| Address | 11/F Civil Engineering and Development Building 101 Princess Margaret Road, Homantin, Kowloon |
| Telephone | 2762 5375 |
| Fax | 2714 0247 |
| undergroundspace@cedd.gov.hk |
| Address | 11/F Civil Engineering and Development Building 101 Princess Margaret Road, Homantin, Kowloon |
| Telephone | 2762 5375 |
| Fax | 2714 0247 |
| undergroundspace@cedd.gov.hk |