Households' council tax on second homes and other property (engine and data)

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Evaluación

Dificultad
5/5
Tiempo estimado
Más de una semana
Aptitud para principiantes
35/100
Tipo de issue
Nueva funcionalidad
Claridad
Bastante claro
Estado de actividad
Activo
Stack tecnológico
python
Área
data

Línea de trabajo

Start by reading the draft PR #1422, ruling D14f, and issue #1240 to understand the existing council tax binding and surcharge coverage. The proposed work spans the PolicyEngine/policyengine-uk engine and Microcosm’s household data, using WAS and the England, Wales, and Scotland dwelling counts named here. Done means other-dwelling council tax is represented in household taxes and obr.council_tax can be bound in full while empty homes held by no household remain outside the binding.

Escrito por el modelo de indexación a partir del texto del issue.

Descripción

Context. OBR's council tax receipts cover every chargeable dwelling, including second homes and empty homes. Microcosm's frame carries one council tax bill per household: the bill on its main residence. So draft PR #1422 (#1095, ruling D14f) binds obr.council_tax at the main-residence share only. That share uses MHCLG's October 2025 taxbase for England: chargeable dwellings less second homes and empty homes, about 0.968. Scotland and Wales take England's share, as a stated approximation.

What is missing.

  • Engine (PolicyEngine/policyengine-uk): council_tax is the bill on the household's main residence. A household that also owns a second home pays council tax on it, and councils may charge premiums on second homes and long-term empty homes. The engine has no input or formula for it.
  • Data (Microcosm): the frame carries the value of other residential property (WAS), but no count or band of other dwellings, and no flag for one that is a second home rather than let.
  • High Value Council Tax Surcharge: Microcosm measures the surcharge on main residences only (#1240). Coverage beyond main residences also waits on this.

Proposed scope.

  1. Engine: an input for council tax on other dwellings (or a count and band of them), added to household taxes.
  2. Data: draw it for households with other residential property that is not let, from the WAS and the second-home counts in Chronicle: MHCLG's England taxbase, StatsWales's chargeable second homes, and the Scottish Government's vacant private dwellings and second homes (one combined count).
  3. Then bind obr.council_tax in full and retire the main-residence share.

Not in scope. Empty homes that no household holds stay outside a household file. Their share of the receipts stays out of the binding, as now.

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Lenguaje dominante
Python
Estrellas
0
Forks
6
Merge medio
2 d 8 h
PR fusionados (30 d)
137

Preparar el entorno

Primeros pasos

  1. Lee el issue completo y luego la guía de contribución del proyecto.
  2. Comenta en el issue que vas a ocuparte — evita que dos personas hagan lo mismo.
  3. Haz un fork del repositorio y trabaja en una rama.
  4. Abre un pull request que haga referencia al número del issue.

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