THE PEAK
80m2 3-4 BEDROOM DWELLING
DIY Kit Starting from $145,000
COMPLETE DWELLING, COUNCIL AND INSTALLATION PACKAGE STARTING FROM $179,000
THE EXPANDIFY DIFFERENCE
- Traditional house appearance - no boxy look!
- Assembled on site in 3-5 days
- Suitable for hard-to-access locations
- Flexible design with customisable features
- Open plan living, kitchen, and dining area flowing to a full length veranda
- Galvanised steel frame, fully certified by Australian engineers to Australian Standards
- Living area under 50m2, meeting many council requirements for a secondary dwelling.
- 2.4m to 2.7m pitched – high ceilings for a spacious feel
- Optional insulation enhancements for better energy efficiency

Patented System
Some of Expandify models offer the industry leading patented version of granny flats. Our unique roof design features a in-built expanding system with a 10° pitch, providing the look and feel of a traditional home while maintaining the flexibility of expandable granny flats designs.

Aesthetic Designs
Expandify homes feature aesthetically pleasing exteriors, moving away from boxy modular designs and exposed frames, offering a traditional Australian home look that appeals to neighbours and town planners.

Custom Build Options
Choose from Basic Model or Inclusive Package, with customisable features including flooring, walls, bathroom tiles, cladding colours, layouts, and number of bedrooms.

Energy Efficient Windows & Doors
High-quality, energy-efficient 110 series, 3 track aluminium framed windows and doors with tempered double glass, thermal break, argon-filled, crystal grey, low E glass and fully equipped with child locks and flyscreens.

Superior Insulation
With 120mm (5in) thick walls, insulated ceilings, roofs, and underfloor sealed insulation, plus options for ceiling fans and reverse-cycle air conditioning, Expandify homes offer superior insulation and excel in heating and cooling efficiency, making them stand out in the expandable granny flats market.

Energy Efficient Assessments
Custom energy assessments ensure each home exceeds the 7-star energy rating. Assessments are tailored to your chosen dwelling, inclusions, colours, site address, and orientation.

Bal Rating
Built to Bushfire Attack Levels (BAL) 12.5 standards with Rockwool insulation and metal cladding, with optional upgrades to BAL 19 for higher bushfire safety.

Compliance & Engineering
All homes are engineered and built to Australian and New Zealand standards, meet Australian Building Code regulations, and come standard with N2 wind rating, upgradeable to N4/C2 if needed.

See For Yourself
Expandify invites customers to walk through the buildings before placing an order. Committed to transparency and customer satisfaction, Expandify offers to reimburse up to $1000 in travel costs, deducted from the final payment of your new home (T&C’s apply)
Custom Build Options
Choose from Basic Model or Inclusive Package, with customisable features including flooring, walls, bathroom tiles, cladding colours, layouts, and number of bedrooms.
Fast Installation
The install team will assemble your dwelling within an average timeframe of 3-5 business days.
Traditional House Aesthetic - No Boxy Look!
An open-plan living, kitchen, and dining area seamlessly transitions to a full-length veranda. With no load-bearing walls, the layout can be customised to suit your specific needs.
Ceiling Height
Featuring 2.4m to 2.7m pitched, fully certifiable high ceilings that create a spacious and open atmosphere.
Galvanised Steel Frame
Fully certified by Australian engineers to Australian standards.
Patented System
Some of Expandify models offer the industry leading patented version of granny flats. Our unique roof design features a in-built expanding system with a 10° pitch, providing the look and feel of a traditional home while maintaining the flexibility of expandable granny flats designs.
Aesthetic Designs
Choose from Basic Model or Inclusive Package, with customisable features including flooring, walls, bathroom tiles, cladding colours, layouts, and number of bedroomExpandify homes feature aesthetically pleasing exteriors, moving away from boxy modular designs and exposed frames, offering a traditional Australian home look that appeals to neighbours and town planners.
Energy Efficient Windows & Doors
High-quality, energy-efficient 110 series, 3 track aluminium framed windows and doors with tempered double glass, thermal break, argon-filled, crystal grey, low E glass and fully equipped with child locks and flyscreens.
Superior Insulation
Constructed with robust 120mm (5-inch) thick walls, insulated ceilings, roofs, and underfloor sealed insulation, along with ceiling fans, Expandify homes deliver exceptional thermal performance. These features provide superior insulation and efficiency in heating and cooling, setting them apart in the granny flat market.
Energy Efficient Assessments
Custom energy assessments ensure each home exceeds the 7-star energy rating. Assessments are tailored to your chosen dwelling, inclusions, colours, site address, and orientation.
Bal Rating
Built to Bushfire Attack Levels (BAL) 12.5 standards with Rockwool insulation and metal cladding, with optional upgrades to BAL 19 for higher bushfire safety.
Compliance & Engineering
All homes are engineered and built to Australian standards, meet Australian Building Code regulations, and come standard with N2 wind rating, upgradeable to N4/C2 if needed.
See For Yourself
Expandify invites customers to walk through the buildings before placing an order. Committed to transparency and customer satisfaction, Expandify offers to reimburse up to $1000 in travel costs, deducted from the final payment of your new home (T&C’s apply)
Engineer Approved
Expandify designs modular buildings to meet Australian Standards with a focus on safety, security, and durability. Built to withstand Australian conditions, our homes feature secure, weather-tight construction that won’t leak.
Classified Class 1A Buildings
Expandify modular buildings are classified as Class 1a buildings under the National Construction Code (NCC) because they are designed for residential purposes and built to provide safe, habitable spaces. Expandify modular buildings meet strict requirements for structural integrity, fire safety, energy efficiency, and liveability, ensuring durability, occupant safety, and overall comfort.
BCA/NCC Compliant
Expandify buildings are engineered and built to Australian standards, meet Australian Building Code regulations, and come standard with N2 wind rating, upgradeable to N4/C2 if needed.
- Flexible and customisable designs. Our designs can be customised to suit your individual preferences and needs. Customisable features include but are not limited to, flooring, walls, bathroom tiles, cladding colours, floor plan layout and the number of bedrooms.
Featuring 2.4m to 2.7m pitched, fully certifiable high ceilings that create a spacious and open atmosphere.
CHOOSE YOUR OWN HOME
-
Basic Model
Building is built to basic model stage
$104,990 -
choose your own
Start with basic model and design your own
Start from $104,990 -
Inclusive Package
Everything you need to start living
Start from $129,990
Basic model STANDARD INCLUSIONS
Ease of Installation
Your choice of inclusions
Faster Build Time
Effective Quality Assurance
Cost effective building solutions

