馃搷 Sadliers Crossing QLD 4305 路 Servicing South East Queensland (wider QLD/NSW on request)admin@instabuildhomes.com.au 路 0400 000 000
78 m虏 expandable home

The 78: 78 m虏

2, 3 or 4 Bed 路 2 bathroom 路 approx. 11.8 m 脳 6.6 m expanded

Supply from $229,000 路 Complete with council from $279,000

78 m虏 exterior photo
Image placeholder: photo to come

Create your home

Package

Supply Only (DIY / Owner Builder)

$229,000
  • Factory-built expandable home with your chosen floor plan
  • Kitchen, bathroom and electrical fit-out as standard
  • All bathrooms waterproofed and tiled on site
  • Insulated PU sandwich panel walls and roof, double glazed windows
  • Structural warranty plus fixtures warranty (terms TBC)
  • Handover documents for your installer and certifier
Not included
  • Delivery and crane
  • Footings, set-up and connections
  • Council or private certifier approvals
Package

Supply + Install

$250,000
  • Everything in Supply Only
  • Delivery to site (distance limits apply)
  • Crane lift and set-up on your prepared footings
  • Unfolding, levelling, sealing and final fit-off
  • Plumbing and electrical connection to points at the home
Not included
  • Building approval and certification
  • Long service connections, trenching, sewer upgrades
  • Site works, retaining or tree removal
Most popular

Complete: Supply + Install + Council

$279,000
  • Everything in Supply + Install
  • Site plan, drafting and engineering
  • Building approval via private certifier
  • Footings or stumps (standard site)
  • Water, sewer and power connections (standard runs)
  • Final certificate and handover
Not included
  • Unusual site costs found in the Site Check
  • Driveways, landscaping, fencing
  • Council infrastructure charges, if any

Indicative prices, editable and unconfirmed. Confirmed on written quote. All bathrooms are waterproofed and tiled on site and included in the price (1 bathroom 38-68 m虏, 2 bathrooms 78 m虏).

Floor plans

78 m虏 2 Bed + Ensuite floor plan

2 Bed + Ensuite 路 2 bathrooms

Indicative layout. Final plans TBC. All bathrooms waterproofed and tiled on site, included in the price.

78 m虏 3 Bedroom floor plan

3 Bedroom 路 2 bathrooms

Indicative layout. Final plans TBC. All bathrooms waterproofed and tiled on site, included in the price.

78 m虏 4 Bedroom floor plan

4 Bedroom 路 2 bathrooms

Indicative layout. Final plans TBC. All bathrooms waterproofed and tiled on site, included in the price.

Specifications & inclusions

Walls & roof75 mm insulated PU sandwich panels
Wind ratingN3 standard, cyclonic option
Ceiling height2.4 m
WindowsAluminium double glazed, white or black
FrameGalvanised steel, white or black
FlooringTimber-look vinyl, grey or brown
KitchenL-shape with cabinetry, sink and mixer
BathroomShower, vanity, toilet, exhaust fan. All bathrooms waterproofed and tiled on site (included)
ElectricalLED lights, power points, switchboard
EnergyDesigned toward a 7-star rating (TBC)
Interior photo
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Kitchen / bathroom photo
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Options for the 78 m虏

Choose finishes and add-ons, then add them to your quote.

