• Highly Experienced

    We specialize in renovations, knockdowns and rebuilds

    Our Services

Professional and organized tradespeople ensure everything is done on time and within budget

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Total Renovation

Melbourne Total Home Renovation Specialist- With your family growing, your home can also grow alongside through renovations and extensions. At 5J Building Group we offer total home renovation, landscaping, fence and home extensions in Melbourne city. We make renovation plans according to your need, and it’s totally free of cost at your doorstep. Let our experts transform your home into the dream space you’ve always wanted. Get Free Quote Now!

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Melbourne Bathroom Renovation Specialist

After a long day’s work, all you want to do is take a long bath and just forget all your worries. That’s why having a beautiful bathroom is important and who’s better to help you than us. 5J Builders have years of experience of renovating bathrooms in Melbourne. We have the best interior designers and experts which will transform your bathroom as per your needs.

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Home Extension

A house is made of walls and beams; a home is built with love and dreams. For years now, we have been doing some of the most breath-taking home extensions Melbourne has ever seen. Our designers are dedicated and our craftspeople highly skilled. Since we are transparent in our dealings, we always meet our customers’ home extension expectations.

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Melbourne Kitchen Renovation Specialist

Kitchens are made for bringing families together. Everything happens in the kitchen. Life happens in the kitchen. We have been in the kitchen renovation business for years and have some of the most experienced designers. We design classic kitchens, modern kitchens and French provincial kitchens. Contact us now.

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5J Building Group:
Your Home Renovations Expert in Melbourne

Trusted Home Renovations Builder

Welcome to 5J Building Group, a trusted home renovations builder in Melbourne city of Australia. We have been renovating homes in Melbourne for more than 20 years. Apart from this, we are highly specialized in home renovations, from home extensions, bathroom renovations, kitchen renovations and knockdown rebuilds.

We Deliver a High Class Renovation

Some people looks for a beautiful place, others make it a beautiful place. That what 5J builders love to do. We deliver a high class renovation in very affordable and competitive price.

Our team of experts and project managers actively monitor the whole project and we have completed all our renovation projects on time and within the given budget.

No Hidden Cost

We started the project by making a well designed customized free quote according to your budget and we don’t have any hidden cost for the renovation quote.

Ready to renovate your sweet home? Join us in this thrilling journey and see the difference. Check our recent projects.

  • Renovations Before & After

    Our goal is 100% satisfaction for all clients and we work extremely hard to achieve this.

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Home Renovation FAQs

This is dependent on the extent of work required. Minor cosmetic renovations usually take anywhere between a few days to 3 months, for example two bathroom and a kitchen renovation normally takes 4-8 weeks. On the other hand, major renovations can take 2 to 4 months to complete. Extension and new build will take up to 10 month.

Ideally, you shouldn’t spend more than 5% to10% of your total property value on renovations. To give you context, kitchen renovations usually cost between $10,000 to $35,000 while living room renovations can cost anywhere between $2,000 and $15,000.

Renovations have been known to improve your property value by up to 80%. This is particularly true when it comes to kitchen and bathroom renovations. These two parts are most recommended for renovation. Ultimately, the exact figure is dependent on the extent of your renovation. For example, spend $30,000 on renovation normally can get $80,000 to $300,000 added up on sale price depends on the property value.

With 15 years of home renovation experience and some of the best tradespeople in Australia, we come highly recommended. In fact, we can show you some referrals on request. As for now, you can check out some of our work on our gallery page.

When we’re doing large-scale renovations, you are better off staying elsewhere, especially in the beginning. However, with some projects such as some minimally invasive home extensions, you can comfortably stay in your home.

Your kitchen and bathroom are the focal points of your home and serve both aesthetic and functional purposes. As such, renovating them not only significantly increases the value of your property but also freshens it up.

We value clear and consistent communication and will always keep you in the loop, especially when it comes to weekly project progress. Should you even have a change of heart as pertain to design elements, just let us know and we’ll do our best to incorporate the necessary adjustments.

Yes, we bring all the necessary contractors with us. In fact, they all work for us. They are friendly, polite, and top-tier professionals. Since we vet them ourselves, we assure you won’t have to deal with any inappropriate behavior. We are registered builders which means you can always find us and have top quality of your renovation.

Check our customer reviews

5J Renovation Blog

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Melbourne House Building Without Shortcuts: 5J Building on Quality and Timely Delivery

Victoria’s house construction times have risen sharply, but 5J Building delivers homes on schedule without cutting essential steps. The article explains which construction stages cannot be rushed—like foundations, approvals, and inspections—and shows how 5J Building ensures both quality and timely delivery through smart planning, trusted suppliers, and modern building practices.
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Melbourne Home Renovation 2025: Top Trends, Costs & Expert Tips from 5J Building

Discover the top Melbourne home renovation trends for 2025, including open-plan living, outdoor upgrades, energy efficiency, smart home tech, and heritage modernisation. Get expert guidance and cost insights from 5J Building. Call 9886 3731 today!
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Melbourne Kitchen Renovation Trends 2025: What’s In, What’s Out

Thinking of adding space to your home? Discover whether a modular Granny Pod or a traditional Home Extension is the right choice for your backyard. 5J Building breaks down the pros, cons, costs, and key considerations.
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Home Extensions or Granny Pods? 5J Building Weighs the Pros and Cons

Thinking of adding space to your home? Discover whether a modular Granny Pod or a traditional Home Extension is the right choice for your backyard. 5J Building breaks down the pros, cons, costs, and key considerations.
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Home Renovation in Victoria – 2025 Insights & Tips Advice from 5J Building

Explore expert renovation advice for Victoria homeowners in 2025. Learn key tips, cost estimates, and common pitfalls for living rooms, bedrooms, kitchens, and outdoor spaces — plus insights from 5J Building to help you plan a successful full-home renovation.
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Total renovation

  • Renovation Service
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  • Professional advice
  • Fast and reliable work during construction
  • Highly experienced staff
  • 100% satisfaction guaranteed

Building New House

  • Choosing land
  • Feasibility report
  • Planning and design
  • Permit grants
  • Construction
  • Marketing

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