Class1A Buildings
Structural Engineering Approved
All electrical SAA certified
All Plumbing Watermark Certified
AS2047 Certified Windows and Doors

Traditional House Appearance
Patent Pending Design Gable Roof
2.7m, 5deg Internal Raked Ceilings
Metal External Cladding (Designer)
Unique Design to create Thermal Break

Rockwool Insulation throughout
Higher Insulation properties
Fire Resistant & Non Shrinkage
Moisture and Mould Resistant
Sound Absorbent Internal & Externa

More Durability
Fire Resistant
Low Maintainance
Eco Friendly Materials
Pest Resistant

Stops the cold floors
Increased Impact Rating
Moisture and Mould Resistant
Fire Resistant & Metal Lined
Higher R-Value Insulation

Impact Resistant
Durability & Strength
Fire Resistant
Water & Rot Resistant
Pest & Termite Resistant

Pre-Wired to Australia Standards
SAA Certified Accessories
Wiring Suitable for Insulation
Designated Wiring for Stove and Air Con
Tri White Dimmable Down Lights

Australian Standard Entry Doors
5 Tick ISO Certified Company
Optional Single or Double Doors
Anti-theft Stainless Steel Security Mesh
Aluminium Frame, High Quality Finishes

Certified AS2047 Windows
5 Tick ISO Certified Company
Three Track Sliding Windows
Stainless Steel Flyscreens
Aluminium, High Quality Finishes

Download Your Quote
Optional INCLUSIONS
Some items will be pre-installed and some items are optional extras that are installed after the house is on its foundations and expanded.
- PVC Flooring
- SPC Flooring
- Bedrooms (wall/s and internal door)
- 2 x Bathroom & Laundry Combo
- Veranda Deck
- Patio Roof
- Single Door (Back Door)
- Ceiling Fans
-
House Plumbing
(completed to NCC Standards) -
Extra Power Points
(custom location) - Kitchen Cabinets
- Bamboo Internal Wall Finishes
-
Glass, Soft Touch, Wifi, Power points
and light switches. - Decortive Flute Panels Inside
Highly durable materials, wear resistant
Waterproof for spills or accidents
Easy to maintain and clean the floors
Highly affordable cost option
Multiple flooring colors available
Pricing
- 1,000

Highly durable , built with several layers
Waterproof for spills or accidents
Easy to maintain and clean the floors
More Expensive option with higher grade finish
Multiple flooring colors available
Pricing
- 1,746

Create a bedroom or office
Wood finish Internal doors
Lockable door handles
Pricing
- 2,000

