We build Granny Flats and Home Extensions in Central Coast NSW

Are you looking for a reliable builder on the NSW Central Coast? One who takes care of everything from creating the perfect design, to getting it approved by Central Coast Council via DA or CDC, right through to delivering an on-time build?

Cubitt's have been building on the Central Coast for nearly 30 years. We handle everything from concepting, planning and design through to construction and certification.

There's no charge for your initial site visit where our Design Consultant will help you realise the possibilities for your Home Extension or Granny Flat.


Download Our Granny Flat Design Collection Brochure

NEW DESIGNS LAUNCHED OCTOBER! View the 10 NEW Energy Efficient NSW Designs, each with 4 or 5 façade options. Download the ACT Designs, each meeting the Liveable and Adaptable Housing Standard requirements

Here's a few of our

Completed Projects Central Coast

Our teams are experts in dealing with the building requirements for Central Coast Council and have built dozens of projects across the Central Coast. Our complete upfront feasiblity study will help you understand the local council requirements and particular to the Central Coast might include: acid sulphate soils, flood or bushfire prone areas and the requirement to use a Development Application to assure Central Coast Council local building regulations will be met. Let the local experts bring your dream home to life on the Central Coast.

Cubitt's build all over the Central Coast including:

  • Alison
  • Avoca Beach
  • Bar Point
  • Bateau Bay
  • Bensville
  • Berkeley Vale
  • Blackwall
  • Blue Bay
  • Blue Haven
  • Booker Bay
  • Bouddi
  • Budgewoi
  • Budgewoi Peninsula
  • Buff Point
  • Bushells Ridge
  • Calga
  • Canton Beach
  • Central Mangrove
  • Chain Valley Bay
  • Charmhaven
  • Cheero Point
  • Chittaway Bay
  • Chittaway Point
  • Cogra Bay
  • Colongra
  • Copacabana
  • Crangan Bay
  • Daleys Point
  • Davistown
  • Dooralong
  • Doyalson
  • Doyalson North
  • Durren Durren
  • East Gosford
  • Empire Bay
  • Erina
  • Erina Heights
  • Ettalong Beach
  • Forresters Beach
  • Fountaindale
  • Glenning Valley
  • Glenworth Valley
  • Gorokan
  • Gosford
  • Green Point
  • Greengrove
  • Gunderman
  • Gwandalan
  • Halekulani
  • Halloran
  • Hamlyn Terrace
  • Hardys Bay
  • Holgate
  • Horsfield Bay
  • Jilliby
  • Kangy Angy
  • Kanwal
  • Kariong
  • Kiar
  • Killarney Vale
  • Killcare
  • Killcare Heights
  • Kincumber
  • Kincumber South
  • Kingfisher Shores
  • Koolewong
  • Kulnura
  • Lake Haven
  • Lake Munmorah
  • Lemon Tree
  • Lisarow
  • Little Jilliby
  • Little Wobby
  • Long Jetty
  • Lower Mangrove
  • MacMasters Beach
  • Magenta
  • Mangrove Creek
  • Mangrove Mountain
  • Mannering Park
  • Mardi
  • Marlow
  • Matcham
  • Mooney Mooney
  • Mooney Creek
  • Mount Elliot
  • Mount White
  • Narara
  • Niagara Park
  • Norah Head
  • Noraville
  • North Avoca
  • North Gosford
  • Ourimbah
  • Palm Grove
  • Palmdale
  • Patonga
  • Pearl Beach
  • Peats Ridge
  • Phegans Bay
  • Picketts Valley
  • Point Clare
  • Point Frederick
  • Pretty Beach
  • Ravensdale
  • Rocky Point
  • St Huberts Island
  • San Remo
  • Saratoga
  • Shelly Beach
  • Somersby
  • Spencer
  • Springfield
  • Summerland Point
  • Tacoma
  • Tacoma South
  • Tascott
  • Terrigal
  • The Entrance
  • The Entrance North
  • Toowoon Bay
  • Toukley
  • Tuggerah
  • Tuggerawong
  • Tumbi Umbi
  • Umina Beach
  • Upper Mangrove
  • Wadalba
  • Wagstaffe
  • Wallarah
  • Wamberal
  • Warnervale
  • Watanobbi
  • Wendoree Park
  • West Gosford
  • Wondabyne
  • Woongarrah
  • Woy Woy
  • Woy Woy Bay
  • Wyoming
  • Wyong
  • Wyong Creek
  • Wyongah
  • Yarramalong
  • Yattalunga
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How to get started building on the Central Coast

There's no cost for an initial site assessment. Our local Central Coast builder team are ready to understand your specific needs and map out which Granny Flat designs could be possible on your land. When you’re planning to build, you want assurance that your site is suitable, and that you are not going to be impacted mid-build by unforeseen or surprise costs. At Cubitt’s we provide a thorough, free, upfront feasibility study for your Granny Flat which gives you an assured green light to build, not an estimate.


Extend Your Existing Home on the Central Coast

Whether it's to increase the value of your home, to finally reach that gorgeous view, to accomodate your growing family or modernise and match the beachy vibe of the Central Coast, there is a local obsession with improving homes.

Central Coast home owners look to Cubitt's for site assessment, design and build of their home extension. You can be assured that we will turn up for our free initial visit, work with your ideas for your home extension and our in house team of drafts people and council planners will design your new extension for less than half the cost of an architect.

Plus, because in house planners are working day to day with our ownteam of local Central Coast tradies, we know exatcly what is allowble and possible for Home Extesions on the Central Coast - no need to go back to the drawing board after loving a concept design - we can build what we produce in your Design Pack.


Why Build a Granny Flat on the Central Coast?

Building a Granny Flat on your property is one of the best investments you can make, especially if you live on the NSW Central Coast. It is no secret that the Central Coast has high rental demand and a strong sellers market. It’s no wonder that many Central Coast home owners are turning towards Granny Flats as a savvy investment to make a better return on their properties. If you have idle backyard space, why not transform it into a practical, valuable home you could lease to pay off your mortgage faster?

The Full-Service Builders Central Coast Locals Trust

At Cubitt’s, we’ve been providing te Central Coast with exceptional Granny Flats and Home Extensions for three decades and two generations. With trusted local builders, talented design consultants and an experienced customer service team, we deliver a smooth end-to-end build service rivalled nowhere else. Take the stress out of building your dream Granny Flat or Home Extension with our expert team local to the Central Coast.  From design and feasibility studies to simple construction and approvals through Central Coast council, we’ve got you covered. Plus, with 100% transparent upfront quotes and no hidden fees, you’ll get your ideal Central Coast build delivered on time and on budget, all without the hassle of chasing after contractors or deal with the council. Leave it to us and sit back and enjoy your brand new build.


Trusted in-house designers and builders


All DA and council approvals


28+ years of experience


Full-service home extensions


Dedicated design consultants


Proudly Australian, owned and operated

Free On-Site Assessment at Your Property

Interested in finding out how to make a positive investment from a Cubitt's Granny Flat or Home Extension? Get in touch for a no-obligation site inspection today.

We require your name, email and phone number to get back to you - and the more you can tell us about your build project, the more effectively our local teams can help.