Custom Home Builds

Home Renovation Builder Melbourne - Renovations & Extensions That Actually Stay On Budget

100%

Customer Focus

70+

Projects Completed

25+

Years of Experience

100%

Custom Homes

The Tombay Experience

Transforms Builder Disappointment Into Your Dream Home

You’ve seen what volume builders deliver. Cookie-cutter designs. Rushed timelines. Zero flexibility when you want to change something. 

At Tombay Constructions, we build the home you actually want, not the home that’s easiest for us. Every room purpose-built. Every detail exactly as you imagined. Because after 25 years, we’ve learned that personalised service isn’t optional. It’s everything.

Build In Your Budget

Why 60% of Melbourne Homeowners Pause Their Renovations Mid-Project

Your family’s outgrown the house. The kitchen hasn’t been updated since 1995. You need a home office but there’s nowhere to put it. Moving would cost a fortune, so renovation makes perfect sense.

You get three quotes. One builder says $85,000 for the extension. Another quotes $72,000. The third? Just $58,000. That lower number looks tempting.

Three months in, the “unforeseen costs” start arriving. The existing floor joists need reinforcing. That’s $6,500 more. The electrical panel requires upgrading to handle the new load. Add $4,200. The waterproofing specification was “minimal” in the original quote. Another $3,800. Each week brings a new variation request.

According to Budget Direct’s 2024 Home Renovation Survey, almost 60% of Australian homeowners had to pause their renovations due to financial issues. The number one barrier? Running into financial issues or unexpected costs, affecting nearly three quarters of renovators.

This pattern isn’t random. It’s how many renovation builders operate. They quote low to win the job, knowing they’ll make their profit on variations. By the time you discover the real cost, you’re halfway through the project. Stopping means losing everything you’ve already paid. Continuing means draining savings you didn’t plan to touch.

65% of renovators spent 20-30% more than planned according to 2025 industry data. That $58,000 quote becomes $75,000. Or $82,000. Sometimes more. And with 73% of renovators reporting financial issues or unexpected costs as their biggest barrier, the stress can turn your dream renovation into a nightmare you’re desperate to end.

Here’s what most Melbourne homeowners don’t realise. Quality renovation builders in Melbourne operate differently. They conduct thorough site inspections before quoting. They account for hidden costs like asbestos removal or structural upgrades. They use fixed priced contracts so you know the final price before demolition starts. And they actually stick to the budget they quoted.

Testimonials

Don’t just take our word for it

Expectations Building With Us

What to Expect from Tombay's Melbourne Home Renovations

Construction professional smiling in workwear at construction site.

Renovating your existing home should add space and functionality, not stress and financial strain. Here’s exactly what working with Tombay looks like.

Honest Timelines for Renovation Projects

Most extensions take 4-6 months from permit approval to completion. Full home renovations run 6-9 months depending on scope. We’ll provide a detailed timeline during your quote that accounts for council approvals, site access constraints, and realistic construction schedules. No promises of “8 weeks start to finish” that ignore reality. Just honest timeframes based on actually completing 70+ renovation projects across Mornington, Rye, Sorrento, and Mount Eliza.

Transparent Budget Protection

You’ll receive a comprehensive quote that accounts for all foreseeable costs before any demolition begins. Our fixed priced approach means the price we quote covers everything we can reasonably anticipate through proper site inspection. This protects you from the budget blowouts that plague Australians to pause their renovations mid-project.

Quality Standards That Last

All our renovation work meets current building codes and standards, even when updating older homes. We don’t cut corners to hit unrealistic budgets. Our carpenters are employed directly by Tombay, ensuring consistent quality whether they’re building an extension or renovating your kitchen. This matters when you’re living in the house during renovations and need reliability.

Single Point of Communication

You’ll work with the same person throughout your entire renovation. No being passed between estimators, site managers, and project coordinators. When you have questions about tile selections or concerns about progress, you contact one person who knows every detail of your project. Poor communication causes project delays and cost overruns. We eliminate that by giving you one accountable contact.

Proven Track Record in Peninsula Renovations

We’ve been delivering home renovations Mornington Peninsula wide since 1999. Bathrooms, kitchens, ground floor extensions, second-storey additions. From renovations Mornington to Mount Eliza extensions, Rye kitchen transformations to Sorrento home makeovers. Master Builders Victoria member. Building and Plumbing Commission licensed. We understand the specific challenges of renovating in Peninsula municipalities, from heritage considerations to coastal building requirements.

Experienced Team

Renovating Melbourne Homes Since 1999: Experience That Protects Your Investment

Lee started Tombay Constructions after watching too many homeowners get burned by renovation cowboys who disappeared mid-project or delivered substandard work that failed inspections.

The renovation industry attracts operators who quote unrealistically low, win the job, then either profit from variations or abandon projects when money runs out. Lee saw families stuck in half-finished homes, contractors who wouldn’t return calls, and quality so poor it required expensive rectification.

That’s not how Tombay operates. Every renovation client works with Lee directly. He conducts the initial site inspection. He prepares the detailed quote that accounts for structural realities other home renovation builders in Melbourne ignore. He manages the project from permit application through final council sign-off.

