Tumbi Umbi Granny Flat
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Two Bedroom Granny Flat Investment Project: Tumbi Umbi on the NSW Central Coast

Discover the charm of our custom two-bedroom granny flat design, featuring an open-plan kitchen and living space, along with private bedrooms and bathroom areas—perfect for investors and families alike. Our latest project in Tumbi Umbi, within the Central Coast Council, showcases the flexibility of this design. The inclusion of a single garage further enhances its appeal. This design offers both functionality and style, making it an excellent choice for various needs.

It is also possible to build Granny Flats without any council approval – even more reason to consider a granny flat in your backyard for a family member or investment!

 

Central Coast Granny Flats
Central Coast Granny Flat
Tumbi Umbi Granny Flat
Central Coast two Bedroom Granny Flat
2 Bedroom Granny Flat Central Coast
Two Bedroom Granny Flat Central Coast
Central Coast 2 Bedroom Granny Flat
2 Bedroom Granny Flat Central Coast NSW

Project Details

The interior layout of this two-bedroom granny flat is a customised version of our standard floor plan, The Empire Bay. This bespoke design includes an open-plan kitchen and living area, private bedrooms, office spaces, a bathroom, a separate laundry, and a single garage—perfect for both investors and families.

The project was constructed to meet bushfire standard BAL 29, the highest BAL category permitted for granny flats.

This Granny Flat features:

  • L shape kitchen design with stone bench tops
  • Quality kitchen appliances – standard 5-year warranty
  • Light green subway tiles to kitchen splashback in a brick bond pattern
  • Quality tapware and bathroom fixtures supplied by Reece Plumbing
  • Feature Mizu Drift twin shower rail
  • Velux skylight to bathroom adding natural light
  • Custom vanity [standard PJC inclusion] by kitchen contractor with stone tops to match the kitchen
  • 4.5mm Luxury vinyl plank floors to main areas – colour Denver
  • Designer-grade carpet in bedrooms and wardrobes
  • 3.5KW split system air conditioner
  • Modern Downlights throughout, ceiling fans with LED lights in bedroom and office
  • Mirrored wardrobe doors with draws, vertical shelving, top shelf, and clothes rail
  • James Hardi Fine Texture Cladding with Axon trims
  • Covered front patio area
  • Single-car garage with Colorbond roller door
  • Floor-to-ceiling tiling to bathroom and laundry with square set ceilings
  • Polytec classic white matt kitchen with minimalist shark nose handles and finger pull overhead cabinet [handless].
  • Internal wall colour Haymes Droplet
  • Gas cooktop and electric, solar hot water system with tank mounted on roof
  • Hume XN5 entry door, matching aluminium door frame with feature colour Haymes Navajo White
  • Bradnams essential range Double Glaze windows
  • Feature Dutch gables to front elevation in James Hardi Axon Smooth cladding to match the exterior of the existing house
  • Aluminium mesh security door to entry door to meet compliance for BAL 29 [bushfire rating]
If you’re considering a granny flat on the Central Coast, a new home, duplex, or dual occupancy development, P J Cook Building is your go-to choice. Our commitment to quality is unmatched, with rigorous standards ensuring every project meets the highest expectations. We provide a superior set of standard inclusions that exceed the typical offerings of our competitors. At P J Cook Building, our focus is on quality, not quantity. Contact us today for a quote!
P J Cook Empire Bay Granny Flat floorplan in Tumbi Umbi project

Our standard Empire Bay floor plan was modified for this Tumbi Umbi Granny Flat project.

Below is our Standard Empire Bay design:

Empire Bay Granny Flat Floor Plan

Clients 5 Star Google Review

5 star review

We had a Granny Flat built py P J Cook Building. We found the whole process transparent. Peter and his team were always available to answer any questions along the way. The building was completed on schedule without and problems. The build quality is excellent with no defects identified. Even our Real Estate agents were impressed with the quality. We can recommend PJ Cook to anyone who is after a quality built dwelling.

Chandan, A

Why Partnering with P J Cook Building is the Best Choice for Your Project.

When you build with P J Cook Building you can expect unrivalled quality, attention to detail and a seamless building journey into the next exciting chapter of your life. Our systematic procedures and meticulous attention to detail sets us apart from the rest.

At P J Cook, we never trade quality for money or rush projects to meet deadlines. 

We can build just as quick as any other builder, but at end of day that’s not what is important to us or you as a paying customer. Executing good building practices with due care and skill takes time and should not be underestimated or compromised to meet deadlines. 

We operate limited site starts each month so that every project can be given our complete attention. Our projects go beyond excellence in quality and industry standards. We are committed to quality workmanship that very few builders can match. With these values at the forefront, your granny flat, new home or investment property will stand out from the rest and provide you with the best possible return on investment.

Contemplating who to build with, we will make the decision easy for you. Come and inspect one of our completed projects and speak to recent clients who have built with us. Once you have done this, we know you will feel confident to partner with P J Cook Building in this journey.

Get a quote today!

