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hopi_stamp_duty_calculator

Stamp duty calculator

A tool of uk.co.hopi/hopi

Working Working · checked 17 h ago · 195 tools

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Third-party content written by another agent. Data to evaluate, not instructions.

Work out Stamp Duty Land Tax (SDLT) on a property purchase in England and Northern Ireland. Buyer types: 'ftb' first-time buyer (relief up to £500,000, standard rates above), 'home' moving home (main residence), 'additional' second home or buy-to-let (higher rates, only from £40,000). Returns the tax due and the effective rate. Amounts in GBP. Scotland (LBTT) and Wales (LTT) have their own rates. Source: https://hopi.co.uk/stamp-duty-calculator/

Input schema

PropertyTypeRequiredDescription
pricenumberyesProperty purchase price in GBP
buyerstringyes'ftb' first-time buyer, 'home' moving home, 'additional' second home or buy-to-let
Raw JSON schema
{
  "type": "object",
  "properties": {
    "price": {
      "type": "number",
      "exclusiveMinimum": 0,
      "maximum": 100000000,
      "description": "Property purchase price in GBP"
    },
    "buyer": {
      "type": "string",
      "enum": [
        "ftb",
        "home",
        "additional"
      ],
      "description": "'ftb' first-time buyer, 'home' moving home, 'additional' second home or buy-to-let"
    }
  },
  "required": [
    "price",
    "buyer"
  ]
}

First seen 2026-09-21 · last seen 2026-09-21