OptionChoicePrice (78 m虏)
Structure: Build classClass 1a Standard (N3)Included
Structure: Build classClass 1a Cyclonic+$12,000
Structure: Build classClass 1a Designer+$20,300
Structure: Build classDesigner Cyclonic+$32,300
Exterior: Cladding colourSmooth PU panel (standard)Included
Exterior: Cladding colourWhite Plank+$4,050
Exterior: Cladding colourRedwood Plank+$4,050
Exterior: Cladding colourWoodline Cream+$4,050
Exterior: Cladding colourWoodline Grey+$4,050
Exterior: Cladding colourWoodline Dark Grey+$4,050
Exterior: Frame colourWhiteIncluded
Exterior: Frame colourBlackIncluded
Exterior: Window colourWhiteIncluded
Exterior: Window colourBlackIncluded
Interior: FlooringTimber-look vinyl - GreyIncluded
Interior: FlooringTimber-look vinyl - BrownIncluded
Interior: FlooringUpgrade to SPC hybrid flooring+$1,570
Services: Split system air conditioningBedroom split system (2.5kW), choose quantity$1,500 each installed
Services: Split system air conditioningLiving area split system (3.5kW), choose quantity$1,500 each installed
Services: Split system air conditioningLiving area split system (7kW, larger homes), choose quantity$2,600 each installed (placeholder)
Services: Solar PVNoneIncluded
Services: Solar PV6.6kW solar PV system+$5,900
Services: Solar PV10kW solar PV system+$9,200
Services: Solar PV13kW solar PV system+$11,750
Services: Solar PVSolar + battery bundle (10kW solar + 13.5kWh battery)+$21,560
Services: Home batteryNoneIncluded
Services: Home battery10kWh home battery+$9,900
Services: Home battery13.5kWh home battery (Powerwall-class)+$12,360
Services: Power supply upgradesEnergex mains / service upgrade (larger consumer mains, single to three-phase)POA
Services: Power supply upgradesMain switchboard upgradePOA
Services: Power supply upgradesSeparate sub-board per dwellingPOA
Services: Power supply upgradesSeparate electricity meter or sub-meter per unitPOA
Services: Water supply & pressureWater meter upgrade (e.g. 20 mm to 25 mm+) via water retailerPOA
Services: Water supply & pressureOn-site pressure pump (typically ~$650-$1,850 installed)POA
Services: Water supply & pressurePressure pump with break tankPOA
Services: Water supply & pressureWater sub-meter per unitPOA
Services: Hot waterNone / existingIncluded
Services: Hot water80L electric+$1,065
Services: Hot water125L electric+$1,080
Services: Hot water160L electric+$1,240
Services: Hot water250L electric+$1,290
Services: Hot water20L gas instantaneous+$1,210
Interior: KitchenL-shape kitchen (standard)Included
Interior: KitchenU-shape kitchen upgrade+$3,500
Outdoor: Decks, carports & patio coversComposite deck 6.12 m x 2.4 m+$5,750
Outdoor: Decks, carports & patio coversSide carport / alfresco cover, freestanding skillion 5 m x 3 m+$6,450
Outdoor: Decks, carports & patio coversFront skillion patio cover 7 m x 5 m+$10,150
Outdoor: Decks, carports & patio coversFront pitched patio cover 7 m x 5 m+$11,540
Outdoor: Decks, carports & patio coversCovered deck, full length (deck + insulated roof)POA
Outdoor: Decks, carports & patio coversDouble carport (freestanding)POA
Outdoor: Decks, carports & patio coversPergolaPOA
Outdoor: Decks, carports & patio coversExtra stairs, ramp & handrailsPOA
Outdoor: Decks, carports & patio coversPrivacy / screening panelsPOA
Interior: Bathroom, interior & electrical upgradesBathroom & laundry combo+$3,200
Interior: Bathroom, interior & electrical upgradesExtra bedroom wall & internal door+$1,500
Interior: Bathroom, interior & electrical upgradesRear single door+$3,000
Interior: Bathroom, interior & electrical upgradesCeiling fans+$800
Interior: Bathroom, interior & electrical upgradesSmart glass touch switches & wifi power points+$970
Interior: Bathroom, interior & electrical upgradesDecorative fluted wall panels+$1,150
Interior: Bathroom, interior & electrical upgradesExtra power point (each)+$25
Exterior: Roof, gutters & exterior upgradesSecondary Colorbond roof over home & deck (incl. gutters)+$15,000
Exterior: Roof, gutters & exterior upgradesGutters & downpipes to homePOA
Exterior: Roof, gutters & exterior upgradesSecurity screen doorsPOA
Exterior: Roof, gutters & exterior upgradesRoller shuttersPOA
Exterior: Roof, gutters & exterior upgradesRainwater tank & pumpPOA
Exterior: Roof, gutters & exterior upgradesSolar PV systemPOA
Interior: Interior & appliance upgradesAppliance package (cooktop/stove, rangehood, dishwasher)POA
Interior: Interior & appliance upgradesDecorative blinds to all windowsPOA
Interior: Interior & appliance upgradesBuilt-in wardrobesPOA
Interior: Interior & appliance upgradesStone benchtopsPOA
Interior: Interior & appliance upgradesLED bathroom mirrorPOA
Interior: Interior & appliance upgradesCustom kitchen or bathroom layoutPOA
Interior: Interior & appliance upgradesRecessed TV cabinet / TV wallPOA
Interior: Interior & appliance upgradesFurniture packPOA
Services: Services & site worksNBN / data pointsPOA
Services: Services & site worksEV chargerPOA
Services: Services & site worksSeparate electricity sub-meterPOA
Services: Services & site worksSewer grinder pump or septic systemPOA
Services: Services & site worksExtended service connections (over standard runs)POA
Services: Services & site worksSite prep & earthworksPOA
Services: Services & site worksRetaining wallsPOA
Services: Services & site worksLandscaping, paths & fencingPOA
Structure: Structure & complianceBushfire BAL-19 / BAL-29 upgradePOA
Structure: Structure & complianceUpgraded insulation packagePOA
Structure: Structure & complianceWind rating upgrade (N4 / C2)POA
Structure: Structure & complianceFooting upgrade for reactive (H2+) soil or sloping sitePOA
Structure: Structure & complianceRaised footings / higher stumps (flood)POA

Solar and battery: Indicative, after rebates (STC + federal Cheaper Home Batteries, installs to 31 Dec 2026), SEQ/Brisbane, GST incl., midpoint of published ranges: Solar Choice Price Index Nov 2026 (Brisbane 6kW $6,200, 10kW $9,350 standard / $11,000 premium); RS Energy Brisbane guide Oct 2026 (6.6kW $4,800-7,000; 10kW $7,400-11,000; 13kW $9,700-13,800); Why Solar QLD battery guide Sep-Oct 2026 (10kWh $7,416-12,416; Powerwall 3 13.5kWh $11,360-13,360). Rebate steps down 1 Jan 2027.

Add-on prices are indicative, based on competitor published pricing (Nov 2026), and are unconfirmed. POA = price on application, confirmed in your written quote.

Build your quote for the 78 m虏

Will a granny flat fit on your block?

Our $750 Site Suitability Check answers it: site plan, council rules, engineering and approvals. Fully credited to your build if you go ahead.

Book $750 Site Suitability Check Get a free quote
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