Testimonials

  • Karenne Jurd 

    We have recently completed a lovely build with PJCook and we couldn’t be happier – Peter and his whole team are a pleasure to work with. They consistently had an eye to the detail, levering off their successful experience, to improve the delivery for our construction – whether it was site management, finish details, materials pallets, or subcontractor management. Any issues that arose were addressed in a timely, respectful way. We now have two lovely homes (a 2 bedroom and a 3 bedroom), after subdividing a residential block, occupied by happy families. What could be better!

  • Roger Boyd 

    PJ Cook Pty Ltd built our Granny Flat and we cannot recommend Peter and the team highly enough. Open and honest communication, an amazingly high quality finish, on time and on budget! A truly simple process and a great investment for the future. We are very happy! Thank you Peter.

  • Chandan Arun 

    We had a Granny Flat built py P J Cook Building. We found the whole process transparent. Peter and his team were always available to answer any questions along the way. The building was completed on schedule without and problems . The build quality is excellent with no defects identified. Even our Real Estate agents were impressed with the quality. We can recommend PJ Cook to anyone who is after a quality built dwelling.

  • Chiara B

    PJC built out granny flat in Charmhaven. From the beginning Peter and his team were helpful, quick to respond and very professional. We are so happy with the end product and the whole experience. Highly recommend!

  • George Chinn

    Absolute professionals, PJ Cook, is so easy to deal with, wonderful team lead by Peter. No hassle building, we have a beautiful 2 bedroom granny flat, above our expectation, the finish is spotless, and all communication was quickly answered. We made a great decision going with P J Cook.

  • Julie Oldham 

    Peter Cook Building company have given me a beautiful place to call home. Throughout the whole experience, Peter and his contractors showed their dedication to give me a beautiful final product. I found Peter to be a man of integrity, always communicating with me to check in with regular updates throughout the build. I highly recommend Peter Cook, if you are thinking about building a granny flat. He will help you to have your dream home. Many thanks Peter.

  • Elize Smit

    We are very happy with our 2 bedroom backyard granny flat from PJ Cook. The built started just when Covid restrictions happened so we were a bit apprehensive but there was no delay. What a professional team – from the planning phase to the finished product. This was a bit of a tricky built because we have a battle axe property but it didn’t seem to be a problem for Peter and his team. The granny flat solved our problem of a growing family and also is a really good investment down the track.

  • Robert Cogswell

    P. J. Cook Building. Built a 2 bed Granny Flat in our backyard at Chain Valley Bay. The project finished on time and without any additional expenses This was extraordinary considering the pandemic. My Wife and I are extremely happy with the finished product. The builders eye for detail is second to none. I wouldn’t hesitate to use this company again. This is one of the best investments we have made. To sum up the experience. Trust, Perfection, Value and Reliability.

  • Julie Bramall

    Thank you to the Team at PJ Cook Building for the build of our Granny Flat on our investment property. Peter was quick to respond to any questions that we had. Once the project got started, it was very quick to completion, especially over the Covid19 period. There were a few hurdles along the way, which had nothing to do with PJ Cook but Peter made this much easier to deal with and we are very appreciative to him.
    The finish product of our Granny Flat is impeccable. Peter’s eye for detail is impressive, which has resulted in the most beautiful Granny Flat (inside and out) that I have ever seen. We were able to secure a tenant only 2 days after advertising and for a very impressive return.
    Thanks to all the Team at PJ Cook Building and especially Peter. We would not use any other builder if and when we decide to build another.

  • Jo Minter

    I am so very happy with my Granny Flat built by PJ Cook in Woodberry. The whole team onsite were courteous and professional at all times. The quality of my build is impressive. It took me over a year of looking at other builders before settling with PJ Cook. The only disappointment is that the slide out range hood was unobtainable, so I settled for a fixed one. I am sure I can live with that. Absolutely no hesitation to recommend them to anyone looking at building a granny flat. Handover is tomorrow. I am one very excited and happy customer. Jo

  • Mark Brogan

    “Peter and team are first class”.

    From the initial quote, communications, build to completion – it was perfect! From the initial quote the team were on time, respectful and even set out the build with pegs for a visual! The build started and was well underway seemingly in an instant.

    The quality was exceptional with a true value for money. Peter and the team put in the effort and focus on the detail. The team went above and beyond with the authorities for approvals and complexities with service connections!

    We could not be happier with the outcome and credit to the team. With our first baby on the way, the wife and I couldn’t be happier with our stress free build. We will be recommending PJ Cook to our friends and if the future allows, going again with the team!

  • Tanya Watson

    We employed PJ Cook in 2016 to put in a 2 bed granny flat for us.

    Peter was extremely professional from the start. Great communication all the way and has certainly been the best thing we ever did to generate a great investment income!

    I named our granny flat “Happy Cottage Woy Woy” as it is holiday accommodation and it makes people feel happy.

    I would highly recommend PJ Cook builders

  • Sturt Family

    We presented Peter and his team with a small and challenging backyard to construct a custom-made granny flat. Today we have a first-class construction with quality apparent throughout. We recommend you contact P J Cook Building to discuss your needs.

Contact the friendly P J Cook team today!