James P.
West Hobart, TAS
Added master suite + 2 bedrooms for $285K in West Hobart. Project took 7 months. The Wombat™ connected us with 3 great local builders - saved $40K by comparing quotes. Added $380K to home value!
Full Second Storey Addition
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$142,500-$380,000
West Hobart Price Range
Average extension cost
60-80%
ROI in West Hobart
Property value added
4-7 Months
Typical Timeline
Including approvals
15-25%
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Second Storey Extension Costs West Hobart 2026
Complete pricing guide for all extension types and budgets
3 min read
Quick Answer
Second storey extensions on sloping West Hobart blocks typically cost $237,500-$522,500 due to specialized engineering requirements. Sloping sites often require additional foundation work, retaining walls, and split-level designs. Benefits include potential walk-out basements, elevated views, and natural light maximization. Budget 15-25% extra for site-specific structural solutions.
Updated January 2026
24,500+ Australians served
West Hobart, 7000
1
Geotechnical Reports: Essential for sloping West Hobart blocks - budget $2,000-$5,000 for soil testing and site classification
2
Retaining Walls: May add $15,000-$50,000 depending on height and engineering requirements for slope stabilization
3
Split-Level Designs: Can reduce excavation costs and create natural separation between living zones while following terrain
4
Walk-Out Basements: Possible on sloping sites, adding valuable garage, storage, or living space below the extension
5
Elevated Views: From upper levels on sloping West Hobart blocks can significantly increase property value and appeal
6
Drainage Solutions: Critical - stormwater management, subsoil drains, and appropriate grading prevent future issues
Price Comparison
Second Storey Extension Costs: West Hobart Component Breakdown
Comprehensive pricing for all extension components
Component-by-Component Pricing Guide
| Component | Budget Range | Premium Range |
|---|---|---|
| Structural Engineering | $2,850-$5,700 | $7,600-$14,250 |
| Foundation Reinforcement | $14,250-$28,500 | $33,250-$57,000 |
| Staircase Installation | $7,600-$14,250 | $19,000-$38,000 |
| DA & Approvals | $4,750-$9,500 | $11,400-$19,000 |
*Prices include all materials, labour, and installation for West Hobart. Costs vary by site complexity, material selections, and local market conditions. Timeline: 16-28 weeks from DA approval to completion.
West Hobart Extension Specialists
Why Add a Second Storey to Your West Hobart Home?
Looking for second-storey extension builders near you in West Hobart? The Wombat™ connects West Hobart residents with licensed builders throughout the Greater Hobart region.
Sloping Block Extensions in West Hobart: Sloping blocks create unique opportunities for second-storey extensions with walk-out basement access. Challenging terrain requires specialised engineering for foundations and retaining walls, but rewards with spectacular elevated views. Projects often integrate the extension into the slope, creating split-level living with garage/storage below and premium living spaces above. Complex site access may require crane lifts for materials. Design maximizes view corridors while managing drainage and erosion. Our West Hobart builders provide specialized engineering for sloping terrain second-storey extensions.
All builders in our West Hobart network are fully licensed, understand Hobart council regulations, and provide structural engineering coordination.
2026 Pricing Guide
How Much Does a Second Storey Extension Cost in West Hobart?
Complete 2026 pricing guide for all extension types and budgets in West Hobart
Single Room Addition
Entry LevelPerfect for adding a master bedroom or guest suite with ensuite bathroom
30-50m² Ensuite Walk-in robe
$76K-$143K
3-4 months
MOST POPULAR
Two Room Addition
Ideal for growing families needing extra bedrooms, bathroom, and optional balcony
60-80m² 2 bedrooms Bathroom Optional balcony
$143K-$238K
4-6 months
Large Second Storey
PremiumComprehensive addition with master suite, multiple rooms, 2 bathrooms, and balcony
90-120m² 3+ rooms 2 bathrooms Walk-in robe
$238K-$380K
6-9 months
Full Second Storey
ULTIMATEComplete second floor that doubles your home's living space with 4-5 bedrooms, living retreat, and terrace
Doubles home 4-5 bedrooms Living retreat Terrace
$380K-$760K+
9-12+ months
Calculator
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Structural Stairs Plumbing Electrical Roofing Finishes
Estimated Cost
$209,000 - $256,500
Prices for West Hobart area
This is an estimate only
Actual costs vary based on your specific requirements, site conditions, and chosen finishes
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Decision Guide
Second Storey Extension vs Knock-Down Rebuild: Which is Better for West Hobart?