Our Projects

Showcasing Exceptional Projects for Every Purpose.

Custom Home Build

Rye

Custom Home Build

Edithvale

Custom Home Build

Sorrento

Investment Guide To Renovations And Extensions

Home Renovation Cost Melbourne: Understanding Your Investment

Bright hallway with wooden flooring, white walls, and modern recessed ceiling lights.

Renovation pricing confuses most homeowners. You deserve transparency about where money goes and what affects cost.

Melbourne Renovation & Extension Investment Ranges:

Based on 2024-2025 market research and our project experience:

  • Bathroom renovations: $10,000-$40,000 (basic refresh to luxury)
  • Kitchen renovations: $25,000-$70,000 (standard to high-end with stone benchtops)
  • Ground floor extensions: $70,000-$200,000 (single room to open-plan living)
  • Second-storey additions: $150,000-$350,000+ (full upper level with structural work)
  • Complete home renovations: $100,000-$400,000+ (comprehensive transformation)

Melbourne renovation costs average $2,000-$4,500 per square metre depending on finishes and complexity. Victorian homeowners report average renovation spend of $71,067 according to 2024 industry data.

Seven Factors Affecting Your Cost:

  1. Scope and scale (cosmetic refresh vs structural alterations)
  2. Existing home condition (older homes often need asbestos removal, electrical upgrades, structural reinforcement)
  3. Materials and fixtures (off-the-shelf vs custom selections)
  4. Structural modifications (removing load-bearing walls, adding storeys)
  5. Council permits (typically $1,000+ minimum)
  6. Access constraints (narrow streets, small blocks)
  7. Living in-situ (requires additional care, protection, sequencing)

What’s Included in Our Quotes: All labour for specified work, materials as detailed, site establishment and protection, permits and council fees, structural engineering if required, rubbish removal, project management, and builder’s insurance.

Our Process

The steps we take to ensure excellence in every project.

Mistakes Costing Melbourne Renovators

7 Expensive Mistakes When Planning Renovations Melbourne

After 25 years of being one of the best home renovation builders Melbourne homeowners trust, we’ve seen these mistakes cost thousands.

Mistake #1: Accepting Vague Quotes – “We’ll renovate your kitchen for $35,000” sounds clear until you discover that excludes appliances, stone benchtops, and quality cabinetry. Insist on detailed specifications for everything. Exact appliance models. Specific materials. The more detailed the quote, the fewer expensive surprises.

Mistake #2: Starting Without Proper Site Assessment – Many builders quote from photos without checking floor joists, electrical capacity, or asbestos. These “unforeseen” issues surface as expensive variations. Choose renovators who conduct thorough physical inspections before quoting.

Mistake #3: Ignoring Council Permits – Most home extensions Melbourne require planning permits ($1,500-$3,000) and building permits ($1,000+). Heritage areas add $5,000-$12,000 in specialist reports. Unpermitted work creates massive problems when selling. Always obtain required permits.

Mistake #4: Prioritising Price Over Reliability – The cheapest quote often comes from builders juggling too many projects or cutting quality corners. Check credentials thoroughly. License verification. Insurance. Master Builders Victoria membership. Years in business. Reliability matters more than saving $5,000 initially.

Mistake #5: Underestimating Living Through Renovations – No functioning kitchen for months. Kids sharing one bathroom. Constant dust and noise. Discuss logistics thoroughly. How will the builder minimise disruption? What temporary facilities will they provide?

Mistake #6: Failing to Plan Material Lead Times – Custom cabinetry and imported tiles require 8-12 weeks. Builders who don’t plan create expensive delays or force cheaper substitutes.

Mistake #7: Skipping Contingency Buffer – Include 10-20% contingency for legitimate discoveries once walls are opened. This buffer prevents financial stress when adjustments are genuinely necessary.

Why Choose Us For Renovations And Extensions

How Tombay Renovation Builders Melbourne Deliver Your Vision Within Budget

Anyone can promise a beautiful renovation. Delivering it within budget and on time requires experience and honesty.

Bathroom upgrade with wooden vanity and contemporary sink setup.

The cheapest initial quote often becomes the most expensive project.

Before providing any price, we conduct a thorough site inspection. We’re checking structural capacity, existing services, access constraints, and potential complications. This detailed assessment means our quotes account for realities other builders discover “unexpectedly” three months into your project.

We’ll identify if floor joists need reinforcement before extending. We’ll note if your electrical panel lacks capacity for additional circuits. We’ll check for asbestos in walls we’ll be opening. These factors affect cost. Including them in the initial quote protects you from costly variations.

This upfront honesty matters. The cheapest initial quote often becomes the most expensive project. Our fixed priced contracts mean the price we quote accounts for everything we can reasonably foresee. You’ll know your investment before demolition begins.

Normal life continues while we transform your home.

We understand renovating while living in your home creates stress. Kids still need functioning bathrooms. Meals still need preparing. Work still requires quiet spaces for video calls.

