> For the complete documentation index, see [llms.txt](https://docs.coherent.global/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.coherent.global/build-spark-services/sample-use-cases/homeowners-rater.md).

# Homeowners rater

This is a general insurance (GI) / property and casualty (P\&C) model that calculates the premium for homeowner insurance.

## Sample file

{% file src="/files/-MgJoHondli5rLlymRGt" %}

## Inputs

| Input                                     | Description                                                                                                                                              |
| ----------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `01_Year_Built`                           | Year the house is built.                                                                                                                                 |
| `02_Building_limit`                       | Building sum insured.                                                                                                                                    |
| `03_Coverage_type`                        | Coverage type such as **Deluxe house/deluxe contents**, **Deluxe house/standard contents**, and **Deluxe house without contents or with fire contents**. |
| `04_Territory`                            | Defines the territory number.                                                                                                                            |
| `05_Base_deductible_factor`               | Base deductible amount.                                                                                                                                  |
| `06_Burglar_alarm`                        | Whether the house has burglar alarms. The input is used to determine discount and surcharges.                                                            |
| `07_Lien_free`                            | Whether the house is lien free. The input is used to determine discount and surcharges.                                                                  |
| `08_Security_protection`                  | Whether the house has security protection. The input is used to determine discount and surcharges.                                                       |
| `09_Renovation_or_Construction_surcharge` | Whether the house has renovation or construction surcharge. The input is used to determine discount and surcharges.                                      |

## Outputs

| Output                | Description                                                                                                                                                                       |
| --------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `Premium_WindHail`    | Premium for wind or hail peril.                                                                                                                                                   |
| `Premium_Wildfire`    | Premium for wildfire peril.                                                                                                                                                       |
| `Premium_AllOther`    | Premium for all other perils.                                                                                                                                                     |
| `Premium_Adjusted`    | Sum of premium due to wind or hail, wildfire, and all other perils.                                                                                                               |
| `Premium_Adjustments` | Dollar adjustments for the final premium.                                                                                                                                         |
| `Premium_Total`       | Final premium reflecting all dollar adjustments.                                                                                                                                  |
| `Refer`               | `0/1` output that indicates whether a referral to an underwriter is required. This happens when the sum insured exceeds the threshold and needs to be reviewed by an underwriter. |
| `V1`                  | Product version.                                                                                                                                                                  |