Premium Granny Flat Kits
& Custom LGS Steel Frames
Looking for Granny Flat Kits? Build better with LGS steel frames. We engineer your plans into AS4600 compliant lock-up stage kits. Perfect for owner-builders and developers to save thousands on traditional builder margins.
For owner-builders & developers
Your plans + our factory = lock-up stage kit delivered worldwide
We convert your approved drawings into precision-engineered steel frame granny flat kits. Flat-pack shipped, ready for local assembly.
Your Plans, Our Engineering — Lock-up Stage Kits
Send your approved plans and we engineer a complete steel frame flat-pack kit. Steel studs, trusses, wall panels and doors/windows — precision CNC-cut and shipped ready for you or your local builder.
The Flagship Gable Series
Our most sought-after portable asset. Features a stunning pitched roof, premium exterior cladding, and residential-grade finishes.
Motorized Louvered
Pergola
No council permit required. Freestanding under 18㎡ with motorized louvers, hidden drainage, and integrated LED. The ultimate backyard upgrade.
From $4,990
AUD landed
Engineered to support AS4600 structural standards
Every LGS kit is precision-manufactured using CNC roll-forming technology. We publish our specs because transparency builds trust with professional builders.
LGS Steel Framing
AS4600-Grade Light Gauge Steel
G550 high-tensile galvanized steel studs and tracks. CNC roll-formed to sub-millimetre tolerances. Pre-punched service holes for electrical and plumbing. Engineered to support AS4600 and NASH structural standards.
External Wall System
Complete Cladding & Insulation
Factory-fitted external cladding options including fibre cement, rendered finish, and composite panels. Insulation batts pre-installed between steel studs. Complete weatherproof envelope ready for your local builder to finish internally.
Doors & Windows
Thermally-Broken Aluminium
Double-glazed thermally-broken aluminium windows and doors included in every kit. Pre-sized to your plans, delivered ready-to-install. Meets energy efficiency requirements for most climate zones.
Full LGS Lock-up Kit Specification — Typical 150m² Home
Steel Framing System (G550 LGS)
- Wall studs — 89×32×0.75mm C-section
- Top & bottom tracks — 91×32×0.75mm
- Roof trusses — CNC roll-formed to plan
- Floor joists — 200×45×1.0mm (if applicable)
- All connections — self-drilling screws
- Pre-punched service holes for M&E
External Envelope
- Cladding — fibre cement / rendered / composite
- Insulation — R2.5+ glass wool batts
- Sarking — reflective building wrap
- Roof — Colorbond steel sheeting
Doors & Windows
- Thermally-broken aluminium frames
- Double-glazed IGU units
- Sized to your approved plans
- Hardware & seals included
Documentation
- Engineering drawings (stamped)
- Assembly manual with step-by-step
- Connection details & fixing schedule
Not Included (Supply-Only)
- Slab / foundations (by local builder)
- Plumbing & electrical (by local trades)
- Internal linings & finishes
Every specification above is from our standard LGS kit scope. We publish them because professional builders deserve full transparency before committing to a supply partner.
Direct from our
manufacturing hub.
Your approved plans become a precision-engineered LGS kit. We ship the complete lock-up stage package straight from our factory floor to your site worldwide. Zero middleman markup.
~$600
USD/sqm ex-factory
~1 wk
On-site assembly
$0
Custom design fee
We ship worldwide
Can we ship to your location? Get a shipping quote →
Engineered precision. Delivered flat-pack.
Traditional builds cost $3,000–4,500 AUD/sqm and take 6–12 months. Our LGS flat-pack kits deliver the lock-up stage at a fraction of the cost — your local crew assembles on-site in approximately one week.
60–70% lower cost vs local build
Lock-up stage kits from ~$600 USD/sqm versus $3,000–4,500 AUD/sqm for traditional local construction. Same quality outcome, factory-controlled precision.
Flat-pack container shipping
All components flat-packed into standard 40ft shipping containers. No oversized loads, no special permits. Delivered to any port worldwide with standard freight rates.
100% custom to your plans
No fixed models or catalogues. Send your approved drawings and we engineer the complete LGS framing package. Any floor plan, any size, any style.
