Data Sources, License

plumplot use the following datasets which are released under OGL v3.0:

Data	Released	First record
Land Registry	each month, 2 months gap	1995-01
The UK police data	each month, 1 month gap	2011-01
Population estimates	each year in October, 1 year gap	2002
Energy Performance of Buildings Data	Twice a year	2008
Census 2021	once	2021
Survey of Earnings	yearly in January	1999
Modelled unemployment	four times a year	1999
Household income estimates	each two years	2016

License

Plumplot area insights use the following data sources. Although, data is royalty free reports and graphics using the data sources must credit original creators (and provide link to original data source if possible):

Data	License note requirement
Land Registry	Contains HM Land Registry data © Crown copyright and database right 2024. This data is licensed under the Open Government Licence v3.0.
UK police data	Contains public sector information licensed under the Open Government Licence v3.0.
Population estimates	Contains National Statistics data © Crown copyright and database right 2020
Energy Performance of Buildings Data	Contains public sector information licensed under the Open Government Licence v3.0.
Census 2021	Contains National Statistics data © Crown copyright and database right 2021
Survey of Earnings	Contains National Statistics data © Crown copyright and database right 2023
Household income estimates	Contains National Statistics data © Crown copyright and database right 2020
Modelled unemployment	Contains National Statistics data © Crown copyright and database right 2023
Postcode boundaries	Postal Boundaries © GeoLytix copyright and database right 2012. Contains Ordnance Survey data © Crown copyright and database right 2012. Contains Royal Mail data © Royal Mail copyright and database right 2012.
MSOA / LAD / County / Region boundaries - Boundary-Line™	Contains OS data © Crown copyright and database right 2022
Maps	Map data © Google 2024. Google logo in the map.
Plumplot chart	© www.plumplot.co.uk 2024. Hyperlink to www.plumplot.co.uk must be used if available.

Land Registry

The data is usually released with a month delay (ie. properties sold in January are released at the end of February), with some records delayed for up to 5 months. That means if you want to see all sales for 2023, you need to wait until the end of May 2024. Price Paid Dataset is the most reliable open data source about the residential property sales and the biggest world public dataset about property sales. It includes over 25 million property sales in England and Wales since 1995. It’s approximately 1 million sales transaction per year.

Police data

includes over 75 million crime records since the beginning of 2011. It’s roughly 6 million committed crimes per year.

Population estimates

Includes age distribution by sex.

Energy Performance of Buildings Data

Data collected in period between 2008-2024 includes ~16 million unique adresses which is more than two thirds of all available residential properties in England and Wales.

2011 Census data

From census 2011 we use postcode headcount and a workday population. Postcode headcounts are the only Census statistics that are available for full postcodes.

The workday population is collected for output areas. In some cases, these areas do not align with the postcode sector boundaries. In this situation, we approximate the total number of workday population. In most cases the approximate number is precise, nevertheless, for very small postcodes the error can be significant.

Comparing census data in 2001 and 2011, significant population change occurred in 2.6% (based on output areas units).

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