Looking for An Annex

I'm looking for a small annex for a working lady and the kid with the following requirements by end of December.

- Separate entrance

- Safe and peaceful environment

- Basic Cooking Space

- Attached bathroom

- A slightly spacious room is also fine

- Semi-furnished preferred (Basic)

Location: Dehiwala, Nugegoda, Kohuwala, Kalubowila

Budget: Rs. 25,000 – 30,000

If you have any leads or suitable options, kindly drop me a message. Your help is truly appreciated. Thank you ♥️