NT Stamp Duty Calculator
Calculate stamp duty in the Northern Territory using the unique quadratic formula. No foreign surcharge. $50,000 HomeGrown Territory grant available.
NT Quick Facts
Official Term
Stamp duty
Payment Timing
At settlement
FHB Threshold
No FHB duty concession
Foreign Surcharge
None
Key Rule
Quadratic formula for duty calculation
Current NT Stamp duty Rates
The Northern Territory is unique in using a quadratic formula for properties up to $525,000: D = (0.06571441 × V²) + (15 × V) where V is the value in thousands. Above $525,000, flat rates apply: 4.95% (up to $3M), 5.75% ($3M–$5M), and 5.95% (above $5M).
NT Formula
For properties up to $525,000:
D = (0.06571441 × V²) + (15 × V)
Where V = property value in thousands, D = duty in dollars
Flat rates above $525,000:
Source: https://treasury.nt.gov.au/dtf/territory-revenue-office/stamp-duty. Effective from 2024-01-01.
First Home Buyer Rules in Northern Territory
The NT does not offer any FHB stamp duty concession. However, the HomeGrown Territory grant provides $50,000 for eligible first home buyers purchasing or building a new home. There is no value cap on the grant. The HLPE (Home Land Purchase Exemption) provides full duty exemption for new house and land packages for all buyers, not just FHBs.
Homes — Full Exemption
N/A
First Home Owner Grant
$50,000
New homes only
Foreign Buyer Surcharge in Northern Territory
The Northern Territory does not impose any foreign buyer stamp duty surcharge — it is the only Australian jurisdiction with no such surcharge. The NT also has no land tax.
NT does not impose a stamp duty surcharge on foreign buyers.
Special Rules for Northern Territory
NT uses a quadratic formula for duty calculation on properties up to $525,000.
No foreign buyer surcharge — unique among Australian states.
No land tax — unique among all Australian jurisdictions.
HLPE: full duty exemption for new house and land packages (all buyers).
$50,000 HomeGrown Territory grant for first home buyers of new homes.
NT Stamp Duty FAQ
How is stamp duty calculated in the NT?
The NT uses a unique quadratic formula: D = (0.06571441 × V²) + (15 × V) where V is the property value in thousands. For properties above $525,000, flat percentage rates apply instead (4.95%, 5.75%, or 5.95%).
Is there a foreign buyer surcharge in the NT?
No. The Northern Territory is the only Australian jurisdiction that does not impose any foreign buyer stamp duty surcharge.
Do first home buyers get a stamp duty concession in the NT?
No, there is no FHB stamp duty concession in the NT. However, the $50,000 HomeGrown Territory grant is available for first home buyers purchasing or building a new home.
What is the NT HomeGrown Territory grant?
The HomeGrown Territory grant provides $50,000 to eligible first home buyers who purchase or build a new home in the NT. There is no value cap on the grant.
What is the NT HLPE?
The Home Land Purchase Exemption (HLPE) provides a full stamp duty exemption for new house and land packages in the NT. Unlike FHB concessions, this is available to all buyers, not just first home buyers.