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Granny Flat

Granny Flat Project: Charmhaven

2025-10-06T15:58:14+11:00

This Charmhaven granny flat showcases our Wamberal open plan design, delivering a bright kitchen and living zone with two well separated bedrooms. Built for Sydney investors, it pairs low maintenance finishes with quality standard inclusions like stone benchtops, durable exterior cladding, split system air conditioning, ceiling fans with LED lighting, aluminium window and door frames, and a feature entry door. The result is a stylish, practical home that is rental ready and designed to perform long term.

Granny Flat Project: Charmhaven2025-10-06T15:58:14+11:00

Niagara Park Granny Flat Project

2025-10-06T12:00:58+11:00

This recently completed two bedroom granny flat in Niagara Park was built for a lovely couple to give their daughter an independent space close to home. With the rising cost of living and new home prices, many families are choosing backyard granny flats as an affordable solution because there is no land to buy and the building cost is lower. This project delivers modern comfort and privacy in a smart, compact footprint.

Niagara Park Granny Flat Project2025-10-06T12:00:58+11:00

Umina Beach Granny Flat Project

2025-10-06T13:50:31+11:00

Built on a timber floor with a uni pier system and green foil board underfloor insulation to meet BASIX, this granny flat features white interiors with vinyl planks, a streamlined kitchen, a stone top vanity, separate bathroom and laundry, reverse cycle air conditioning, Weathertex cladding and rear lane access with an automatic gate and carport.

Umina Beach Granny Flat Project2025-10-06T13:50:31+11:00

Morisset Park Granny Flat Project

2025-10-06T14:02:18+11:00

A two bedroom brick veneer granny flat in Morisset Park using our Tuggerah design, offering open plan living, low maintenance finishes, off street parking and landscaped outdoor areas, finished to a high standard with an expected rental return of about $450 to $470 per week.

Morisset Park Granny Flat Project2025-10-06T14:02:18+11:00

Building a Granny Flat In Unsewered Areas, What Are The Options?

2024-10-01T10:47:27+10:00

What are your options if you live or have bought a property in an un-sewered area and plan on building on your site? So you've just purchased or own a property in an unsewered area and want to build a Granny Flat. In that case, you're likely thinking about what water treatment system [...]

Building a Granny Flat In Unsewered Areas, What Are The Options?2024-10-01T10:47:27+10:00

Project: Investment Granny Flat Umina Beach

2025-10-06T14:27:56+11:00

Built in Umina Beach for Sydney investors, this two bedroom granny flat uses flood compliant bearers and joists with a uni pier system and underfloor insulation. Major cost drivers included the split skillion gable roofline with raked and square set ceilings, a stone top kitchen with breakfast bar and tiled splashback, vinyl plank flooring, separate toilet and split system air conditioning, crisp exterior cladding with square architraves, plus rear lane works with an automatic sliding gate, an extended driveway to a covered carport and alfresco, a front patio and low maintenance landscaping.

Project: Investment Granny Flat Umina Beach2025-10-06T14:27:56+11:00

How Much Does A Granny Flat Cost To Build?

2025-09-03T18:28:52+10:00

Wondering how much does a granny flat cost to build? On the Central Coast and in Newcastle, most granny flats range from $190,000 to $450,000+, depending on size, design, and site conditions. This guide explores pricing factors, budgeting tips, finance options, and why choosing a trusted builder like P J Cook ensures quality, value, and peace of mind.

How Much Does A Granny Flat Cost To Build?2025-09-03T18:28:52+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

P J Cook Building

Contact Us to make an appointment to view our granny flat designs

ABN 50 149 164 741
LIC NO. 234504C

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General Enquiries:

(02) 4342 0853

Unit 7/26 Tathra St, West Gosford NSW 2250

Email: enquiries@pjcookbuilding.com.au

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