House designs for 12.5m x 21m blocks

Expertly designed homes built for your future

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A proud legacy of thoughtful home design across Melbourne

When it comes to building on a 12.5m x 21m block, great design makes all the difference. At Carlisle Homes, we specialise in smart, space-efficient 12.5m x 21m house designs that offer comfort, functionality, and beautiful living in a compact footprint. With more than 20 years of experience, we’re trusted by Victorian families to turn tight blocks into dream homes.

Let us help you find a layout that fits your lifestyle today and grows with you tomorrow.

Start your journey today

House & Land package Specialists

House & Land Packaging Range

Carlisle own the largest range of house and land stock on the market and offer fixed price house and land packages.

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Wide range of low cost facades

Low Cost Facade Range

In comparison to the industry the facade options and pricing range provides Carlisle Homes with a market advantage

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Customer Service at Carlisle

Superior Customer Service

High care factor throughout the process from start to finish. This is reflected via industry leading build times and build quality.

Our Customer Promise

 Our 12.5m x 21m home floor plans

Need home designs for a 12.5m x 21m block that combine elegance with practicality? Carlisle Homes offers a versatile range of floorplans that make clever use of every corner. Whether you prefer open-plan living or separate zones for rest and play, our designs cater to different family needs, style preferences, and budgets.



Creative home solutions for narrow and deep lots

With awards from HIA and MBAV, Carlisle Homes is proud to offer innovative house plans for 12.5m x 21m blocks that never compromise on liveability. From impressive kitchens to multiple living spaces, our designs reflect thoughtful planning to suit Melbourne’s popular land sizes.

EasyLiving for your block dimension

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Over 100 floorplan designs

Clever use of space

Our EasyLiving floorplan is thoughtfully designed to make the most of every square metre. With integrated storage and open-plan living zones, comfort and functionality come built-in.

Premium facade range

Style that fits your block

Select from a range of facades created specifically for narrow blocks. Each option balances modern design with timeless style, giving your home spacious interiors and striking street appeal.

Customise your home with the Spectra Showroom

Designed with value in mind

Affordable, practical, and family-oriented, this EasyLiving design delivers more home for less. Perfect for first-home buyers, young families, or downsizers, it combines smart living with budget-friendly choices.

Build your dream home with Carlisle Homes

Your home, your way

With Carlisle’s reliable build times and long-term quality guarantees, you can step into your new home with confidence, knowing it’s built to last and ready for the lifestyle you want.

Visualise your new home with Carlisle

Amazing knockdown rebuild experience

Carlisle Homes made our knockdown rebuild simple and stress-free. Their team guided us through every step and was always available to help. Their strong reputation in Melbourne truly held up. Now living in our dream home, we wouldn’t change a thing. If you’re thinking of building new, especially a knockdown rebuild, we highly recommend them.


Michael & Tina
Matisse 35

Positive experience for first-home buyers

As first-home buyers in Melbourne, the process felt both exciting and overwhelming. We wanted something affordable that suited our style—and Carlisle Homes stood out. Their EasyLiving range was perfect for us, and the glowing reviews gave us confidence. Their strong reputation for quality and customer care sealed the deal.


Karlie & Sam
EasyLiving Series

Carlisle Homes redefined perfection!

When we decided to build our dream home, we knew we needed a design that fit our lifestyle and preferences. Carlisle Homes offered the flexibility to customise their floorplans, allowing us to create a space that truly felt like ours. The various options that were available for us to reconfigure has allowed us to really customise the house to meet the specific needs that we have as a family.


Patrick & Des
Astoria Grand 49
See what our customers have to say

Frequently asked questions

What home design fits my 12.5m x 21m block

Carlisle Homes offers a broad range of house plans designed specifically for 12.5m x 21m blocks. From clever single-storey options to spacious double-storey layouts, our floorplans are tailored to suit your family's size, style, and future needs.

Can I fit a pool or alfresco area on my 12.5m x 21m block?

Yes. Many of our home designs for 12.5m x 21m blocks include alfresco areas as standard or as an upgrade. We also have many ideas on how you can update your Alfresco space to make it more enjoyable.

How much does it cost to build a home on a 12.5m x 21m block?

Pricing varies based on your selected floorplan, inclusions, and any personalisations. Our 12.5m x 21m house designs start from $272,900. Use our building cost calculators or speak with our team for a clearer estimate.

Can I personalise my house design?

Not in the traditional sense — EasyLiving homes are thoughtfully pre-designed to maximise space, style, and value, giving you everything you need without the stress of making endless choices. From smart layouts to modern finishes, it’s all taken care of so you can simply move in and enjoy.

Will I have room for a garage and spacious living zones?

Absolutely. Our floorplans are crafted to balance indoor and outdoor living, ensuring you have generous lounge areas and a double garage.

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