To comply with GDPR we will not store any personally identifiable information from you. Therefore we will serve sub-optimal experience where some features such as Login/Signup are disabled. However, you will be able to search and see all the properties, see agent contact details and contact them offline on your own.
The estimated valuation for your unit, if it's a 4 rm flat, will be around $380k to $410k and $510k to $550k, for 5 room flat. The estimated COV is around $45k to $70k.
Do feel free to contact me for further assistance.