We sequence work to maintain functionality. If renovating your kitchen, we’ll set up a temporary cooking area. When updating bathrooms, we ensure at least one remains accessible. We contain dust, maintain clean pathways, and finish each day with the site secure and tidy.

This thoughtful approach reduces the disruption that makes renovations unbearable. You’re not camping in your own home for months. You’re living reasonably comfortably while we transform the spaces around you.

Many renovation builders treat occupied homes like empty construction sites. We treat them like what they are: someone’s home where normal life continues.

Your extension shouldn't look like an obvious addition.

Adding space to your home shouldn’t look like an obvious addition. Our property renovation approach ensures extensions blend seamlessly with existing architecture. We match materials, roof lines, and finishes so the new space feels original to the house.

This attention to home extension design requires experience. Understanding how older homes were constructed. Sourcing materials that match or complement existing features. Ensuring the extension enhances your home’s value rather than looking like a cheap add-on.

When over 30% of Melbourne homeowners have renovation budgets between $5,000-$15,000 according to Budget Direct data, making those dollars count means delivering quality that lasts and looks right. Premium finishes matter less than thoughtful integration with what’s already there.

We don't take shortcuts that pass initial inspection but create problems years later.

Renovating to current building codes protects your investment. We don’t take shortcuts that pass initial inspection but create problems years later. Proper waterproofing. Adequate ventilation. Appropriate structural support. These standards exist for good reasons.

All our work meets or exceeds Building Code of Australia requirements. We handle council permits and inspections. We document everything properly. If you ever sell, buyers and their building inspectors won’t find concerning shortcuts from a budget renovation.

This commitment to proper standards sometimes means our quotes aren’t the absolute cheapest. But it means your renovation adds genuine value rather than creating future liability.

Areas We Service

Building Dream Homes Across Melbourne’s South-East and Bayside

At Tombay Constructions, we’re proud to serve families and professionals throughout Melbourne’s south-east corridor, Bayside suburbs, and the Mornington Peninsula. Our deep local knowledge means we understand council requirements and neighbourhood nuances unique to each area.

From coastal retreats to family homes in thriving urban communities, we help clients transform their vision into beautifully crafted, custom homes.

Trusted by Families Across These Suburbs

Our Vision

At Tombay Constructions, our vision is to change how people experience building a home. We believe building isn’t about being the cheapest. It’s about being the clearest, with transparent communication and creating spaces that perfectly reflect each client’s style and way of life.

Home Renovation Builder Melbourne

A home renovation builder in Melbourne can transform the house you already love into a space that perfectly fits your lifestyle. Tombay Constructions comprehensive home renovation services across Melbourne’s south-east and the Mornington Peninsula, helping homeowners reimagine their spaces with style, functionality, and lasting quality.

Renovations give you the opportunity to tailor your home to the way you actually live. Perhaps your living areas feel cramped, the kitchen no longer suits your family’s needs, or you want to introduce more natural light and connection to outdoor spaces. Whatever the goal, working with the right team ensures these changes feel seamless, practical, and visually appealing.

Creating Spaces That Work For You

The first step in any project is understanding how you and your family use your home. This allows us to design solutions that improve flow, maximise storage, and enhance comfort. Whether it’s opening up a living area, adding an extension, or modernising kitchens and bathrooms, our approach is always centred on your lifestyle.

Every change is carefully considered to integrate naturally with your existing home. This includes matching materials, aligning rooflines, and ensuring layouts feel intuitive. The result is a home that functions better while maintaining the charm and character you love.

Expert Guidance Through The Process

Renovating a home can present unique challenges, from hidden structural issues to outdated services. That’s where our experience as a home renovation builder comes into play. We guide you through every stage of the project, helping you navigate approvals, coordinate trades, and make decisions about finishes and layouts.

For homeowners searching online for renovation builders near me, Tombay Constructions stands out by combining technical expertise with personalised service. Our team ensures timelines, budgets, and design intentions are clearly communicated, so you always know what’s happening and when.

Extensions That Feel Natural

Adding new spaces to an existing home isn’t just about extra square metres — it’s about creating areas that feel intentional and cohesive. We focus on extensions that blend seamlessly with your home, whether it’s a larger family zone, a second storey, or a sun-filled lounge area. Every detail, from external finishes to internal transitions, is carefully planned to make the addition feel like it was always part of the original house.

Quality That Lasts

We believe a renovation should deliver more than aesthetic improvements — it should enhance the long-term comfort, durability, and efficiency of your home. Tombay Constructions uses quality materials, smart layouts, and attention to detail to ensure every renovation stands the test of time. Energy efficiency, practical storage, and low-maintenance finishes are considered alongside design to create spaces that work now and into the future.

Renovate With Confidence

Choosing the right team is essential to a successful renovation. Midway through your project, the benefits of working with a skilled home renovation builder become clear: consistent craftsmanship, clear communication, and careful management of both new and existing elements of your home.

By the time your renovation is complete, you’ll have spaces that are brighter, more functional, and perfectly suited to your family’s lifestyle. At Tombay Constructions, we make sure your home feels transformed — without losing the comfort and familiarity that made it special in the first place.

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