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From Plans to Keys – Completed Projects
Any references to rental yields, incomes or build costs are provided for general educational purposes only and do not constitute financial advice. You should always seek independent advice from a licensed financial planner or adviser before making any investment decisions.
Every granny flat starts the same way. A conversation. A block of land. A goal.
Then it becomes something more.
On this page, you’ll see real Central Coast granny flat projects we’ve taken from first sketch through to final handover. Not just finished buildings, but smart investment decisions, growing families gaining space, and homeowners unlocking hidden value in their own backyard.
We don’t build hundreds a year. We focus on getting each one right.
These completed builds walk you through the journey, the yields achieved, the approvals process, the site challenges we solved, and the final outcome. Because trust isn’t built through promises. It’s built through proof.
If you’re wondering what’s possible on your block, this is where clarity begins.
From Plans to Keys
Wyoming Project – A Dual-Income Vision Brought to Life
An investor engaged our team to design and build a custom three-bedroom home with walk-in robe, ensuite, and open plan living, alongside a two-bedroom granny flat in Wyoming. With thoughtful design, private bedroom wings and a warm finish using pine fencing, the project maximises both functionality and long-term rental potential.
Coastwide Granny Flats
Budgewoi Granny Flat Build – Smart Design on a Sloping Block with Strong Rental Returns
This Budgewoi investment property was transformed with a new granny flat built on a cut-and-fill slab. With all materials carried by hand to the rear, plus a new driveway and stormwater solution, the project overcame major site challenges. Completed for around $205,000, including extras like air conditioning, patio, and landscaping, the flat now earns $460 per week with strong rental yields.
Coastwide Granny Flats
North Avoca Granny Flat Build – Overcoming Challenges on a Steep Site
This North Avoca granny flat overcame a steep site and access challenges to deliver a stunning result. Featuring dual skillion roofs, east-facing highlight windows, and an elevated timber deck with treetop and ocean views, the home is filled with natural light and modern finishes. Now achieving $785 per week in rent, it proves the value of smart design and quality construction.
Coastwide Granny Flats
Killarney Vale Granny Flat Build – From Old Garage to High-Yield Rental
Coastwide Granny Flats completed this Killarney Vale project from design through to construction. After site preparation and approvals, the granny flat was built in just 12 weeks at a total project cost of $215,000. Now leased at $550 per week, it delivers strong returns with a gross yield of 13.3% on the full cost, or 16.6% on the direct build cost, showing the value of smart planning and efficient delivery.
Coastwide Granny Flats
Berkeley Vale Granny Flat Build – Investment Property Transformed for Strong Returns
When a property investor purchased in Berkeley Vale, Coastwide Granny Flats managed the full design, approval, and construction of a new granny flat. Challenges like an old pool removal were handled with ease, and the engineered slab ensured long-term stability. Completed at a project cost of $220,000, the granny flat leased within one week for $550 per week, achieving a 13% rental yield.
Coastwide Granny Flats
Built to Handle the Fall – The Tascott in Kanwal
Tascott granny flat built in Kanwal as an investment on a block sloping away from the street. Through cut and fill earthworks we achieved a slab on ground build and installed a pumped stormwater system to return overflow to the street. A smart solution that protects long term performance while delivering strong rental appeal.
Coastwide Granny Flats
From Non Compliant to High Performing – The Matcham in Ettalong Beach
Council approved Matcham granny flat built in Ettalong Beach as an investment property. After removing a previous non compliant structure, this level sand based block allowed for a smooth rebuild with side access and standard council setbacks. A smart, secure secondary dwelling designed to protect long term value and maximise rental return.
Coastwide Granny Flats
Built Around the Land – Green Point Custom Granny Flat
Custom split level granny flat built in Green Point on a steep corner block with a 2 metre stormwater easement. This full custom design features architectural curves and a smart layout designed to work with the slope. See how Coastwide Granny Flats transformed a constrained site into a premium secondary dwelling built for long term value.
Coastwide Granny Flats
Davistown Investment Build – The Coastal Design Within BAL29 & Flood Controls
A Council DA approved investment granny flat in Davistown built within a BAL29 bushfire zone and flood overlay. Featuring a 12 metre rear setback, elevated bearers and joists floor system and skillion roof design, this project demonstrates how our standard Coastal floor plan can be delivered compliantly without internal amendments while maintaining strong rental appeal.
Coastwide Granny Flats
Wyoming Investment Build – Custom Design Around Infrastructure
A custom designed investment granny flat in Wyoming, built alongside a full home renovation and carefully planned around a sewer main and inspection opening. Featuring a tandem carport, 3 x 4 metre deck, concrete driveway with turn around bay, and stepped design for compliant access, this project demonstrates how strategic planning can turn infrastructure constraints into a high performing rental asset.
Coastwide Granny Flats
Saratoga Custom Build – Elevated Design With Water Views
A custom designed elevated granny flat in Saratoga, built on a challenging battle axe block with water views, expansive decking, and full Council DA approval. This project showcases how thoughtful design can turn a steep hillside site into a refined, high performing second dwelling.
Coastwide Granny Flats
Wamberal Granny Flat Project Clever Design on a Corner Block
A custom Wamberal granny flat built on a corner block, featuring a scallion roof, raked ceilings and a private street entrance. Clever design adjustments ensured council compliance while maintaining space, light and street appeal.
Coastwide Granny Flats
Woy Woy Granny Flat Build – Smart Investment with Our Popular Tascott Design
This Woy Woy granny flat features our popular Tascott design, chosen for its simplicity and strong rental appeal. Built with private rear lane access and a covered entry deck, it offers low-maintenance living in a location known for flat, sandy soils and strong rental demand. A smart investment property designed to deliver long-term value.
Coastwide Granny Flats
Killarney Vale Granny Flat – The Tascott Design with Added Outdoor Living & Carport
This Killarney Vale granny flat, built from our popular Tascott design, features a large front patio, single carport, and private driveway access. Completed for around $183,000, it rents for $550 per week, delivering a strong 15% yield. The extended roofline, neat landscaping, and modern finish make it a standout investment with excellent tenant appeal.
Coastwide Granny Flats
Berkeley Vale Granny Flat Build – Maximising A Dual Street Frontage Block
This Berkeley Vale project took advantage of a dual street frontage, with the main home facing one street and the granny flat positioned at the rear with separate access. Built on a level block with excellent street access, the granny flat was completed on a concrete slab in just 12 weeks. Featuring a covered patio and extended roofline, the $175,000 build achieves an impressive 16% rental yield with $540 per week expected rent.
Coastwide Granny Flats
Berkeley Vale Granny Flat Build – Modern Design With Strong Returns
This Berkeley Vale granny flat was built as an investment to ease mortgage pressures while boosting property value. Featuring our most popular floor plan, it includes a large covered deck, excellent side access with a pre-existing driveway, and a standout blue kitchen splashback. Completed for $177,000, it now returns $530 per week, delivering strong rental yield and long-term growth.
Coastwide Granny Flats
Killarney Vale Granny Flat Build – Our Tascott Design on a Gentle Slope
This Brooke Avenue investment project features our Tascott design, elevated to meet council flood height requirements. Completed in 12 weeks at a build cost of $175,000, the granny flat includes a side gravel driveway, fencing for privacy, and a raised entertaining deck. With its modern finish and practical layout, it adds strong long-term value and rental appeal to the property.
Coastwide Granny Flats
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