Designs & Floor Plans

Granny Flat Designs & Floor Plans Victoria

Explore 1, 2 and 3 bedroom granny flat designs for Victoria homeowners who want practical layouts, lower-cost build options and stronger rental return potential.

Granny flat designs and floor plans Victoria

Compare layouts

Compare 1, 2 & 3 Bedroom Granny Flat Layouts

Choose the right layout by balancing build cost, rental potential, land fit and payback assumptions.

Compact plan

1 Bedroom

Lower starting cost, compact footprint, easier budget entry point.

48m² Area
1 Bedrooms
1 Bathrooms
Common uses

Parent retreat, guest room, compact rental or extra living space.

Check if this design fits my land

Quick Design Finder

Explore 1, 2 & 3 Bedroom Designs

Pick a starting layout. Then check if your land can suit it.

1 bedroom granny flat design Victoria

1 Bedroom Granny Flat

Approx. 40m² 1 Bed / 1 Bath

Compact starting point for tighter backyards.

Design highlights

  • Open living and kitchen
  • Private bedroom zones
  • Efficient bathroom and laundry
  • Designed as a starting point
Check if this design fits my land
2 bedroom granny flat design Victoria

2 Bedroom Granny Flat

Approx. 48m² 2 Bed / 1 Bath

Compact starting point for tighter backyards.

Design highlights

  • Two separate bedrooms
  • Open living and kitchen area
  • Practical bathroom and laundry zone
  • Popular choice for rental or family use
Check if this design fits my land
3 bedroom granny flat design Victoria

3 Bedroom Granny Flat

Approx. 60m² 3 Bed / 1 Bath

Compact starting point for tighter backyards.

Design highlights

  • Three bedroom layout direction
  • More flexibility for families or tenants
  • Open shared living space
  • Stronger land-fit check recommended
Check if this design fits my land

Materials Preview

Exterior & Interior Finish Options

A quick look at common exterior and interior finish areas. Final selections can be reviewed after your preferred design and site conditions are checked.

Exterior cladding finish option for a granny flat design
Exterior

External Cladding

Colorbond roof finish option for a granny flat design
Exterior

Colorbond Roof

Vinyl plank flooring finish option for a granny flat interior
Interior

Vinyl Plank Flooring

Kitchen and bathroom finish options for a granny flat interior
Interior

Kitchen & Bathroom Finishes

Aluminium window finish option for a granny flat exterior
Exterior

Aluminium Windows

Sliding door finish option for a granny flat exterior
Exterior

Sliding Doors

Gutters and fascia finish option for a granny flat exterior
Exterior

Gutters & Fascia

Entry steps and exterior detail for a granny flat design
Exterior

Steps & Entry Detail

Cabinetry finish option for a granny flat kitchen
Interior

Cabinetry

Kitchen benchtop finish option for a granny flat interior
Interior

Benchtop

Kitchen splashback finish option for a granny flat interior
Interior

Splashback

Bathroom tiles vanity walls and lighting finish options for a granny flat interior
Interior

Walls & Lighting

Finish options may vary by selected design, availability and final project scope.

Check My Land First

Design ROI snapshot

Design Is Only Half the Decision. ROI Starts With the Numbers.

The best granny flat design is not always the biggest one. For investment use, the right choice depends on your starting budget, site conditions, expected weekly rent, occupancy and final project cost.

Get a Free ROI Estimate

Cost input

Starting Cost

Use the design price as a starting point, then check what your site may add.

Site input

Site-Dependent Costs

Access, services, foundations, reports and installation needs can change the final project estimate.

Income input

Rental Return Potential

Expected rent, occupancy and annual expenses should be checked before relying on a payback estimate.

Indicative only. ROI, rental income, payback and final project cost depend on your land, suburb, site works, services, vacancy, expenses and market conditions. This is not financial advice or a fixed quote.

Free Land Check

Check If This Design Fits Your Land and ROI Goal

Send your address, preferred design and investment goal. We’ll review land fit, likely cost factors and whether the design is worth estimating for rental return.

1
Free Land Check

Share your address so we can review land size, access, services and visible site factors.

2
Request a Site Visit

Want to see a design in person? Select site visit and we’ll confirm what options are available.

Land fit first

Check Your Land Before Choosing a Granny Flat Design

The design you like still needs to work with your backyard, access, services and site conditions.

Land Size

Usable backyard area affects which layout can be considered.

Site Access

Narrow access can affect delivery, build method and timing.

Setbacks

Boundaries and nearby buildings affect where the unit may sit.

Services

Water, sewer, stormwater and power need checking early.

Slope & Levels

A sloping block may need extra review before design decisions.

Easements & Overlays

Some site constraints can limit what can move forward.

Picked a layout? Send the address first.

Start a Free Land Check

Design FAQ

Granny Flat Design Questions

Clear answers before you choose a design or send your land details.

How do I know which granny flat design fits my land?

Start with the design you like, then check the block. Land size, access, services, setbacks and site constraints can all affect whether a design is the right starting point.

Can I customise a granny flat floor plan?

Some changes can be discussed, especially finishes, fixtures and layout preferences. The real limit is usually the site: access, services, slope and approval pathway can affect what is practical.

Do I need approval before choosing a design?

Approval requirements depend on the property and project pathway, so we do not assume the answer before reviewing the site. You can also read our Granny Flat Rules Victoria guide for general rule information.

Can I use a granny flat for rental income?

Yes, rental use can be part of the plan. Layout, suburb, privacy, finish level and market conditions all matter. For more detail, see our Rental Income Guide.

Should I choose a 1, 2 or 3 bedroom granny flat design?

Choose the layout that matches your main goal. One bedroom is usually a compact starting point, two bedrooms gives more everyday flexibility, and three bedrooms needs more usable backyard space.

Is a 3 bedroom granny flat always possible?

No. A larger design usually needs more usable space and a closer check of access, setbacks, services and site conditions. It is better to check the land before assuming a 3 bedroom design will work.

What can change after I choose a design?

The design is a starting point. Site works, service connections, reports, access, finishes and optional upgrades can all affect the final scope. That is why the land check comes before detailed pricing.

Can I get a final quote from this designs page?

Not from the designs page alone. A final quote needs the land, site conditions, selected design, finishes and scope to be reviewed first. This page helps you choose the right starting point.

Still Unsure? Check My Land

Send your address and preferred design. We will check the key site factors first.

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Found a Granny Flat Design You Like?

Start with a free land check before choosing your final layout.