CrystalRoof
CrystalRoof

Household composition

England
Wales
gethttps://crystalroof.co.uk/customer-api/demographics-and-migration/household-composition/postcode/v1/{location}

Description

This method returns Census 2021 estimates that classify households by the relationships between household members.

One-family households are classified by: - the number of dependent children, - family type (married, civil partnership or cohabiting couple family, or lone parent family).

Other households are classified by: - the number of people - the number of dependent children - whether the household consists only of students or only of people aged 66 and over.

The estimates are as at Census Day, 21 March 2021.

Parameters

NameDescription
location
path
string
Postcode, coordinates in the lat,long format or UPRN in the uprn12345678 format.
area_type
query
enum

Area types used in Census 2021. The method returns results based on the inclusion of the postcode/coordinate/UPRN within the designated geographical area. For instance, when using 'oa' as a parameter, the returned results will be for the Output Area that contains the specified postcode/coordinate/UPRN.

  • oa - Output area (OA), the smallest geographical area used in the census, comprises 40-25 households and a population of 100-625 persons.
  • lsoa - Lower layer Super Output Area (LSOA), a small geographical area used in the census, comprises 400-1200 households and a population of 1000-3000 persons. Lower layer Super Output Areas (LSOAs) are made up of groups of OAs, usually four or five.
  • msoa - Middle layer Super Output Area (MSOA), a small geographical area used in the census, comprises 2,000-6,000 households and a population of 5,000 and 15,000 persons. MSOAs are made up of groups of LSOAs, usually four or five. MSOAs fit within local authorities.
  • lad - Local Authority District. There are a total of 296 districts in England made up of 36 metropolitan boroughs, 32 London boroughs, 164 two-tier non-metropolitan districts and 62 unitary authorities, City of London district and Isles of Scilly district. In Wales, there are 22 local authorities, which are named principal areas..
  • region - nine regions of England (London, the North East, North West, Yorkshire, East Midlands, West Midlands, South East, East of England and the South West) and Wales as a whole.
  • country - constituent countries of the UK: England, Scotland, Wales and Northern Ireland.
api_key
query
enum

Your API key.

DEMO key allows you to test the method in the W6 0 postcode sector, or in the [[51.492, -0.25], [51.502, -0.225]] rectangle.

Request URL:
https://crystalroof.co.uk/customer-api/demographics-and-migration/household-composition/postcode/v1/{location}?api_key=DEMO
Possible responses with examples
Code
Description
200
Success
401
Unauthorized
402
Payment Required
403
Forbidden
429
Too Many Requests
500
Internal Server Error