Outbuilding construction and conversions

Add space that feels like it belongs.

Smart extra space, built to the best standard.

Outbuildings and conversions are one of the smartest ways to expand your property. Whether you need a granny flat, rental unit, home office, studio, or a higher-performing service space, we build and convert with the same standards as a primary home.

What we build and convert

Granny flats and garden cottages

Home offices and studios

Outbuilding conversions
(existing rooms or structures repurposed for new use)

Rental-ready units
designed for durability and easy maintenance


Practical experience, real outcomes

Rupping Construction has delivered granny flat projects (including standalone and attached units), showing proven capability with smaller footprints, tight site logistics, and full internal fit-out.


What you can expect

Clear scope and build specification

Efficient build sequencing

Considered finishes for long-term performance

Coordination with services (electrical, plumbing, drainage)


Let’s discuss what’s possible on your property

If you want to add a granny flat, studio, or conversion in Stellenbosch, Cape Town or the Helderberg, let’s discuss what’s possible on your property.