Calculators and guides
Free tools built from HMRC, Welsh Revenue Authority, Revenue Scotland, HM Land Registry and ONS figures. Each one says what it's based on and when it was last checked.
Commercial property and leases
Business rates calculator 2026/27
Estimate the 2026/27 business rates bill from a property’s rateable value.
Rent review calculator: CPI and RPI
Work out an index-linked rent review from the official CPI and RPI figures.
SDLT calculator for a new commercial lease
SDLT on a new commercial lease: the rent’s net present value and any premium.
Commercial property SDLT calculator
SDLT on buying commercial or mixed-use property, at the non-residential rates.
Stamp duty on a home
Stamp duty calculator: England, Wales and Scotland
The tax on buying a home in England, Wales or Scotland, band by band.
Stamp duty calculator for England and Northern Ireland
Stamp Duty Land Tax with first-time buyer relief, higher rates and the non-resident surcharge.
Stamp duty for first-time buyers
First-time buyer relief price by price, and what happens just over £500,000.
Stamp duty on shared ownership
Shared ownership SDLT two ways: on the full market value, or on the share price and the rent.
Stamp duty on a second home or buy-to-let
The 5% higher rates on a second home or buy-to-let, and when you can claim them back.
Stamp duty for non-UK residents
The 2% surcharge for buyers not resident in the UK, at every price.
Stamp duty on mixed-use property
A shop or office with a flat: the non-residential rates on the whole price, against the residential rates.
Land Transaction Tax calculator (Wales)
Land Transaction Tax on a home in Wales, at the main or higher rates.
LBTT calculator (Scotland)
LBTT on a home in Scotland, with first-time buyer relief and the Additional Dwelling Supplement.
Conveyancing forms and quotes
Conveyancing fees calculator
Typical legal fees, VAT and disbursements for buying or selling a home, as estimated ranges.
What a conveyancing quote includes
The legal fee, disbursements, the Land Registry fee and leasehold extras explained.
TR1 form: how to complete a transfer of whole
HM Land Registry's transfer deed, panel by panel, and how it is signed.
AP1 form: applying to change the register
Registering a transfer or charge: the AP1, priority, fees and requisitions.
SDLT return: who files it, when, and how
Who sends the SDLT return, the 14-day deadline, the SDLT5 and penalties.
TA6 form: the seller's property information form
The seller's property information form: what it covers, the 6th edition and honest answers.
TA10 form: fittings and contents
What's included in the sale: the fittings and contents form and the price of extras.
ID1 form: proving your identity to HM Land Registry
Proving identity to HM Land Registry when you don't have a conveyancer: who certifies, and the 3-month rule.
HM Land Registry requisitions: the common causes and how to avoid them
Why HM Land Registry raises requisitions, the deadlines to answer, and how to avoid them.
Probate and powers of attorney
Probate cost calculator
Applying yourself against a solicitor: the £526 court fee and published firm prices, for your estate.
Lasting power of attorney cost
The £92 registration fee against solicitors' published prices, for one, two or four LPAs.
Renting out a home
Calculations and general information, not legal or tax advice. Instrukt is not a law firm.