Portable Building Specialists logo
Dark Standard Cabin image 1
Dark Standard Cabin image 2
Dark Standard Cabin image 3
Dark Standard Cabin image 4

Dark Standard Cabin18

AVAILABLE IN CHRISTCHURCH

Introducing the Dark Standard 6 × 3 m Cabin in dark graphite — a modern, versatile space designed to suit a wide range of uses. With its sleek exterior, spacious ranch slider and high double-glazed windows, it offers excellent natural light, privacy and a clean contemporary finish. Customisable to suit your needs, it is ideal for an office, studio, guest room, site cabin, storage space or additional accommodation.

Explore the optional fit-out packages below and select any upgrades you'd like included in your personalised quote.

Starting price$17,500

incl. GST

At a glance

Everything included

Explore the key features, finishes and inclusions that make this Dark Standard Cabin comfortable, practical and ready for everyday living.

  • High-set double-glazed windows

    Four high-set double-glazed windows provide natural light while maintaining privacy, with an additional smaller window for the bathroom.

  • Premium ranch slider

    A high-quality ranch slider creates a wide, modern entry and helps connect the interior with the outdoors.

  • Optional bathroom and kitchenette

    Add a bathroom and kitchenette package to create a more complete, self-contained space.

  • Year-round insulation

    Insulated interior walls and ceiling help maintain a more comfortable environment in every season.

  • Refined interior finishing

    Decorative ceiling and corner trims, together with floor skirting, create a clean and polished interior finish.

  • Electrical-ready design

    Prepared for electrical installation, with an optional Electrical Certificate of Compliance available.

  • Assembled in New Zealand

    Locally assembled with careful attention to quality, finish and workmanship.

  • Fast turnaround

    Typical lead time is approximately 5–10 business days, subject to current workload, product availability and your delivery location.

Disclaimer: Standard inclusions may vary by configuration. Confirm the final specification and any optional upgrades with our team before ordering.

PTH logo

Manufactured by PTH and available exclusively through us, this modular granny flat is supplied nationwide by New Zealand's sole authorised distributor.

SPECIFICATIONS

Dimensions by configuration

Indicative measurements for each cabin package. Our team will confirm final dimensions, access requirements and site clearances before manufacture and installation.

Dark Standard Cabin Standard dimensions
DimensionsStandardDeck & Roof Package
Length6000mm6000mm
Width3025mm3025mm
Height2591mm2991mm

Disclaimer: Dimensions shown are nominal and provided as a general guide only. Actual dimensions, layout, finishes and features may vary depending on the selected configuration and normal manufacturing tolerances. Please confirm final specifications, site requirements and installation clearances with our team before ordering or commencing site works.

Media

Explore the cabin

Browse photos, renderings and walkthroughs to see the layout, finishes and key details from every angle. Use the tabs to explore each media category, and select any image for a closer look.

Disclaimer: Images, renders and walkthroughs are provided for illustrative purposes only. Actual colours, finishes, dimensions, layouts, fixtures and product features may vary depending on the selected configuration, manufacturing updates and site-specific requirements. Please confirm the final specifications with our team before ordering.

FIT-OUT & EXTRAS

Customise your cabin

Explore the available fit-out packages and optional upgrades designed to make your cabin more comfortable, functional and suited to your needs.

Add a practical bathroom fit-out to make your Standard Cabin work harder as living, office, or site accommodation.

Package pricing

Starting at $5,000

Included in the starting package:

  • Shower room
  • Vanity
  • Light switch
  • Power point
  • Toilet
  • Light
  • Exhaust fan
  • Window

Final pricing depends on your layout, site services, and the exact fixtures you choose.

Bathroom

Create a covered entry and more usable outdoor space for a wider 6 x 3m cabin footprint.

Package pricing

$6,500

Included in the starting package:

  • Deck
  • Roof

Supplied as a kitset. Installation is not included and can be quoted separately.

Deck + Roof

Prepare the cabin for everyday power use with compliant wiring and external connection.

