Home Extensions Melbourne

Ground floor extensions, rear additions, and internal reconfigurations by registered builders.

5.0 Google Reviews  |  VBA Registered CDB-U 52281  |  Fully Insured  |  Family-Owned Since 2013

Extension Services We Offer

Comprehensive home extension services from foundations to finishing, all under one registered builder.

Ground floor extensions
Rear additions
Internal reconfiguration + extension
Second storey additions
Slab and footings
Structural framing
Roofing and cladding
Electrical and plumbing
Internal fit-out and finishing
Council and permit management

Types of Extensions We Build

Whether you need more space at the back, side, or up top, we have the experience to deliver.

Ground Floor Extension

Add living space, bedrooms, or entertaining areas at ground level. Ideal for growing families who want to expand without going up.

Rear Addition

Extend the back of your home for open plan living, kitchen, or family room. Perfect for connecting indoor and outdoor spaces.

Internal Reconfiguration

Reimagine your existing floor plan combined with additional space. Remove walls, open up rooms, and add where you need it most.

Second Storey Extension

Add a full second level for bedrooms, bathrooms, or living areas. Maximise your block without sacrificing yard space.

Why Choose Smile Constructions

Melbourne homeowners trust us for quality, transparency, and professionalism.

VBA Registered

Registered Domestic Builder CDB-U 52281. Licensed, qualified, and compliant with all Victorian building regulations.

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Fully Insured

Comprehensive builders warranty insurance, public liability, and WorkCover for complete peace of mind.

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Direct Builder Contact

You deal directly with the builder throughout your project. No salespeople, no project managers in between.

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Statutory Warranties

All work backed by statutory warranties: 10 years structural, 6 years non-structural as required by law.

How Your Extension Project Works

A clear, structured process from the first call to final handover.

1

Contact Us

Site visit to discuss your extension plans and assess feasibility.

2

Detailed Quote

Written quote covering scope, structural requirements, and cost.

3

Permits & Approvals

We manage building permits, planning permits, and council requirements.

4

Build Phase

Full construction from footings to finishing with daily updates.

5

Handover

Completed extension ready to enjoy, backed by statutory warranties.

What Our Clients Say

★★★★★
"Professional, reliable, and the finished result exceeded our expectations. Smile Constructions managed every aspect of the project seamlessly."
Emil
Melbourne
★★★★★
"Excellent communication and quality workmanship. The team kept us informed throughout and delivered exactly what was promised."
Vincent
Melbourne
5.0
★★★★★

Rated 5.0 Stars by Real Melbourne Homeowners

Every review is from a genuine client. We earn our reputation on every project we deliver.

Extension Investment Guide

Typical investment ranges for Melbourne home extensions. Every project is unique and quoted individually.

Entry
$100,000 – $150,000

Single room ground floor extension or rear addition.

Premium
$250,000+

Large extension or second storey with premium finishes.

Build-only pricing. If you need architects, engineers, or surveyors, we have trusted contacts and can arrange this for you. Prices are indicative and based on typical Melbourne extensions. Every project is quoted individually based on your specific requirements.

Frequently Asked Questions

Common questions about home extensions in Melbourne.

Home extensions typically start from $100,000 depending on the size, complexity, and finishes involved. A single room ground floor extension is at the lower end, while multi-room or second storey additions are at the higher end. We provide a detailed, no-obligation quote after a phone chat and an on-site consult.
Yes, we manage all building permits and planning permits required for your extension. This includes council submissions, building surveyor appointments, engineering requirements, and compliance certificates.
Not always. For simpler extensions, detailed builder drawings may be sufficient. For more complex projects or heritage overlays, an architect is recommended. We can advise during the consultation and connect you with trusted architects if needed.
Most home extension projects take 12 to 24 weeks depending on the size and complexity. Single room extensions are typically faster, while second storey additions or large multi-room extensions take longer. We provide a detailed timeline with your quote.
Yes. Smile Constructions is a VBA Registered Domestic Builder, registration number CDB-U 52281. We are fully licensed, insured, and compliant with all Victorian building regulations.
All work is backed by statutory warranties as required under Victorian law: 10 years for structural defects and 6 years for non-structural defects. We also carry domestic building insurance for your protection.
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See Your Extension Before It's Built

Not sure how your extension will look? We create 3 free AI renders of your extension concept — so you can visualise the finished result before any work begins.

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Realistic Visuals
See your space transformed
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Completely Free
No cost, no obligation
3 Concepts
Explore different styles
Ask About Free Renders

Request Your Free Extension Consultation

Tell us about your extension plans and we will be in touch within 24 hours to arrange your free, no-obligation site visit.

Thank You!

Your consultation request has been received. We will be in touch within 24 hours.

Need to talk sooner? Call us on 0424 323 559

  • VBA Registered
  • Fully Insured
  • No Obligation
  • Detailed Fixed-Price Quotes
  • Response Within 24 Hours

Ready to Extend Your Home?

Tell us about your project and take the first step toward more space.

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