Step Shower with Screen
Toilet with Built in Sink
Built in Laundry
Siliver or Matt Black finish Sink
Space and Power for Dryer
Includes Linen Cupboard
Pricing
- 3,200

Timber look WPC flooring
Includes Handrails with Top finishing
Corner trims for higher end finish
450mm joist centres, higher strength
Pricing
- 2,000

75mm Thick Rockwool Insulated Panels
White underside ribbed finish
Gutter and Downpipes included
Span of 1.8m from the house to Beam
Pricing
- 1,000

900mm Wide Single Door
Flyscreen Built in (Stainless steel mesh)
Triple Lock Deadbolt built in
Option of Aluminum of Glass Inserts
Commercial Grade High Quality Finish
Pricing
- 3,000

Ceiling Fans (1300mm)
Wood or Black Finish
Remote Controlled
Hardwired Install
Note:
- 4 Bed = Max 6 units
Pricing
- 800

Wels Listed & Certifed Fixtures
Pex Piping 16mm Internally
All plumbing installed Tails Down
Unique designed for no in wall pipes
Australian Compliant – NCC
Pricing
- 4,100

Need more Power?
Cusomise your Power Point locations
Add more Power Points
Pricing
- 25

Compact Laminate Bench Tops
Silver or Polished Black Finish
High Grade Expensive Look
Soft Close Hinges
Pre Built and Installed
Splash Back Feautre Wall
Pricing
- 2,550

High Durability, Extremely strong and resistant
Insulation, Helps to reduce energy consumption
Acoustic reduction to create peace and quiet
Beautiful and unique appearance to a space.
Variety of designs and colors available
Pricing
- 3,000

High-quality crystal tempered glass panel
Touch-sensitive, easy to control
Wireless remote control functions
Green/Red LED indicator.
Works with any 2.4GHz-enabled WiFi router
Pricing
- 970

Aesthetic feature in your very own home
Easy Installation over your hinged areas
Flow through design throughout the whole house
Many colours and textures are available
Pricing
- 1,150

-
PVC Flooring
-
SPC Flooring
-
Bedroom (wall/s and internal door)
-
Bathroom & Laundry Combo
-
Veranda Deck
-
Patio Roof
-
Single Door (back door)
-
Ceiling Fans
-
House Plumbing (completed to NCC Standards)
-
Extra Power Points (custom location)
-
Kitchen Cabinets
-
Bamboo Internal Wall Finishes
-
Glass, Soft Touch, Wifi, Power points and light switches.
-
Decortive Flute Panels Inside
Create your own home
Download Your Estimate
Inclusive Packages INCLUSIONS
Highly durable , built with several layers
Waterproof for spills or accidents
Easy to maintain and clean the floors
More Expensive option with higher grade finish
Multiple flooring colors available

Create a bedroom or office
Wood finish Internal doors
Lockable door handles

Step Shower with Screen
Toilet with Built in Sink
Built in Laundry
Siliver or Matt Black finish Sink
Space and Power for Dryer
Includes Linen Cupboard

Timber look WPC flooring
Includes Handrails with Top finishing
Corner trims for higher end finish
450mm joist centres, higher strength

75mm Thick Rockwool Insulated Panels
White underside ribbed finish
Gutter and Downpipes included
Span of 1.8m from the house to Beam

Wels Listed & Certifed Fixtures
Pex Piping 16mm Internally
All plumbing installed Tails Down
Unique designed for no in wall pipes
Australian Compliant – NCC

Compact Laminate Bench Tops
Silver or Polished Black Finish
High Grade Expensive Look
Soft Close Hinges
Pre Built and Installed
Splash Back Feautre Wall

High Durability, Extremely strong and resistant
Insulation, Helps to reduce energy consumption
Acoustic reduction to create peace and quiet
Beautiful and unique appearance to a space.
Variety of designs and colors available

High-quality crystal tempered glass panel
Touch-sensitive, easy to control
Wireless remote control functions
Green/Red LED indicator.
Works with any 2.4GHz-enabled WiFi router

Aesthetic feature in your very own home
Easy Installation over your hinged areas
Flow through design throughout the whole house
Many colours and textures are available

-
SPC Flooring
-
Bedrooms (wall/s and internal door)
-
2 x Bathroom & Laundry Combo
-
Veranda Deck
-
Patio Roof
-
House Plumbing (completed to NCC Standards)
-
Kitchen Cabinets
-
Bamboo Internal Wall Finishes
-
Glass, Soft Touch, Wifi, Power points and light switches.
-
Decortive Flute Panels Inside
- Aesthetic feature in your very own home
- Easy Installation over your hinged areas