Package pricing

Starting at $2,100

Included in the starting package:

  • Electrical wiring according to NZ standard
  • Wired with 16 amp RCD board
  • Standard outdoor 3 PIN wall mount plug (caravan plug)
  • Certification of Compliance is provided -- legal requirement

Scope depends on the number and placement of fittings required for your build.

Electrical

Add a compact kitchenette for basic food prep, hand washing, and day-to-day convenience.

Package pricing

Starting at $2,100

Included in the starting package:

  • 3 cabinets
  • Sink
  • Power point GFI
  • Pressure tested pipe work
  • Bench-top
  • Tap pipe

Appliances can be sourced and installed at an additional cost.

Kitchenette

Run hot and cold water to wet areas so your bathroom or kitchenette can be used properly.

Package pricing

Starting at $3,500

Included in the starting package:

  • Hot and cold-water pipes
  • Waste outlet connection
  • Pressure tested pipe work
  • Rinnai LPG gas hot water heater

We will confirm connection requirements once we know your site setup.

Plumbing / Hot Water

Improve year-round comfort by reducing cold transfer through the cabin floor.

Priced once we know your site and fit-out requirements.

Quoted to suit your cabin specification and intended use.

Package image

Image coming soon. Add a package image in Sanity to replace this placeholder.

Add a warmer exterior detail with wood-look PVC cladding on selected walls.

Package pricing

Main wall $900, side wall $600

Useful when the cabin will sit near a home, garden, or customer-facing site.

Wood-like PVC Cladding

Keep the cabin more comfortable through hot summers and cooler winter mornings.

Package pricing

$2,500

Included in the starting package:

  • Unit and installation included
Mini-split Air Condition System

Add extra peace of mind for worksites, storage use, or cabins left unattended.

Package pricing

$450 per window

Security Window Rails

Image

Composting Toilet

Built-in composting toilet add-on for selected portable cabins, ideal for off-grid use and sites without access to sewer connections.

Starting price

$1,599

incl. GST

Image

Trailer

Trailer add-on for selected portable cabins, designed to improve mobility, flexibility, and transportability for a wider range of uses.

Starting price

$9,899

incl. GST

Image

Garage Carpet

Carpet add-on for selected portable cabins, designed to add warmth, comfort, and a softer finish underfoot.

Starting price

$599

incl. GST

Logistics

How cabin delivery works

Nationwide delivery for Dark Standard Cabin 18 m².

We coordinate reliable delivery of your Dark Standard Cabin 18 m² anywhere in New Zealand. Depending on the distance, route and site access, we use our own specialised trailer or trusted transport partners to ensure your cabin is handled with care from collection through to arrival. Contact our team for a tailored delivery quote and estimated timeframe based on your location and site requirements.

Your build

Cabin customisations

Layout, openings, services, and finish — scoped to what we can quote for this model.

Personalise your cabin with a range of layout and fit-out options, including the number and placement of windows, doors, power points and lighting. Add more natural light, improve access, tailor the electrical layout or introduce a partition wall to create a floor plan that works for you. Speak with our team to discuss your ideas, available options and any additional costs or lead times.

Related cabins

Find the right fit for your property

Explore similar cabins and portable buildings from our range, with different layouts, sizes and features to suit your space, lifestyle and budget.

Dark Baseline Cabin image 1
Dark Baseline Cabin image 2
Dark Baseline Cabin image 3
Dark Baseline Cabin image 4
AVAILABLE

Dark Baseline Cabin

14.4

Arrives assembled

6 x 2.4m

Cabin features:

  • 2 double-glazed sliding windows
  • Steel door with lock (920x2035)
  • Insulated walls + ceiling
  • Vinyl flooring

Starting price

$14,500

incl. GST

White Standard Cabin image 1
White Standard Cabin image 2
White Standard Cabin image 3
AVAILABLE

White Standard Cabin

18

Arrives assembled

6 x 3m

Cabin features:

  • 2 double-glazed sliding windows
  • Steel door with lock (920x2035)
  • Insulated walls + ceiling
  • Vinyl flooring

Starting price

$14,900

incl. GST