Sydney Attic Conversions & Second Storey Extensions

Love Your Sydney Location? Just Need More Room?

Stop tripping over toys and sharing cramped home offices. One specialist team designs, approves, and builds beautiful upper-level sanctuaries—so you can gain bedrooms and massive property value without sacrificing your garden or moving house.

Check My Roof's Potential 0416 078 731

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Houzz Recommended
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Step 1 of 2: Your Home Goals50%

What are you dreaming of building?

Typical Investment

A guide to what your attic could cost

A structural investment that adds immediate equity to your Sydney property valuation without the heavy transactional fees of moving.

Every home is different, but these ranges help you plan. We'll give you an exact figure after a free on-site inspection.

Dust-Free Storage

The Clutter-Clearing Upgrade

$10k–25k

Clean, floored storage that reclaims your roof space.

Heavy-duty flooring
Insulation & lighting
Safe, engineered attic access solutions
Instantly reclaims living spaces downstairs by clearing seasonal clutter
Installed in days

Learn more

Premium Utility Room

The Fast-Track Office & Retreat

$60k–$150k

A finished, light-filled room for work, study or downtime.

Fast-Track Build: Fully completed in 4–6 weeks while your family lives comfortably downstairs.

Structural upgrades
Skylights & power
Staircase access
Perfect for high-focus work-from-home spaces, teenage retreats, or private guest lounges

Learn more

DA Bedroom Conversion

The Legal Master Suite Upgrade

$120k–200k+

A council-approved, legal habitable bedroom or suite.

Full DA / certification
Roof lift or dormer
Ensuite options
Adds a premium, council-certified legal bedroom and ensuite—typically yielding a 2x to 3x return on investment upon future home appraisal
Includes full management of architectural plans, engineering certificates, and council DA/CDC approval channels from start to finish

Learn more

Want a figure for your home? Try our instant cost calculator or read the full Sydney cost guide.

Loved by Sydney homeowners

Real reviews from our Google Business Profile

We were impressed with the speed and efficiency of the entire process. Matt's team did everything possible to accommodate our requests. The work crew did a great job and no detail was spared — considerate about cleaning up and noise levels too.

Dave & Val Melvin

Verified

Google Review

Matt and his team were sensational. Every aspect was dealt with professionally, from quoting through to the finish. The dust-proof attic room they created gives us incredible access to 15sqm of light-filled space. It feels more like a loft than an attic!

Vikki Sevitt

Verified

Google Review

Fantastic workmanship, good communication throughout and fabulous pricing. So glad we chose Inner City Attics. Good quality throughout and we love our space — such a quality finish.

David Matthews

Verified

Google Review

Proudly Serving Sydney

Trusted attic & second-storey specialists across your neighbourhood

From heritage terraces to semi-detached homes, we know the local councils, character overlays and building styles in Sydney's most sought-after suburbs.