# 5J Building Group

> Total Home Renovation Specialist & Trusted Builders in Melbourne

5J Building Group is an experienced, registered home renovations builder (Domestic Builder Unlimited & CDB-U 73492) based in Melbourne, Victoria, Australia. With over 20 years of experience in the industry, we specialize in high-quality whole house renovations, bathroom renovations, kitchen renovations, custom home extensions, knockdown rebuilds, and granny flats. We manage projects from concept to completion, with transparent pricing, no hidden costs, and professional project management.

## Key Services & Offerings

- [Home](https://www.5jbuilding.com.au/): Main portal for 5J Building Group.
- [Home Renovation](https://www.5jbuilding.com.au/home-renovation-melbourne/): Comprehensive total home transformations, including living spaces, structural changes, and full interior makeovers.
- [Home Extension](https://www.5jbuilding.com.au/home-extension-melbourne/): Expanding living spaces with skilled designers and craftspeople, ideal for growing families.
- [Bathroom Renovation](https://www.5jbuilding.com.au/bathroom-renovation-melbourne/): Custom bathroom design and renovations tailored by our expert interior designers.
- [Kitchen Renovation](https://www.5jbuilding.com.au/kitchen-renovation-melbourne/): Design and build for classic, modern, and French provincial kitchens.
- [New Build](https://www.5jbuilding.com.au/new-build/): Complete new home construction services including feasibility reporting, land selection, planning, permit grants, and building.
- [Granny Flats](https://www.5jbuilding.com.au/granny-flats-melbourne/): On-site built and prefabricated granny flat solutions.
- [Free Quote](https://www.5jbuilding.com.au/get-free-quote/): Get a free quote by input some details or uploading plans.
- [Renovation Projects](https://www.5jbuilding.com.au/renovation-projects/): View recent completed renovation projects across Melbourne.
- [Online Shop](https://www.5jbuilding.com.au/shop/): We sell premium building and bathroom supplies, including showers, toilets, vanities, kitchen sinks, laundry tubs, flooring (timber, carpet, engineer, tiles), and custom home decorations.

## Business Context & Important Information

- **Service Area:** Melbourne, Victoria, Australia.
- **Offices:** - Brighton: Level 1, Suite 9/214 Bay Street, Brighton, VIC 3186
  - Toorak: Level 1, 459 Toorak Road, Toorak VIC 3142
- **Contact Information:**
  - Phone: 03 9886 3731 / 0424 883 173
  - Email: info@5jbuilding.com.au
- **Licenses:** Registered Domestic Builder (Unlimited) & CDB-U 73492.
- **Process & Guarantees:** 5J Building Group provides free personalized quotes without hidden costs. We provide all fully-vetted contractors and manage the timeline to ensure work is completed on schedule and within budget.
- **Reputation:** We hold a 5.0-star rating on Google Reviews with over 80 reviews and have won Word of Mouth Service Awards.
- **Blog:** We regularly post industry insights, design trends, and renovation advice (e.g., wall removal permits in Victoria, 2026 home renovation trends) on the [5J Blog](https://www.5jbuilding.com.au/category/5j-blog/).