Our 12 week construction program outlines each build stage clearly, providing transparency, consistency, and reliable timeframes from start to completion.
Construction Process
Step by Step Construction Program and Timeframes
12 Week Construction Program*
Based on a standard rectangular 60sqm granny flat with a hipped roof, external cladding finish and 200mm max height above natural ground.
Timeframes are indicative and subject to weather, site conditions and approvals.
Week 1 – Site Preparation
Site levelling, excavation, soil removal (if required) and earthworks preparation.
Week 2 – Foundation Preparation
Steel fixing, formwork and foundation preparation, or brick pier construction where applicable.
Week 3 – Concrete Slab / Foundation Completed
Concrete slab poured (or pier system completed), including required inspections.
Week 4 – Slab Curing & Materials Ordered
Slab curing period while frame and roof materials are ordered and scheduled.
Week 5 – Frame
Wall and roof framing erected, forming the full structure of the building.
Week 6 – Roof Completion
Roof installation completed, making the structure weather secure.
Weeks 7–8 – External Works
Windows, doors, cladding and external finishes completed.
Weeks 9–10 – Internal Walls & Wet Areas
Internal walls installed, gyprocking completed, and kitchen and bathroom installation.
Weeks 11–12 – Final Fit-Off & Finishes
Final internal dressings, fixtures, flooring, and internal and external painting.
Handover
Final inspections completed and your granny flat ready for occupation.
Get started on your granny flat today
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