Precision CNC manufacturing
Every steel member is CNC roll-formed to sub-millimetre tolerances. Pre-punched, pre-labelled, and packed with assembly drawings. Minimal on-site cutting required.
Engineered for certification
All kits are engineered to support AS4600 structural certification. We provide engineering documentation to assist your local certifier with approval pathways.
Global delivery network
We ship to Australia, New Zealand, USA, UK, Middle East, and Southeast Asia. Factory capacity of 300+ kits per month ensures reliable lead times.
Our Product Range
33 models across LGS kit homes and commercial spaces. Every one delivered door-to-door.
🏡Residential Homes
Premium Expandable Granny Flat
Expandable prefab granny flat kit — from $22,490, set up in 1–2 days
A-8 Compact Modular Home
32 sqm
A-10 Modular Home
40 sqm
A-10B Loft Modular Home
47 sqm
A-12B Extended Modular Home
48 sqm
A-12C Modular Home
48 sqm
A-12D Modular Home
48 sqm
A-12E Pitched Roof Modular Home
48 sqm
P-60 Premium Modular Home
60 sqm
H-98 Multi-Module Family Home
98 sqm
T-62 Dual-Module Home
62 sqm
S-140 Family Residence
140 sqm
54sqm Granny Flat Kit - LGS Steel Frame (Plan 01)
54 sqm
45sqm Granny Flat Kit - LGS Steel Frame (Plan 03)
45 sqm
32sqm Granny Flat Kit - LGS Steel Frame (Plan 04)
32 sqm
26sqm Granny Flat Kit - LGS Steel Frame (Plan 05)
26 sqm
80sqm Granny Flat Kit - LGS Steel Frame (Plan 06)
80 sqm
100sqm Granny Flat Kit - LGS Steel Frame (Plan 08)
100 sqm
50sqm Granny Flat Kit - LGS Steel Frame (Plan 09)
50 sqm
62sqm Granny Flat Kit - LGS Steel Frame (Plan 11)
62 sqm
21sqm Granny Flat Kit - LGS Steel Frame (Plan 13)
21 sqm
22.5sqm Granny Flat Kit - LGS Steel Frame (Plan 16)
22.5 sqm
🏢Commercial Spaces
Pod 24A Commercial Space
24 sqm
Pod 40A Commercial Space
40 sqm
Pod 80A Commercial Space
80 sqm
Pod 120B Commercial Complex
120 sqm
Modular Commercial Street
Multi-unit prefab commercial precinct — modular retail & hospitality street
83sqm Granny Flat Kit - LGS Steel Frame (Plan 02)
83 sqm
34sqm Granny Flat Kit - LGS Steel Frame (Plan 07)
34 sqm
200sqm Granny Flat Kit - LGS Steel Frame (Plan 10)
200 sqm
48sqm Granny Flat Kit - LGS Steel Frame (Plan 12)
48 sqm
34.5sqm Granny Flat Kit - LGS Steel Frame (Plan 14)
34.5 sqm
28sqm Granny Flat Kit - LGS Steel Frame (Plan 15)
28 sqm
From plans to lock-up
Your custom LGS kit home journey. We handle the engineering complexity so your team can focus on the build.
Send Your Plans
Share your approved drawings (DWG/PDF) or design brief. We review feasibility and provide a detailed scope assessment within 48 hours.
Engineering & Quote
Our engineers convert your plans into production-ready LGS framing layouts. You receive a transparent per-sqm quote for the lock-up stage kit.
Factory Production
Precision CNC roll-forming of all steel members. Wall panels, roof trusses, and floor cassettes are pre-assembled and flat-packed for shipping.
Ship & Assemble
Flat-pack components ship in standard containers worldwide. Your local team assembles on-site in approximately 1–2 weeks.
Designed for living, not just existing
Every home features premium finishes — from wood paneling and ambient LED lighting to designer fixtures and panoramic views.
Master Bedroom
A-8 Compact Modular Home
H-98 Family Home
A-12D Living Space
Ready to start your custom LGS kit home project?
Send your plans or design brief. We'll engineer a custom LGS framing quote and provide a detailed scope within 48 hours.