---
title: "Stamp Duty Calculator"
method: GET
path: "/api/calc/stamp-duty-calculator"
tags: ["Finance"]
---

# Stamp Duty Calculator

`GET /api/calc/stamp-duty-calculator`

## Request

- Base URL: `https://calcbright.com`
- URL: `https://calcbright.com/api/calc/stamp-duty-calculator`
- Auth: none declared

UK stamp duty calculator 2026: SDLT in England & NI, LBTT in Scotland and LTT in Wales – with first-time buyer relief, second-home and non-resident rates.

## Query parameters

- `region` 'GB-ENG' | 'GB-NIR' | 'GB-SCT' | 'GB-WLS': Where is the property?
- `price` number: Purchase price
- `buyer` 'standard' | 'first' | 'additional': Buyer type
- `nonResident` 'no' | 'yes': Non-UK resident buyer?

## Response `200`

Calculation result

- CalcOutput
  - `ok` boolean
  - `tool` string
  - `name` string
  - `url` string: Open this link to see the full calculation
  - `inputs` object
  - `summary` string: Plain-text answer
  - `details` string
  - `result` object
  - `errors` object

## Other responses

- `400`: Invalid input (see errors)

---

[API](https://skmtc.dev/calcbright/apis/calcbright-calculator-api.md) · [All operations](https://skmtc.dev/calcbright/apis/calcbright-calculator-api/llms.txt) · [OpenAPI document](https://skmtc.dev/calcbright/apis/calcbright-calculator-api/revisions/f58229e56e58?raw)