If you’ve started planning a renovation, “how much will this cost?” is almost certainly the first question on your mind…
Thinking about adding a second storey to your home? Summit Renovations is one of the few builders in WA offering both modular and traditional on-site second storey extensions. We’re here to set the record straight — both methods deliver the same quality, finish, and seamless integration into your existing home.
Quick Comparison: Modular vs. On-Site Second Storey Additions
| Feature | Modular Second Story Additions | Traditional On-Site Second Storey Extension |
| Construction
Location |
Built off site locally, then transported to your home | Built entirely over your existing property |
| Timeline | Less time on site | Similar overall timeframe |
| Disruption to Home | Minimal – stay in your home during construction | Some disruption, but still liveable |
| Quality | Same trade, same high-quality finish | Same trade, same high-quality finish |
| Customisation | Flexible design | Flexible design |
| Live-in Friendly | Yes | Yes |
Benefits of Each Approach
Modular Second Story Additions
- Customisation: Fully customised to suit your home with minor overall size restrictions due to transport
- Minimal Disruption: Stay in your home while most work happens off-site.
- Seamless Integration: Each modular second storey is custom-built to match your existing home’s style and structure.
- Liveability: Modular construction keeps disruption to a minimum, so you can continue living comfortably in your home throughout the build.
By combining the strength of Australian Bluescope TRUECORE® steel with the advanced thermal properties of MasterWall, our modular second storey additions deliver a stronger structure and superior finish
Watch a single-level family home in Rockingham transform with a modular second storey addition.
Traditional On-Site Second Storey Additions
- Flexibility: Complete design flexibility with no restriction on size.
- Proven Method: Skilled trades deliver high-quality finishes.
- Seamless Integration: Each second storey is custom designed to match your existing home’s style and structure.
- Liveability: Even though we build on site you can still live in your home.
See Mark and Fiona’s on-site second storey addition in their Wembley home.
Planning Your Second Storey Addition
Both modular and on-site builds offer layouts designed for modern family living. From open-plan living spaces to extra bedrooms and bathrooms, your second storey addition in Perth can be tailored to your lifestyle and needs.
No matter which approach you choose, Summit Renovations ensures a stress-free experience and a final result that blends seamlessly with your existing home.
Live in Your Home During Construction
One of the best features of Summit Renovations second storey options is that you don’t have to move out. Modular builds keep disruption to a minimum, while traditional on-site extensions are carefully planned so you can live comfortably during construction, with safety always a top priority.
Choosing the Right Second Storey Addition
Both methods deliver the same high-quality Summit Renovations finish.
Whichever path you choose, you’ll gain a stunning new level that adds space, functionality, and value to your home.
If you’d like to see one of our second storeys in person, we have a display home available for viewing. Book a private appointment with one of our Senior Designers via the link below — please note, this is by appointment only, no walk-ins.
