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Custom Designs | Flat Designs for Central Coast Homes | Coastwide Granny Flats

Custom Design

Many properties suit one of our proven 60 sqm floor plans, which have been carefully designed to work within standard granny flat requirements. However, every block is different, and site conditions such as flood zones, bushfire attack levels (BAL ratings), easements and irregular shapes can all influence how a granny flat can be positioned.

Where needed, we adjust and customise our standard designs to suit the unique constraints of your land while still maintaining a practical, functional layout that is ready for approval.

In some cases, a Development Application (DA) can provide additional flexibility with setbacks, allowing room for features such as a carport, patio or improved access where space may otherwise be limited.

 

By working with the conditions of your property, we ensure your granny flat is designed to fit comfortably and comply with all requirements.

Tailored to Your Block

Designed to suit unique shapes, slopes and setbacks​

Fits Your

Purpose

Whether for family or rental income, we design to match your goals

Cost-Effective Design

Optimised room sizes to balance comfort and budget

From Concept to Completion

Guided by our designer every step of the way

See how we can design for your property

Enter your details and we’ll arrange a phone consultation and a preliminary site assessment to discuss your property conditions, explore design options and guide you on the next steps to create a custom granny flat to suit your property.

Thank you for reaching out! We’ll be in touch shortly.

Finance Made Easy

Talk to our in-house broker

From loan approval through to progress payments and handover, our in-house finance broker works with you to find the right solution, so you can start building sooner. 

Theresa Lonergan

0412 076 191

Room with Bunk Bed

Office & Displays

02 4314 9014

58 George Street,

East Gosford NSW 2250

Enquiries

Let's talk about your granny flat, call or email us today.

Mathew 0422 358 295

Steve 0461 375 880

Photographs, imagery, and pictures on this website may depict fixtures, finishes, and features that are not part of the standard inclusions. Please refer to our standard inclusions list for details

 

© 2025 by Coastwide Grannyflats PTY LTD t/as Coastwide Granny Flats

ABN: 61 628 727 364 | Licence: 368 941C

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