Interactive Stamp Duty Tools
Free tools to help you assess, plan, and optimise your stamp duty. From quick eligibility checks to detailed financial comparisons.
14
Free Tools
3
Categories
No
Registration Required
Instant
Results
Annexe, land or an old home not sold yet?
These are the purchases where a standard calculator can get your stamp duty wrong. Get it checked before you exchange.
Comparison Tools
Rent vs Buy with Stamp Duty
Year-by-year cost comparison factoring stamp duty into the total cost of buying versus renting.
- Compound growth over 1-30 years
- Factors SDLT, mortgage, maintenance
- Side-by-side annual breakdown
Company vs Personal SDLT
Compare stamp duty for company purchases versus personal ownership including the 17% flat rate.
- 17% flat rate above £500k
- Company vs standard vs additional
- Critical price threshold analysis
England vs Scotland vs Wales
Compare SDLT, LBTT, and LTT side by side across all three UK stamp duty regions.
- Three-region comparison
- Cheapest region highlighted
- Different FTB and surcharge rules
Planning Tools
Stamp Duty Savings Planner
Calculate how long it will take to save for stamp duty alongside your deposit and legal fees.
- Month-by-month savings roadmap
- SDLT + deposit + fees combined
- Interest on savings included
Price Band Optimizer
Find stamp duty sweet spots near band thresholds and see exactly where marginal costs jump.
- Visualise SDLT band boundaries
- Identify negotiation targets
- FTB vs standard thresholds
Affordability with Stamp Duty
See your true buying power after stamp duty erodes your deposit and affects mortgage affordability.
- Income-based max borrowing
- SDLT impact on deposit
- Adjusted property budget
Assessment Tools
Buyer Type Identifier
Answer simple questions to discover which SDLT category applies to you and which rates you will pay.
- FTB, standard, or additional?
- Handles joint purchases
- Links to the right calculator
Relief Eligibility Checker
Check which SDLT reliefs and exemptions you may qualify for based on your circumstances.
- Covers 9 relief types
- Estimated savings shown
- Links to detailed guides
Surcharge Risk Checker
Find out whether you will face the 5% additional dwelling surcharge based on your property situation.
- Married couple rules
- Inherited property test
- Refund route assessment
Property Type Classifier
Determine whether your property is residential, commercial, or mixed-use for stamp duty purposes.
- Residential vs commercial test
- Mixed-use savings potential
- HMRC challenge areas flagged