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Complete pricing guide for all extension types and budgets
Family second storey extensions in Eight Mile Plains typically cost $201,600-$425,600 for standard suburban builds. Typical additions include 2-3 bedrooms, main bathroom, and built-in robes. Master suite with ensuite and walk-in robe starts from $145,600-$224,000. Family-focused designs prioritize bedroom separation and practical storage.
Standard Suburban DA: In Eight Mile Plains typically takes 6-10 weeks with straightforward approval for compliant designs
Foundation Reinforcement: For typical Eight Mile Plains brick homes costs $16,800-$39,200 depending on existing footings
Bedroom Configurations: Most Eight Mile Plains families add 2-3 bedrooms upstairs, keeping living areas on ground floor for practicality
Master Suite Separation: From children's bedrooms is a popular design choice for privacy in Eight Mile Plains family homes
Home Office Additions: Increasingly popular in Eight Mile Plains extensions - a dedicated study adds $15,000-$25,000 to scope
ROI in Suburban Eight Mile Plains: Averages 70-85%, with best returns for adding bedrooms to 3-bed homes in family-focused areas
Comprehensive pricing for all extension components
| Component | Budget Range | Premium Range |
|---|---|---|
| Structural Engineering | $3,360-$6,720 | $8,960-$16,800 |
| Foundation Reinforcement | $16,800-$33,600 | $39,200-$67,200 |
| Staircase Installation | $8,960-$16,800 | $22,400-$44,800 |
| DA & Approvals | $5,600-$11,200 | $13,440-$22,400 |
Looking for second-storey extension builders near you in Eight Mile Plains? The Wombat™ connects Eight Mile Plains residents with licensed builders throughout the Greater Brisbane region.
Family Second-Storey Extensions in Eight Mile Plains: Suburban second-storey extensions add valuable bedrooms and living space for growing families. Larger blocks often allow ground-floor extensions, but second storeys maximize land use and add premium value. Common projects include 3-4 additional bedrooms with ensuites, teenage retreats, home offices with views, or parents' retreats. Easier access for construction materials and equipment. Focus on cost-effective designs, energy efficiency, and strong ROI for family homes. Our Eight Mile Plains builders provide cost-effective solutions for growing families.
All builders in our Eight Mile Plains network are fully licensed, understand Brisbane council regulations, and provide structural engineering coordination.
Complete 2026 pricing guide for all extension types and budgets in Eight Mile Plains
Perfect for adding a master bedroom or guest suite with ensuite bathroom
Ideal for growing families needing extra bedrooms, bathroom, and optional balcony
Comprehensive addition with master suite, multiple rooms, 2 bathrooms, and balcony
Complete second floor that doubles your home's living space with 4-5 bedrooms, living retreat, and terrace
Get an instant estimate for your Eight Mile Plains second storey
Estimated Cost
$246,400 - $302,400
Prices for Eight Mile Plains area
This is an estimate only
Actual costs vary based on your specific requirements, site conditions, and chosen finishes
Free • 3 quotes • Licensed
Finance projects from $168,000-$336,000+ with flexible payment options through our trusted partner Fundd.
Learn About Finance OptionsQuick guide to determine the best approach for your Eight Mile Plains property
Single room to full second storey additions
Complete demolition and new two-storey build
Get a structural assessment first ($2K-$6K)
Reveals your home's capacity and required reinforcement - can change the extension vs rebuild calculation
Every phase handled by licensed Eight Mile Plains professionals from start to finish
Architectural design with 3D renders, structural engineering, and council DA preparation.
Foundation reinforcement, steel beams, and wall reinforcement for upper level support.
Upper level wall framing, new roof structure, and staircase construction.
Timber or steel framing, new roof installation, and weatherproofing.
Electrical, plumbing rough-in, HVAC ducting, and insulation installation.
Plastering, painting, flooring, bathroom tiling, and built-in wardrobes.
Lighting, bathroom fixtures, door handles, and final hardware installation.
Final inspections, occupation certificate, clean-up, and project handover with warranty.
Local professionals servicing 4113 and surrounding Brisbane areas
Essential details about services in your area
Local Council Regulation:
Building approval needed for structural renovations
All work in Eight Mile Plains must comply with Brisbane council regulations and Queensland building codes. Our network of professionals are familiar with local requirements.
Trending extension designs across Eight Mile Plains homes
Private upstairs sanctuary with large ensuite, walk-in robe, and optional balcony
Multiple bedrooms upstairs with shared bathroom and rumpus/study area
Full second floor with multiple bedrooms, living areas, and outdoor terraces
Modern architectural design with flat roof, floor-to-ceiling windows, and smart home features
Complete construction timeline - what to expect at each stage of your Eight Mile Plains build
6-12+ Months
Varies by project size & council approval
Quality materials and expert craftsmanship for your second storey
Steel frame or timber construction, engineered to Australian standards with options for lightweight cladding or full brick veneer.
Double-glazed aluminium or timber windows, sliding doors to balconies, and stacker doors for seamless indoor-outdoor flow.
Premium plasterboard, timber or hybrid flooring, quality carpets, custom cabinetry, and designer lighting packages.
Timber, steel, or floating staircases with glass or timber balustrades. Custom designs to match your home's character.
Trusted local builders with proven track records in your area
Understand Eight Mile Plains housing styles and council requirements
QLD licensed builders with full insurance coverage
Experienced with structural requirements for Eight Mile Plains homes
Compare up to 3 quotes to get the best Eight Mile Plains value
Submit one simple form and we'll connect you with up to 3 licensed extension builders. Compare their quotes side-by-side and choose the best fit for your project.
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Compare quotes, designs, and structural plans. Choose the best builder and save up to 30% on your second storey extension.
Compare prices from licensed Eight Mile Plains extension builders. No obligation, 100% free.
All builders are fully licensed, insured & experienced in second storey work
Average savings by comparing multiple quotes in Eight Mile Plains
Fast response from local Eight Mile Plains extension specialists
Real second storey extension reviews from verified Eight Mile Plains customers
Second Storey Extension reviews in Eight Mile Plains. 3 verified customer reviews with 5.0/5 average rating. Real experiences from local customers.
Eight Mile Plains, QLD
Added master suite + 2 bedrooms for $285K in Eight Mile Plains. Project took 7 months. The Wombat™ connected us with 3 great local builders - saved $40K by comparing quotes. Added $380K to home value!
Eight Mile Plains, QLD
Single room master suite extension $165K in Eight Mile Plains. Builder handled all engineering and Brisbane council DA approvals seamlessly. Living on-site was more manageable than expected.
Eight Mile Plains, QLD
2-room addition cost $210K including foundation reinforcement. Our Eight Mile Plains builder handled everything professionally. Structural assessment showed we needed extra work but it was all included. No surprises!
Expert Resources
Free guides from The Wombat™ to help you plan your Eight Mile Plains second storey extension
Detailed pricing by size, location, and structural requirements
Read GuideWhich option is right for your home and budget?
Read GuideStep-by-step planning guide for your extension project
Read GuideCommon errors that can cost you time and money
Read GuideOur network of licensed second storey extension specialists services all suburbs across Brisbane
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Ready to add a second storey in Eight Mile Plains?
Ready to add a second storey in Eight Mile Plains?
Get 3 free quotes from local extension builders in 4113
Prices are estimates based on market research and may vary by location, project size, site conditions, and specialist. Always get multiple quotes for accurate pricing. Second storey extensions require building permits, engineering approval, and compliance with building codes.
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