Quick guide to determine the best approach for your West Hobart property
Choose Extension
Sound structure
Strong foundation
Love your location
Stay during build
Cost <60% rebuild
Single room to full second storey additions
Choose Rebuild
Major structural issues
Weak foundation
Want modern efficiency
Layout unusable
Cost >75% rebuild
Complete demolition and new two-storey build
Get a structural assessment first ($2K-$5K)
Reveals your home's capacity and required reinforcement - can change the extension vs rebuild calculation
West Hobart Extension Process
What's Included in Your West Hobart Second Storey Extension
Every phase handled by licensed West Hobart professionals from start to finish
Design & Planning
Phase 1Architectural design with 3D renders, structural engineering, and council DA preparation.
3D renders Engineering DA submission
Structural Work
Phase 2Foundation reinforcement, steel beams, and wall reinforcement for upper level support.
Underpinning Steel beams Reinforcement
Framing & Roof
Phase 3Upper level wall framing, new roof structure, and staircase construction.
Wall framing New roof Staircase
Framing & Roofing
Phase 4Timber or steel framing, new roof installation, and weatherproofing.
Wall framing New roof Weatherproofing
Services & Insulation
Phase 5Electrical, plumbing rough-in, HVAC ducting, and insulation installation.
Electrical Plumbing HVAC
Fit-Out & Finishes
Phase 6Plastering, painting, flooring, bathroom tiling, and built-in wardrobes.
Plastering Flooring Bathrooms
Fixtures & Fittings
Phase 7Lighting, bathroom fixtures, door handles, and final hardware installation.
Lighting Tapware Hardware
Completion & Handover
CompleteFinal inspections, occupation certificate, clean-up, and project handover with warranty.
Final inspection OC certificate 6yr warranty
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Local West Hobart Information
Essential details about services in your area
Suburb Details
Suburb West Hobart
Postcode 7000
City Hobart
State Tasmania (TAS)
Council & Compliance
Local Council Regulation:
Building permits and development approval required for structural changes, extensions, and major renovations.
All work in West Hobart must comply with Hobart council regulations and Tasmania building codes. Our network of professionals are familiar with local requirements.
Design Trends
Popular Second Storey Extension Styles in West Hobart
Trending extension designs across West Hobart homes
Master Retreat
Most PopularPrivate upstairs sanctuary with large ensuite, walk-in robe, and optional balcony
Private ensuite Walk-in robe Balcony
Kids Zone
Family FavouriteMultiple bedrooms upstairs with shared bathroom and rumpus/study area
3-4 bedrooms Shared bathroom Study nook
Complete Upper Level
Premium ChoiceFull second floor with multiple bedrooms, living areas, and outdoor terraces
4+ bedrooms Living retreat Large terrace
Contemporary Design
Modern AppealModern architectural design with flat roof, floor-to-ceiling windows, and smart home features
Flat roof Large windows Smart home
Project Timeline
Second Storey Extension Timeline in West Hobart
Complete construction timeline - what to expect at each stage of your West Hobart build
1 2-4 months
Planning & Design
- • Architect plans & DA approval
- • Structural engineer assessment
- • Finalize contractor & materials
2 2-4 weeks
Structural Work
- • Foundation underpinning
- • Steel beam installation
- • Wall reinforcement
3 3-6 weeks
Framing & Roof
- • Remove existing roof
- • Frame walls & new roof
- • Staircase construction
4 2-3 weeks
Lock-Up Stage
- • Windows & external doors
- • Roof tiles/cladding
- • External weatherproofing
5 3-4 weeks
Services Installation
- • Plumbing & electrical
- • HVAC ducting
- • Insulation & inspections
6 4-8 weeks
Fit-Out & Finishes
- • Plasterboard & painting
- • Bathroom waterproofing
- • Flooring installation
7 1-2 weeks
Completion
- • Final fixtures & fittings
- • Inspections & certificates
- • Project handover
TOTAL TIMELINE
6-12+ Months
Varies by project size & council approval
Premium Materials
Extension Materials & Finishes in West Hobart
Quality materials and expert craftsmanship for your second storey
Structural Systems
Steel frame or timber construction, engineered to Australian standards with options for lightweight cladding or full brick veneer.
