comptoir

Tax calculators

The number, and the working behind it.

A family of deterministic tax calculators. Each runs on its own domain — pick one, or call the JSON API.

Calculators live 12
Signup to use them none
API one JSON call

UK property tax

Scottish LBTT calculator
Land and Buildings Transaction Tax on a Scottish residential purchase — including first-time buyer relief and the 8% Additional Dwelling Supplement.
lbtt.intrane.fr →
Scottish commercial LBTT calculator
LBTT on a non-residential (commercial) Scottish property purchase — freehold or lease premium.
lbtt-commercial.intrane.fr →
Welsh LTT calculator
Land Transaction Tax on a Welsh residential purchase — main and higher (additional-property) rates. Wales has no first-time buyer relief.
ltt.intrane.fr →
Welsh commercial LTT calculator
Land Transaction Tax on a non-residential (commercial) Welsh property purchase, freehold or leasehold.
ltt-commercial.intrane.fr →
UK Stamp Duty (SDLT) calculator — England & Northern Ireland
Stamp Duty Land Tax on a residential purchase in England or Northern Ireland, including first-time buyer relief, the 5% additional-property surcharge and the 2% non-resident surcharge — plus the fees that actually land on completion.
sdlt.intrane.fr →
Commercial SDLT calculator
Stamp Duty Land Tax on a non-residential or mixed-use freehold purchase in England or Northern Ireland. Also applies to six or more dwellings bought in one transaction.
sdlt-commercial.intrane.fr →

UK pay & employment

True cost of a hire (employer NI + pension)
What an employee actually costs: gross salary plus employer National Insurance at 15% above £5,000, plus the minimum 3% auto-enrolment pension on qualifying earnings.
employer-ni.intrane.fr →
UK take-home pay calculator (England, Wales & NI)
Income tax and employee National Insurance on an annual salary, and what actually lands in the bank.
take-home.intrane.fr →
Scottish take-home pay calculator
Scottish income tax and employee National Insurance on an annual salary — six bands, and the 50% marginal trap where the Scottish higher-rate threshold sits below the NI upper limit.
take-home-scotland.intrane.fr →

UK investment tax

UK CGT on residential property
Capital Gains Tax on a residential property disposal after the £3,000 annual exempt amount, at 18% or 24%.
cgt-property.intrane.fr →
UK dividend tax calculator
Tax on dividend income after the £500 allowance, at the 2026/27 rates that rose in April 2026.
dividend-tax.intrane.fr →

Immobilier · France

Frais de notaire — le vrai coût d'un achat immobilier en France
Ce que vous payez en plus du prix affiché : droits de mutation (taux 2026 par régime), émoluments du notaire au barème dégressif, contribution de sécurité immobilière, débours — plus l'apport et la mensualité. Le budget réel à prévoir le jour de la signature.
notaire.intrane.fr →
Every calculator is one JSON call away:
curl https://comptoir.intrane.fr/p/sdlt/calc?price=500000
Agent manual: /llms.txt · service guide: /guide · built with MFL · part of intrane