of large-scale system tests undertaken by the BRE and the number of buildings with similar cladding systems, 31 October 2020
Updated 12 November 2020
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| Large-scale system test | ACM cladding category tested | Insulation type tested | Result | Private Buildings | Local authority | Housing association | Publicly-Owned Buildings | Total Buildings |
|---|---|---|---|---|---|---|---|---|
| 1 | Category 3 | Foam Insulation | Fail | 41 | 9 | 29 | 2 | 81 |
| 2 | Category 3 | Mineral Wool | Fail | 22 | 33 | 48 | 0 | 103 |
| 3 | Category 2 | PIR foam | Fail | 4 | 1 | 3 | 0 | 8 |
| 4 | Category 2 | Mineral Wool | Pass | 5 | 1 | 5 | 1 | 12 |
| 5 | Category 1 | Foam Insulation | Pass | 0 | 0 | 0 | 0 | 0 |
| 6 | Category 1 | Mineral Wool | Pass | 0 | 0 | 0 | 0 | 0 |
| 7 | Category 2 | Phenolic Foam | Fail | 8 | 0 | 13 | 0 | 21 |
| N/A | Category 3 | Not in a systems test | Inferred fail | 64 | 2 | 9 | 5 | 80 |
| N/A | Category 2 | Not in a systems test | Inferred fail | 16 | 0 | 0 | 2 | 18 |
| N/A | Category 1 | Not in a systems test | Inferred pass | 0 | 0 | 0 | 0 | 0 |
| Subtotal: Total number of buildings failed BRE test | Not set | Not set | Not set | 155 | 45 | 102 | 9 | 311 |
| Confirmed by local authorities as having similar ACM cladding systems to those which have failed large-scale system tests | Not set | Not set | Not set | 140 | 2 | 6 | 1 | 149 |
| Total number of buildings with ACM cladding systems unlikely to meet Building Regulations | Not set | Not set | Not set | 295 | 47 | 108 | 10 | 460 |
| Subtotal: Total number of buildings passed BRE test | Not set | Not set | Not set | 5 | 1 | 5 | 1 | 12 |
| Total number of buildings with confirmed ACM cladding systems | Not set | Not set | Not set | 300 | 48 | 113 | 11 | 472 |
| Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |
| We are proposing to no longer publish Web Table 4. This table reports on numbers of large-scale system tests undertaken by the BRE and the number of buildings with similar cladding systems. The information in this table remains relatively static each month and includes data on buildings that are not part of the dataset of buildings with unsafe ACM cladding systems reported on throughout the Data Release. As such, it is no longer our intention to publish Web Table 4, please email BuildingSafetyData2@communities.gov.uk with comments on this proposal by 19 November 2020. | Not set | Not set | Not set | Not set | Not set | Not set | Not set | Not set |