How much does restumping cost in Sunshine Coast?
Restumping a house in Sunshine Coast costs $7,750–$25,200 for most timber-subfloor homes, or $175–$620 per stump installed. A 2–3 bedroom post-war chamferboard or weatherboard cottage on 15–25 stumps costs $7,750–$15,500 (typically $11,650), while a standard 3–4 bedroom Queenslander or high-set timber home on 25–40 stumps runs $12,600–$25,200 (typically $17,450). Partial restumping and spot relevelling of 5–10 stumps costs $2,125–$5,450 (typically $3,500).
Queenslander and post-war timber homes in Sunshine Coast face three relentless subfloor pressures: subterranean termites, wet-dry reactive clays, and tall pier heights on sloping blocks. High-set, sloping-site, low-clearance or two-storey restumping and relevelling ranges from $19,400 to $38,800 (typically $27,150). For brick or slab homes with foundation movement, concrete underpinning costs $1,175–$2,725 per pin / m (typically $1,800), bearer or joist replacement adds $115–$330 per m (typically $205/m), and Queensland building approval (Form 15 / Form 16 engineering and certifier fees) adds $1,175–$3,675 per job (typically $2,125).
Comparing cities, or after the Australia-wide picture? See the national guide: How much does restumping & reblocking cost in Australia?
Restumping & Reblocking Price List — Sunshine Coast (2026)
| Service | Low | Typical | High |
|---|---|---|---|
| Concrete stump replacement (supply & install) | $175per stump | $310 | $465 |
| Galvanised or adjustable steel stump replacement | $235per stump | $405 | $620 |
| Treated hardwood timber stump replacement | $155per stump | $250 | $390 |
| Partial restumping / spot relevel (5–10 stumps) | $2,125total | $3,500 | $5,450 |
| Full house restumping — 2–3 bed weatherboard (15–25 stumps) | $7,750total | $11,650 | $15,500 |
| Full house restumping — standard 3–4 bed home (25–40 stumps) | $12,600total | $17,450 | $25,200 |
| Complex, low-clearance or two-storey restumping & relevel | $19,400total | $27,150 | $38,800 |
| Concrete underpinning (reactive clay subsidence) | $1,175per pin / m | $1,800 | $2,725 |
| Subfloor bearer or joist replacement (timber repair) | $115per m | $205 | $330 |
| Building permit, engineering & soil report allowance | $1,175per job | $2,125 | $3,675 |
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Sunshine Coast Restumping Costs: Queenslanders, Steel Columns & QBCC Rules
Restumping in Sunshine Coast spans everything from low-set post-war cottages to high-set Queenslanders, and the quote turns on the subfloor height, the stump material and what the QBCC-licensed contractor and the certifier have to sign off:
- High-Set Queenslanders on Sloping Blocks: Steeply sloping blocks and high-set subfloors (often 1.8m–3.0m+ high) require hot-dip galvanised steel columns (75×75mm or 89×89mm SHS) or precast concrete columns with engineered tie-down bolts and wind bracing ($235–$620 per steel stump, typically $405; or $12,600–$25,200 for a standard 3–4 bed restump, and $19,400–$38,800 for complex, steep or two-storey lifts).
- Post-War Chamferboard & Hardwood Cottages: 1940s–1960s 2–3 bedroom cottages on 900mm–1,500mm concrete or timber stumps. Full restumping typically costs $7,750–$15,500 (around $11,650 typical) using precast concrete stumps ($175–$465 per stump, typically $310) or galvanised steel posts.
- Reactive Clay Blocks: Reactive clays shrink in dry spells and swell after heavy rain. Adjustable steel stumps ($235–$620/stump) and deeper bored piers prevent seasonal floor crowning, while slab/brick homes on these soils use concrete underpinning ($1,175–$2,725 per pin / m, typically $1,800).
- QBCC Licensing, Form 15/16 Certification & Termite Barriers: Any structural restumping or underpinning over $3,300 in Queensland must be carried out by a contractor holding an appropriate QBCC licence (Builder Restricted to Structural Landscaping / House Raising & Restumping, or Open/Low-Rise Builder), with QBCC Home Warranty Insurance on residential contracts over $3,300. You also need a private building certifier, RPEQ structural engineer design (Form 15) and inspection certificate (Form 16) ($1,175–$3,675 per job), plus AS 3660.1 physical termite protection (ant caps or collars) on all new stumps.
What Affects Restumping & Reblocking Costs in Sunshine Coast
Low-set vs high-set Queenslander height
Low-set post-war cottages on 600mm–1,200mm piers cost $7,750–$15,500 (2–3 bed) or $12,600–$25,200 (3–4 bed). High-set Queenslanders on 2.4m–3.0m+ columns or steep blocks require engineered steel columns, deeper bored footings and bracing ($19,400–$38,800).
Hot-dip galvanised steel vs concrete stumps
Precast concrete stumps cost $175–$465 per stump (typically $310) and suit heights up to ~1.8m. Hot-dip galvanised or adjustable steel columns ($235–$620 per stump, typically $405) are preferred for tall high-set subfloors, build-under renovations and reactive clay blocks.
Termite & wet-rot damage in hardwood bearers
Subterranean termites and wet rot frequently hollow out old hardwood bearers and joists above the stumps. Replacing or sistering damaged subfloor timber adds $115–$330 per linear metre (typically $205/m).
Council Character & Flood Overlays
Homes in a character or flood overlay can carry conditions on subfloor enclosures, pier design and height — RPEQ engineering (Form 15), soil testing and private certifier building approval add $1,175–$3,675 per job (typically $2,125).
Under-house concrete slabs & battens
Where a high-set home has an existing concrete slab poured between the old stumps plus laundry plumbing and perimeter battens, cutting concrete pockets around each stump and disconnecting/reconnecting rigid plumbing adds labour over an open-earth subfloor.
Slab & brick-veneer subsidence
Where a brick-veneer or slab home in Sunshine Coast has cracked due to reactive clay shrinkage or tree roots, concrete underpinning runs $1,175–$2,725 per pin / m (typically $1,800).
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Frequently Asked Questions — Restumping & Reblocking Cost in Sunshine Coast
Our Methodology
These are independent estimates from public cost guides, marketplaces and industry rate data, and no tradesperson can influence them, so always get a few quotes. Last reviewed November 2026. Read our full methodology →