Windows & Doors
Double-glazed aluminium or timber windows, sliding doors to balconies, and stacker doors for seamless indoor-outdoor flow.
Interior Finishes
Premium plasterboard, timber or hybrid flooring, quality carpets, custom cabinetry, and designer lighting packages.
Staircase Options
Timber, steel, or floating staircases with glass or timber balustrades. Custom designs to match your home's character.
Verified West Hobart Professionals
Why Choose Local West Hobart Extension Specialists?
Trusted local builders with proven track records in your area
Local Knowledge
Understand West Hobart housing styles and council requirements
Licensed & Insured
TAS licensed builders with full insurance coverage
Engineering Expertise
Experienced with structural requirements for West Hobart homes
Competitive Pricing
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Verified Reviews
What West Hobart Customers Say about Second Storey Extension
Real second storey extension reviews from verified West Hobart customers
5.0 out of 5
Based on 3 verified reviews
Second Storey Extension reviews in West Hobart. 3 verified customer reviews with 5.0/5 average rating. Real experiences from local customers.
Lisa M.
West Hobart, TAS
Single room master suite extension $165K in West Hobart. Builder handled all engineering and Hobart council DA approvals seamlessly. Living on-site was more manageable than expected.
Master Suite Addition
Robert K.
West Hobart, TAS
2-room addition cost $210K including foundation reinforcement. Our West Hobart builder handled everything professionally. Structural assessment showed we needed extra work but it was all included. No surprises!
Two Room Extension
5.0/5 Average Rating 3 Customer Reviews Wombat™ Verified West Hobart Area Second Storey Extension
Expert Resources
Expert Second Storey Extension Guides for West Hobart
Free guides from The Wombat™ to help you plan your West Hobart second storey extension
Second Storey Extension Cost Guide 2026
Detailed pricing by size, location, and structural requirements
Read GuideSecond Storey vs Knockdown Rebuild
Which option is right for your home and budget?
Read GuideHow to Plan a Second Storey Addition
Step-by-step planning guide for your extension project
Read Guide10 Second Storey Mistakes to Avoid
Common errors that can cost you time and money
Read Guide Service Areas
Second Storey Extensions in Nearby Hobart Suburbs
Our network of licensed second storey extension specialists services all suburbs across Hobart
Battery Point
7004
Sandy Bay
7005
North Hobart
7000
South Hobart
7004
Glenorchy
7010
Kingston
7050
Bellerive
7018
Lindisfarne
7015
Moonah
7009
Claremont
7011
Rosny
7018
Clarence
7007
Don't see your suburb? Get a quote and we'll connect you with professionals in your area.
Add a Second Storey to Your West Hobart Home: Double Your Living Space
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FAQ
Second Storey Extension FAQs for West Hobart
Second storey extension costs in West Hobart (7000) vary by scope: Single room additions (master bedroom with ensuite) $114,000-$171,000, standard extensions (2-3 bedrooms) $171,000-$266,000, full second storeys $266,000-$475,000+. Get free quotes from West Hobart extension builders to compare.
Yes, all second storey extensions in West Hobart (7000) require Development Application (DA) approval from Hobart council. Requirements include architectural drawings, structural engineering plans, site analysis, and shadow diagrams. Some West Hobart properties may qualify for Complying Development. Your builder handles all approvals.
Second storey extension timelines in West Hobart: Planning & DA approval 2-4 months, single room additions 12-16 weeks construction, standard extensions 16-20 weeks, full second storeys 20-28 weeks. Most West Hobart families can remain in their home during construction with proper dust barriers.
Most West Hobart homes can support second storey extensions with proper engineering. A structural engineer will assess your existing foundation, soil conditions, and load requirements. Options include underpinning existing footings or steel beam reinforcement. Engineering assessment is included in your quotes.
Second storey extensions offer excellent value in West Hobart. Benefits include: doubling living space without losing backyard, typically 60-80% ROI on property value, staying in your established West Hobart neighbourhood, and ideal for blocks where ground-level extensions aren't possible. Quality extensions can return 80-100%+ of investment in premium Hobart suburbs.
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Maximize living space
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Ready to add a second storey in West Hobart?
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Last updated: February 2026
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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.