Garage, Attic & Basement Renovations

Transform Underutilised Spaces

Do you have an unused garage, attic, or basement that could be converted into a functional living space, home office, guest suite, or entertainment zone? At Renovation Group, we specialise in high-quality renovations that optimise your home’s layout, adding value and versatility to your property.

Servicing Sydney’s North Shore, Inner West, and Eastern Suburbs, we handle council approvals, structural upgrades, and interior fit-outs to create seamless, stylish, and practical spaces.

Our Renovation Services

We provide custom-designed solutions for attics, basements, and garages, ensuring a seamless transformation that meets your needs.

Granny Flats & External Office Spaces

01.Garage Conversions

Transform your garage into a functional living space while maintaining structural integrity and design aesthetics.

✔ Home Offices & Studios – Ideal for work-from-home setups or creative spaces.
✔ Self-Contained Granny Flats – Perfect for rentals, guest rooms, or family accommodation.
✔ Home Gyms & Entertainment Rooms – Custom fit-outs for fitness, gaming, or cinema rooms.

💡 Is a garage conversion cheaper than a home extension? Yes! Garage renovations cost less than building an additional room while providing similar benefits.

Garage, Attic & Basement Renovations

02. Attic Conversions & Renovations

An attic conversion is a smart way to add an extra bedroom, study, or playroom without expanding your home’s footprint.

✔ Loft Bedrooms & Retreats – Add an extra sleeping area for guests or family members.
✔ Home Libraries & Studies – Create a quiet, cosy space for reading and work.
✔ Storage Solutions – Maximise space with custom-built cabinetry and shelving.

💡 How do I know if my attic can be converted? If your attic has a minimum ceiling height of 2.2 metres, it may be eligible for renovation!

Garage, Attic & Basement Renovations

03. Basement Renovations & Conversions

Convert dark, underused basements into vibrant, functional spaces with waterproofing, ventilation, and smart design.

✔ Self-Contained Living Spaces – Perfect for rental income or multi-generational living.
✔ Home Theatres & Entertainment Areas – Soundproofed, stylish setups for movies, gaming, and music.
✔ Wine Cellars & Storage Rooms – Custom-built wine racks, climate control, and shelving.

💡 Basements can be fully transformed into livable areas with proper waterproofing, insulation, and lighting solutions!

FAQs About Garage, Attic & Basement Renovations

How much does an attic conversion cost in Sydney?

A basic attic renovation starts at $10,000, while a full attic conversion (bedroom, bathroom, stairs) can cost $30,000 – $60,000+.

Most attic conversions do not require council approval, but adding dormer windows or structural changes may require permits.

Structural reinforcements, insulation, and stair installations are typically the costliest aspects of attic conversions.

Yes! A garage conversion is usually more affordable than building an extension, as it utilises an existing structure.

Most attic conversions take 6–12 weeks, depending on the size and structural requirements.

Yes! With proper insulation, plumbing, and ventilation, garages can be converted into fully self-contained granny flats.

Get a Free Consultation for Your Space Conversion

Thinking of converting your garage, attic, or basement into a functional living space? Renovation Group specialises in high-quality renovations tailored to your needs.