★★★★★
Best builder in the melbourne
I had a very great experience with 5j Building Group from start to finish
Evan L.08 Dec 2023 · Word of Mouth
About 5J Building Group
Home renovation in Mitcham by a registered local builder
5J Building Group brings more than 20 years of Melbourne renovation experience to Mitcham's leafy streets. As a registered domestic builder, we've completed recent projects in Vermont South and Box Hill, and we're used to working with Whitehorse's tree and landscape controls.
Mitcham was once known for its orchards and potteries, and it became a suburban area during the post-war expansion from the 1950s. Today it's a green, established suburb with bushland reserves such as Antonio Park and Yarran Dheran along Mullum Mullum Creek, a busy shopping centre around Whitehorse and Mitcham Roads, and easy access to EastLink.
Many of Mitcham's post-war homes are well placed on good-sized blocks but need modern kitchens, updated bathrooms and better indoor-outdoor living. We check which trees are protected, design around them and build it with our own team, starting with a free on-site quote.
20+ years renovating Melbourne
Registered builder CDB-U 73492
Word of Mouth 2025 Service Award
Why 5J
Why Mitcham homeowners choose 5J Building Group
20+ years' experience
Two decades of renovating Melbourne homes means we know which materials suit which rooms, and where projects typically run into trouble.
Registered & licensed
Registered Domestic Builder (Unlimited), CDB-U 73492. You're dealing with an accountable, licensed builder, not a middleman.
Our own trades
We organise all the contractors and they work for us. They're vetted, professional and respectful of your home.
No hidden costs
Every job starts with a free, customised quote built around your budget. What we quote is what you pay for.
On time, on budget
Our project managers monitor every stage so your renovation is delivered on schedule and within the agreed budget.
Weekly updates
You'll hear from us every week on progress. Change your mind on a finish? Tell us and we'll work it in.
Our services
Renovation services in Mitcham
Whether it's one room or the whole house, we handle design, approvals and construction under one contract.
Total home renovation
Full-house renovations that modernise layout, finishes and function, including landscaping, driveways and fencing.
Learn more →Home extensions
Ground-floor and second-storey extensions that add space for a growing family without the cost of moving.
Learn more →Kitchen renovations
Classic, modern and French provincial kitchens designed around how your family actually cooks and gathers.
Learn more →Bathroom renovations
Ensuites, family bathrooms and laundries, from waterproofing and tiling through to final fit-off.
Learn more →Knockdown & rebuild
Land selection, feasibility, planning, permits and construction for a brand-new home on your block.
Learn more →Granny flats
Self-contained small second dwellings, prefabricated or built on site, for family, guests or rental income.
Learn more →Recent work
Recent renovation projects
A selection of recent 5J renovations in Mitcham and across Melbourne.
Reviews
What our customers say
Real 5-star reviews from 5J Building Group customers on Word of Mouth.
★★★★★
Reliable team and seriously good quality
Jason and his team takes my every request with diligence and delivers real quality works. They are reliable and trustworthy. Thumbs up.
Mandy M.14 Mar 2025 · Word of Mouth
★★★★★
I had a very great experience with 5j Building Group，some other problems can also give professional advice , highly recommend!
yuan B.19 Dec 2023 · Word of Mouth
★★★★★
A wonderful builder team
The service provided by Jason in particular exceptional， From the start of the build until handover the process was made very clear and simple by Jason and his team we could not be happier with the whole process! I strongly recommend them
Yuki Z.07 May 2025 · Word of Mouth
Rated 5.0 ★ on Word of Mouth. Read all our reviews
About the area
Renovating in Mitcham
Mitcham sits about 20 km east of the Melbourne CBD in the City of Whitehorse. Mitcham station on the Belgrave and Lilydale lines, Whitehorse Road and EastLink along the northern and eastern boundaries keep it well connected.
