In order to connect garden hose to indoor sink tap, you need to use tap adaptor, and also identify if your tap has aerator or not. I will list as following.
Faucet with aerator
1. Identify aerator type and size
Please use the following link page to find out how to identify aerator type and size.
2. Find faucet adaptor if you use aerator
Pope Indoor Tap Adaptor For Connect Garden Hose to Sink Tap 1010749
DB HARDWARE Sink Tap Click-Ons For Garden Hose,Washing Machine,Hand Shower
DB Hardware Tap Adaptor For Connect Garden Hose to Indoor Tap K1
HOZELOCK Indoor Threaded Tap Connector 2304
3. If you can not find adaptor in section 2.
If your aerator size is not suitable for anything list in section 2, then pick a converter first, then use with "DB HARDWARE Sink Tap Click-Ons For Garden Hose,Washing Machine,Hand Shower"
-Find faucet converter if you use Female aerator
For 23mm aerator (most common size)
-Find faucet converter if you use Male aerator
For 23.5mm aerator (most common size)
Faucet without aerator
If your indoor tap has no aerator, then use the one of following adapter. Ensure the diameter of your tap first, then pick the one from following.
Tap Multifit Adapters For Connect Garden Hose to 10-15mm Tap 7595
Tap Multifit Adapters For Connect Garden Hose to 14-20mm Tap L1J1
HOZELOCK Tap Adapter For Connect Garden Hose to 20-24mm Tap 2177