
Knockdown Rebuild Gymea — Demo to Handover in 12 Months
Gymea 2227 KDR with tight programme: demolition (3–4 weeks), new home (24–40 weeks). CDC fast-track or Sutherland Shire Council DA. Weekly progress updates.
Knockdown Rebuild Builder in Gymea
A knockdown rebuild in Gymea is a solid Shire play — 1960s to 1990s fibro and brick veneer on 550 to 800m² R2 blocks, in a quiet family suburb with its own station and the Gymea Bay foreshore to the south. The aging stock suits a modern rebuild.
The Shire specifics apply: the sandstone bedrock means rock of $30,000 to $120,000 priced from a geotech bore, the Shire's 700m² duplex minimum is higher than most LGAs, and the Council's mature canopy tree protections shape the siting on treed blocks.
The fibro-era stock usually carries asbestos, so a licensed strip-out and clearance certificate lead the demolition. On the Gymea Bay foreshore lots, the Foreshore Building Line applies.
We rebuild fixed-price, licence HBL 487805C. Get our feasibility, with the rock and trees checked, before you commit.
Buildana manages the complete knockdown rebuild process in Gymea — from site assessment and architectural design through to DA or CDC approval, demolition management, and fixed-price construction to handover. One builder, one contract, one new home.
Read our KDR Cost Guide 2026 or use the Renovation vs KDR Calculator to compare options.
- New home in Gymea from $450K
- Sutherland Shire Council DA and CDC approvals managed
- Demolition and asbestos removal included
- Hawkesbury Sandstone bedrock — engineered slab design included
- Typical blocks 550–800m² typical; 600–1,000m² premium beachside/foreshore (Cronulla/Burraneer/Lilli Pilli/Yowie Bay/Caringbah South/Sylvania Waters); 700–2,000m² bushland-fringe (Bundeena, Maianbar, Bangor, Menai) in Gymea
- Single and two-storey designs available
- 6-year structural warranty
- Free site assessment — near Gymea station

Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Quiet Shire family blocks
Gymea's 550 to 800m² blocks of aging fibro and brick veneer, its own station and the Gymea Bay foreshore make it a solid family rebuild suburb. A knockdown resets a dated home into a modern one in a settled pocket.
The Shire's 700m² duplex minimum is higher than most LGAs, so a duplex only stacks up on the larger blocks — I check yours.
Rock, trees and fibro
The sandstone bedrock means rock of $30,000 to $120,000, priced from a geotech bore. The Council's mature canopy tree protections shape the siting on treed blocks, checked off the survey.
The fibro-era stock usually carries asbestos, so a licensed strip-out and clearance certificate lead the demolition.
Knockdown-rebuild builder in Gymea — key facts
- Suburb
- Gymea, NSW 2227
- Council / LGA
- Sutherland Shire Council (Sutherland Shire)
- Primary zoning
- R2 Low Density predominant
- Typical lot size
- 550–800m² typical; 600–1,000m² premium beachside/foreshore (Cronulla/Burraneer/Lilli Pilli/Yowie Bay/Caringbah South/Sylvania Waters); 700–2,000m² bushland-fringe (Bundeena, Maianbar, Bangor, Menai)
- Soil class
- Hawkesbury Sandstone bedrock
- Median house price
- $1.4M–$2.2M mid-tier; $1.8M–$3.8M foreshore; $2.5M–$6.0M+ Cronulla/Burraneer/Lilli Pilli/Caringbah South premium beachside
- Home era
- 1960s–1990s fibro/brick veneer predominant + 1990s–2010s brick
- Typical price range
- $450,000 – $1,200,000+
- Typical timeline
- 14–22 months including demolition
- Approval pathway
- CDC where eligible or DA for complex sites
Want a real number for YOUR block — not a generic estimate?
Free site assessment, fixed-price contract, line-itemised quote within 48 hours. No high-pressure sales — just a real builder talking real numbers.
Last updated: 1 April 2026
Explore Related Topics
New Home in Gymea — KDR Consultation
Free KDR site assessment for Gymea 2227. We'll assess your block, estimate cost, and provide a fixed-price budget.
Start Your ProjectMore in Gymea
Other Buildana services in Gymea
Costs, approval pathway and fixed-price contract detail for every other build type we deliver in Gymea 2227. Sutherland Shire Council regulations and local controls are covered on each page.