Mitcham's bushland parks and tree-lined streets are protected by Whitehorse's Vegetation Protection Overlay, and some areas, such as around Yarran Dheran, have a Significant Landscape Overlay too. Renovations here work best when they're designed around established trees from the start.
| Postcode | VIC 3132 |
|---|---|
| Council | City of Whitehorse |
| Distance to CBD | Approx. 20 km east |
| Area | 6.8 km² |
| Population | 16,795 (2021 Census) |
| State electorate | Ringwood |
| Federal division | Deakin |
| Neighbouring suburbs | Ringwood North, Donvale, Ringwood, Vermont, Forest Hill, Nunawading |
We also renovate across nearby suburbs including Nunawading, Vermont, Forest Hill and Blackburn. See all suburbs we service.
Local planning
Planning and permits in Mitcham
Mitcham is in the City of Whitehorse, so renovations are assessed under the Whitehorse Planning Scheme and Victoria's building regulations. These are the controls we check most often before designing a Mitcham renovation.
Check your zone and overlays
Your zone and any overlays decide which rules apply. Search your address on Whitehorse Maps to see the overlays on your property, then check the matching clauses of the Whitehorse Planning Scheme. We do this for every job before design starts.
When an extension needs a permit
Under the standard residential zone rules, extending a single house often doesn't need a planning permit unless the lot is under 300 m² or an overlay applies. In Whitehorse, overlays are common, so this check matters. Structural work also needs a building permit from a registered building surveyor, which we arrange.
Landscape overlays in Mitcham
As well as Whitehorse's Vegetation Protection Overlay, some parts of Mitcham, including the Yarran Dheran area, have a Significant Landscape Overlay with its own protected-tree thresholds. These controls can affect where an extension goes and how it's built near existing trees.
Whitehorse's tree controls
Whitehorse applies a Vegetation Protection Overlay across its suburbs, which protects trees with a single trunk circumference of 50 cm or more measured 1 m above ground. Some areas also have a Significant Landscape Overlay with their own thresholds, and Victoria's canopy tree rules (Clause 52.37) apply near front and rear boundaries. Dead trees are generally exempt.
Planning rules change and every property is different, so treat this as a general guide rather than planning advice. We confirm the controls for your address as part of your free quote.
FAQs
Mitcham renovation FAQs
Do I need a permit to renovate my home in Mitcham?
It depends on the work and your property. Extending a house usually only needs a planning permit if the lot is under 300 m² or an overlay applies, and many Whitehorse properties have tree or landscape overlays. Structural work also needs a building permit. We check your property's overlays early and manage the permits as part of the job.
Will trees on my Mitcham block limit an extension?
They can shape it. Whitehorse's Vegetation Protection Overlay protects trees with a trunk circumference of 50 cm or more at 1 m above ground, and some areas have a Significant Landscape Overlay too. We check which trees are protected, plan around their root zones and design the extension to suit.
Do I need a permit to remove a tree before renovating in Mitcham?
Often, yes. Whitehorse's Vegetation Protection Overlay protects trees with a trunk circumference of 50 cm or more measured 1 m above ground, and a Significant Landscape Overlay can add further controls in some areas. Dead trees are generally exempt. We check your trees at the design stage and build any permit into your timeline.
How much does a renovation in Mitcham cost?
Every home is different, so we quote each job individually after an on-site visit. As a general guide, many homeowners aim to spend around 5–10% of their property's value on a renovation. Our quotes are free, tailored to your budget and have no hidden costs.
How long does a home renovation take?
It depends on the scope. A kitchen and two bathrooms typically take 4–8 weeks, larger renovations usually take 2–4 months, and extensions or new builds can take up to 10 months. We give you a clear timeline with your quote.
Do you also renovate in suburbs near Mitcham?
Yes. We renovate across Whitehorse and the surrounding suburbs, including Nunawading, Vermont, Forest Hill and Blackburn. You get the same team, the same trades and the same free on-site quote wherever you are.
5J Blog
Renovation ideas and advice
Ready to renovate your Mitcham home?
Book a free on-site quote. We'll look at your Mitcham home, its trees and garden, and give you a renovation plan built around your budget.