onosm.org submitted note from a business:
name: Spoil'd Beauty Lounge
phone: 0473001594
website: Facebook.com/spoildbeautylounge
twitter:
facebook: www.facebook.com/spoildbeautylounge
email:
hours:
category: Beauty & Spas
address: 23 mckenzie street, melton

onosm.org submitted note from a business:
name: The Little Deli & Panini Bar
phone: 0397422578
website: www.thelittledeli.com.au
twitter:
facebook: https://www.facebook.com/thelittledeliandpaninibar/
email:
hours: Monday - Saturday 8-4pm
category: Coffee Shops, Delicatessen
address: 61 Watton street werribee

onosm.org submitted note from a business:
name: OLD CAR REMOVAL PTY LTD
phone: 0451 376 429
website: https://www.oldcarremoval.com.au
twitter: https://twitter.com/OldCarRemoval
facebook: https://www.facebook.com/oldcarremoval.com.au
email: info@oldcarremoval.com.au
hours: Monday - Friday 8 am to 6 pm Saturday 8 am to 4 pm.
category: Automotive
address: 18 Plummer Road, Laverton North Vic 3026

this roundabout has been converted to a traffic like controlled intersection

The Roxburgh Park Hotel website says its address is 225 Somerton Road ("on the corner of ...")

new residential estate under construction

Unable to answer "What kind of building is this?" for osm.org/way/675839752 via StreetComplete 31.0:

Childcare centre

Unable to answer "What are the opening hours of Cohealth (Clinic)?" for osm.org/way/675839753 via StreetComplete 31.0:

This is "Laverton Community Hub". Health care centre is one of the tenant.

saw on a real estate listing that this estate is now under construction. The imagery is not up to date at the moment, so the ways are approximate for now

Bullengarook 80 kmph zone is missing from the map.