Costs & Budget

Real costs from the Coorparoo build: quotes, invoices, items over initial estimates and where we saved.

7 articles.

Raft Slab on Shale: 20 m³ for 112.5 m²

A raft slab on shale rock with active ground sits at the higher end of slab costs. Why a 112.5 m² footprint took over 20 m³ of concrete to pour.

12 May 2026 4 min read

Coorparoo build-under figures - slab, framing, wet areas, fit-out, with notes on items over initial estimates.

1 May 2026 9 min read

The costs most owners underestimate when renovating a Queenslander - engineering variations, asbestos, services upgrades and what else to plan for.

1 May 2026 5 min read

Real Coorparoo build-under figures: slab to fit-out, every line item and the categories most likely to come in over initial estimates.

1 May 2026 5 min read

Real Coorparoo raise figures: contractor, engineering and subfloor framing. The factors that move the price up or down.

1 May 2026 5 min read

How owner-builder and fixed-price contract costs compared on a real Coorparoo project: what was saved and how to decide.

1 May 2026 5 min read

The difference between restumping and raising a Queenslander: what each involves, what it costs and how to choose.

1 May 2026 4 min read

Working with the figures

The Coorparoo line items pre-loaded as a worked example. Drop your current quotes alongside and contingency at line level catches surprises.