17 December 2025
Granny Flat Floor Plans NSW: Layout Rules That Make 60m² Feel Bigger
The granny flat floor plan is where most projects succeed or fail.
You can have a compliant envelope, a nice façade, and a smooth CDC pathway… and still end up with a granny flat that feels like a long corridor with a kitchen at the end.
If you’re working with a typical NSW granny flat size (often around the 60m² mark for common secondary dwelling designs), the rule is simple:
Every square metre must earn its keep.

The “featured snippet” answer: what makes a good granny flat floor plan?
A strong granny flat layout usually has:
- Minimal hallways
- Living area placed for best daylight
- Direct connection to a usable outdoor space
- Practical storage (not an afterthought)
- A bathroom and laundry that don’t chew the whole plan
1) Start with the resident (not the room list)
Granny flats are used very differently:
- Parents downsizing: want accessibility + easy living
- Adult kids: want separation + privacy
- Tenants: want storage + daylight + parking clarity
- Home office/guest use: want flexible rooms A floor plan should match the use case. Otherwise you get expensive “spaces” nobody uses.
2) Kill the hallway (politely)
In small dwellings, hallways are dead space.
Better options:
- A compact entry directly into living space (with a screening wall if needed)
- A short “spine” corridor that also holds storage/laundry
- Bedrooms accessed off living zones with acoustic separation
3) Put living where the light is
In NSW, the easiest way to make a small dwelling feel bigger is daylight.
If you can get north or east light into living, do it.
If you can’t, plan for:
- courtyards
- clerestory glazing
- skylights (targeted, not random)
4) Kitchens: compact, not compromised
A good granny flat kitchen is:
- close to entry (easy groceries)
- visually connected to living
- designed with realistic bench lengths and appliance locations Common mistake: a long straight kitchen that eats the living space.
5) Bathroom + laundry: combine where sensible
In many granny flats, a combined bathroom/laundry is normal.
The trick is to design it so it doesn’t feel like:
- a laundry pretending to be a bathroom, or
- a bathroom with nowhere to put a broom.
6) Storage: the thing renters and parents both notice
Storage sells the granny flat.
Minimum “good” storage thinking:
- a linen cupboard
- decent bedroom robes
- somewhere for a vacuum / mop
- external storage if there’s a yard
7) Outdoor space: treat it like another room
A small courtyard that’s sunny and private is worth more than a bigger yard that’s shaded and overlooked.
Design it as:
- outdoor dining off living
- a small strip for planting
- privacy buffer (screening + landscape)
FAQs: Granny Flat Floor Plans NSW
One bedroom or two bedroom granny flat?
Two-bedroom plans can work, but often at the expense of living space. The best two-bed designs are disciplined: minimal corridors, compact wet areas, strong indoor–outdoor connection.
Can a granny flat feel spacious?
Yes—if the plan is light-led and circulation-efficient.
Planland note
If you’re not sure whether your floor plan is “good” or just “compliant”, we can review a sketch plan and tell you what will likely get flagged (and what will sail through).