Build with us

Why should you build with Coastal Granny Flats?

In addition to being a family run business that has been building on the Central Coast for over 35 years, we offer the following with every Granny Flat built;

  • Fixed price building contract on receipt of engineers soil test,
  • Structural design, Basix/Nathers report
  • Reports and approvals
  • Preparation of plans and management of building approval
  • Colour and design consultation to allow full customisation of your Granny Flat
  • Construction exceeding the National Building Code and Australian Standards
  • Builders internal and external clean on completion
  • 6 Year structural warranty and 3 month maintenance plan



  • Engineered concrete slab on ground for class “S” or “M” soil.
  • Termite resistant H2 treated pine timber framed walls 2.4m high
  • Smartfilm physical termite barrier with 25 year warranty, including the first annual pest inspection
  • Selection Hardieplank F/C Cladding installed over wall wrap
  • Selection from James Hardie Primline or Weathertex Cladding installed over all wrap
  • Selection from Austral or PGH Brickwork
  • Genuine Bluescope Colorbond fascia and gutter
  • Aluminium framed windows with keyed locks for added security
  • Flyscreens to windows and sliding doors
  • Hume Front door with Lane door handle



  • Premium lowsheen 3 coat paint system to walls 1 colour semi gloss enamel to woodwork
  • Finger joined pine woodwork
  • Door jambs
  • 67mm skirting and 42mm architrave
  • Hume flush doors with door stops
  • Selection from lane door handles
  • Linen press fitted with 4 shelves
  • Built in robes with single shelf and mirror sliding doors
  • Professional clean on completion


  • Wall and floor cupboards with sheen board doors and panels.
  • Laminate benchtops
  • 1 Set of 4 drawers including cutlery tray
  • European appliances with 5 year warranty
  • 1 1/3 bowl stainless steel sink with mixer tap
  • Tiled splashback


  • Tiled floor/wall areas and floor waste
  • Aluminium framed glass shower screen
  • Wall hung vanity with moulded top
  • Polished edge mirror, full length of vanity
  • Full china close coupled with enclosed “S” trap
  • 45L stainless steel tub with metal cabinet
  • Mixer tapware
  • Washing machine tapware located under laundry tub
  • Full metal accessories including towel rail and toilet roll holder
  • Instantaneous gas hot water system


  • LED oyster light fittings, 1 per room
  • External light point to personal access doors
  • Double power points, two to bedrooms, kitchen and living rooms, one to bathroom and one to laundry
  • One weatherproof double power point
  • Separate circuit for refrigerator
  • Wire and install kitchen appliances
  • IXL triumph heater/fan/light to bathroom
  • Pre-wire only free to air TV outlet
  • Pre-wire only for National Broadband Network
  • Smoke detectors


  • Connection of sewer- Standard allowance to connect to other sewer point within the boundary
  • Connection of power- Standard allowance to place new meter into existing meter box and connection new submain and supply power to granny flat
  • Connection of stormwater Allowance to connect to existing stormwater system.
  • Connection of water supply
    **Breaking and/or restoration of hard surfaces excluded


  • Carpet from builders selected range to bedrooms
    Selection of tiles and vinyl to living and kitchen areas
  • Raked ceilings to and or bedrooms areas
  • Laminate Flooring
  • Vinyl flooring
  • Baumatic dishwasher
  • Microwave cabinet to kitchen
  • Microwave pantry to kitchen
  • Broom cupboard to kitchen
  • Stone Benchtops
  • Laundry cabinetry unit to laundry
  • Vanity cabinetry unit to bathroom
  • Floor to ceiling tiling in bathroom
  • Shelving bank built into wardrobes
  • Fanlights to bedrooms
  • Downlights throughout
  • Additional TV points
  • Additional power points
  • Additional phone and data points
  • Split system Actron air conditioner
  • Clothesline
  • Blinds
  • Alfresco area
  • Flyover roof to alfresco area
  • Letter box
  • Natural gas in place of LPG