PJ Cook

About PJ Cook

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So far PJ Cook has created 171 blog entries.

How Much Does A Granny Flat Cost To Build?

2026-07-16T15:17:46+10:00

Discover how much granny flats cost to build in NSW in 2026, including realistic price ranges for 1, 2 and 3 bedroom designs. Most quality, turnkey granny flats on the Central Coast start from around $180,000 plus GST. Learn what affects build costs, what’s included, and why very low quotes often exclude essential items.

How Much Does A Granny Flat Cost To Build?2026-07-16T15:17:46+10:00

Granny Flat Construction Guide

2024-12-10T13:51:52+11:00

Step-By-Step Guide On How Long Does It Takes To Build A Granny Flat The time it takes to build a granny flat can vary depending on several factors, but generally, it can take anywhere from 12 to 24 weeks. When asking, "How long does it take to build a granny flat," the timeline [...]

Granny Flat Construction Guide2024-12-10T13:51:52+11:00

Granny Flat Design Process

2024-10-01T10:51:58+10:00

Step-By-Step Design & Tender Process It’s never been easier to build a granny flat! At P J Cook Building, we are focused on ensuring our clients’ building experience is as simple and enjoyable as possible. As a guide, once the slab is poured onsite, the construction process for a single-storey granny [...]

Granny Flat Design Process2024-10-01T10:51:58+10:00

Benefits Of Investing In A Granny Flat

2026-04-08T11:32:09+10:00

A spacious backyard has so much more potential than just an area to weed and maintain! You can increase your living space, add value to your property and enjoy rental income. All these benefits can all be achieved through the addition of a granny flat.  Is a Granny Flat right for you? [...]

Benefits Of Investing In A Granny Flat2026-04-08T11:32:09+10:00

Can You Build A Granny Flat Without Council Approval?

2026-04-08T11:26:31+10:00

Is Your Property Eligible For Complying Development For A Granny Flat? Granny flats, or 'Secondary Dwellings,' are recognised under the NSW State Environmental Planning Policy (Affordable Rental Housing) 2009, often referred to as 'AHSEPP.' These units can be integrated with, attached to, or stand separate from the primary residence. P J Cook Building has outlined [...]

Can You Build A Granny Flat Without Council Approval?2026-04-08T11:26:31+10:00

Granny Flat Project: Rutherford

2025-10-06T15:23:35+11:00

This one-bedroom, open-plan granny flat was custom-designed and built by the experienced team at P J Cook Building. The brief was to create a modern “mini home” for the owners’ parents, who wanted to downsize and live closer to their daughter and grandchildren.

Granny Flat Project: Rutherford2025-10-06T15:23:35+11:00
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