We're Not Just Better, We're Different.
Over 1000 designs to choose from but will happily customise for you.
Adding a garage or alfresco area? Not a problem!
Tricky or slopey site? Not an issue!
Local Inhouse Granny Flat Case Study
Experience a 360° Tour of their finished Granny flat.
Hear about our simple Inhouse process and tips from start to finish.
Browse our amazing before and after project photos in our gallery.
BEFORE & AFTER PHOTOS
Let's Talk $
Average Inhouse Granny Flat cost is $80 - $120000 (all inclusive)
We charge $6500 for CDC approval ($2000 upfront) and the balance paid on approval
100% money back guarantee if we cannot get your Granny Flat approved
2/22 Hudson Avenue,
Castle Hill, NSW 2154
Inhouse will be closing for Christmas holidays from friday 21st December 2018 and will be reopen on 14th January 2019.
Inhouse team would like to wish you all Merry Christmas and Happy New Year 2019.
Would you like to take a 360 degree tour of one of our Granny Flat projects? This virtual tour is a great interactive way to view one of our granny flats without actually being there!
contact us before you
purchase a property
Since it's inception over 5 years ago, Inhouse Granny Flats has serviced hundreds of families across Sydney. Our high standard granny flats and affordable costs have built our reputation spreading through word of mouth that we're not better, we're different.
Information for Investors
Calculations are indicative only. You should consult your personal financial advisor.
Read a case study of one of our latest granny flat projects. Browse through photos and a 360 degree virtual tour.
Project Case Study
Granny flat designs to choose from or let us design a custom one for you.
Renting a granny flat in Australia has been reported at around $200 - $600 per week. *Guide only.
Over 200 Granny Flat projects completed every year
Do you have a question or not sure where to start? Fill out the form below and one of our friendly staff members with get back to you shortly.