Property Valuation

GEThttps://property-api.k8s.outra.co.uk/api/v2/property/valuation
API keyJSON

Get VALUATION field group data for a property by UPRN. Provides capital and rental value estimates and reinstatement (rebuild) cost variants, each accompanied by confidence scores — optimised for pricing, insurance, lending and financial analysis.

Purpose

  • Reliable value context — a property's estimated market value and rental potential.
  • Insurance & reinstatement — several rebuild cost variants for buildings insurance under different methodologies.
  • Confidence-aware — confidence scores let you apply thresholds or disclose uncertainty.

Parameters

NameTypeRequiredDescription
uprnintegerRequiredProperty UPRN. Positive integer, maximum 12 digits. Minimum 1, maximum 999999999999.
bash
curl 'https://property-api.k8s.outra.co.uk/api/v2/property/valuation?uprn=100023336956' \
  -H 'accept: application/json' \
  -H 'Authorization: Api-Key {api_key}'

Confidence & modelled flags

Value fields include companion FIELD$CONFIDENCE and FIELD$MODELLED keys. Several reinstatement cost variants are provided so you can select the estimate appropriate to your coverage requirements or regulatory framework.

Status codes

CodeDescription
200Valuation retrieved successfully
401Authentication failed or API key invalid
422Request validation failed
429Rate limit exceeded

Field reference

Market valueVALUATION
property_value
Estimated capital (market) value.
property_rental_value
Estimated rental value.
Reinstatement costsVALUATION
reinstatement_cost_notional
Notional rebuild cost.
reinstatement_cost_outra
Outra rebuild cost estimate.
reinstatement_cost_final_adjusted_azur
Final adjusted rebuild cost (Azur).
reinstatement_cost_higher_rate_azur
Higher-rate rebuild cost (Azur).

Typical use cases

Automated valuation models

Provide valuation inputs or benchmarking for pricing engines.

Insurance reinstatement pricing

Support buildings insurance premiums using rebuild cost estimates.

Mortgage & lending

Enhance underwriting and affordability checks with confidence-scored values.