10% Christmas Discount (December Only)

15 Years of Residential Design Expertise

Professional granny flat and secondary dwelling design for Sydney's Lower North Shore. Create additional income or accommodate family with expert building designers.

Why Choose Sydney House Design?

With 15 years of experience designing granny flats and secondary dwellings across Sydney, we understand how to maximise your backyard potential while meeting all council requirements.

  • 15 years of residential design expertise
  • Specialist granny flat and secondary dwelling designers
  • CDC and DA approval pathways
  • Lower North Shore specialists
  • Hundreds of successful granny flat projects
  • Free initial consultation
Granny flat design concept - Sydney House Design

Granny Flat Design Options

We design a range of granny flat configurations to suit your site and lifestyle goals.

Single Storey Granny Flat

Compact, accessible design perfect for ageing parents or rental income

Double Storey Granny Flat

Maximise space on smaller lots with a two-level secondary dwelling

Studio Granny Flat

Open plan living ideal for single occupants or home office space

Family Granny Flat

Multi-bedroom designs for extended family or higher rental yields

Granny Flat Design Package

We design single or double storey granny flats which are customised to suit your individual needs.

Single Storey

from $4,000

Double Storey

from $4,800

Package Includes:

Attend the site for a site measure (if required)
Review local planning requirements and visit and photograph the site
Site the proposed building based on council controls and site topography
Create concept floor plans with 3 complimentary revisions
Prepare 1 x 3D rendered view
Prepare material options
Prepare and present a concept design report and presentation for client sign-off
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15 Years Experience

Trusted residential design expertise

Fast Approvals

CDC & DA pathways available

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100s of Granny Flats

Designed across Sydney

10% Christmas Discount - December Only

Request a Free Consultation

Get in touch with our experienced building designers to discuss your granny flat project. We'll provide a free initial consultation to assess your site.

  • Free site feasibility assessment
  • CDC vs DA pathway recommendation
  • Single or double storey options
  • Detailed project quote

Or call us directly:

0435 596 972

Get Your Free Quote

Visit our contact page to submit your enquiry, or call us on 0435 596 972

Ready to Start Your Granny Flat Project?

Take advantage of our 10% Christmas discount this December. Contact us today for a free consultation.

Call 0435 596 972 View All Services