Service — Granny Flats
Granny flats designed, consented & built to council standard.
A granny flat (minor dwelling unit) is a self-contained secondary dwelling on your property — perfect for extended family, rental income, or a home office. DBR Construction handles the entire process: design, council consenting, site preparation, construction, plumbing, electrical and finishing. One team, one quote, one timeline.
Self-contained secondary dwellings — fully managed
A granny flat (minor dwelling unit) is a self-contained secondary dwelling on your property — perfect for extended family, rental income, or a home office. DBR Construction handles the entire process: design, council consenting, site preparation, construction, plumbing, electrical and finishing. One team, one quote, one timeline.
How much does a granny flat cost in Auckland?
Granny flat costs in Auckland typically range from $80,000 for a basic 30m² unit to $200,000+ for a premium 60m²+ build with high-end finishes. Cost factors include size, site access, connection requirements, and material choices. DBR Construction provides a fixed-price quote after a site visit.
Do I need resource consent for a granny flat?
Under Auckland Unitary Plan rules, a minor dwelling unit (up to 65m²) may be permitted as of right on sites zoned Single House Zone or Mixed Housing Suburban Zone, subject to site coverage and setback rules. If your granny flat exceeds these thresholds or your site has restrictions, resource consent may be required. We assess this during your free consultation and handle all consent applications.
How long does it take to build a granny flat?
From consent approval to handover, a granny flat typically takes 8–14 weeks to build. The consenting process can take 4–8 weeks depending on council workload. We provide a detailed timeline before starting.
What's included in your granny flat build
Design & drafting
Custom floor plans tailored to your section and needs.
Council consenting
Full building consent applications managed for you.
Foundation & framing
Site preparation, foundations, and timber or steel framing.
Plumbing & drainage
Bathroom, kitchen, laundry and waste water connections.
Electrical
Full electrical fit-out including switchboard, lighting and power.
Interior & exterior finishing
Cladding, insulation, gib stopping, painting and decking.
FAQ
Granny flats — frequently asked questions
How much does a granny flat cost in Auckland?
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A granny flat in Auckland typically costs between $80,000 and $200,000+, depending on size, site access and finishes. DBR Construction offers free fixed-price quotes after a site visit.
Do I need building consent for a granny flat?
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Yes, all granny flats require building consent. Some may also need resource consent depending on zone and site coverage. We handle all consent applications for you.
How big can a granny flat be in Auckland?
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Under the Auckland Unitary Plan, a minor dwelling unit can be up to 65m² in most residential zones. Larger units may require resource consent.
How long does it take to build a granny flat?
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Construction takes 8–14 weeks after consent approval. The consenting process adds 4–8 weeks. We provide a detailed timeline upfront.
Can I rent out a granny flat?
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In most cases, yes — a granny flat can be rented out as a minor dwelling unit. We recommend checking Auckland Council's specific rules for your zone.
Can you build a granny flat on a sloped section?
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Yes, we have experience building on sloped and difficult sites. We'll assess site access and foundation requirements during your free consultation.
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