Data sources
Where Croydon's data on herewise comes from, and how it's licensed.
Croydon Council — planning applications, council meetings & agendas, and spending over £500, published on croydon.gov.uk and democracy.croydon.gov.uk.
Police.uk (data.police.uk) — reported crime, under the Police.uk Open Data Licence.
Department for Education (Get Information about Schools) and Ofsted — school details and inspection ratings.
Office for National Statistics — mid-year population estimates.
HM Land Registry — residential property sale prices (Price Paid Data). Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Environment Agency — long-term flood risk by postcode (rivers, sea, surface water and groundwater). Contains Environment Agency data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Office for National Statistics — private rents by postcode district, from the Private rental market in London ad hoc release series, under the Open Government Licence v3.0.
HM Land Registry — the UK House Price Index, used to produce index-based estimated values for previously sold properties (not a formal valuation). Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Office for National Statistics — the house-price-to-earnings affordability ratio, from the Housing affordability in England and Wales release, under the Open Government Licence v3.0.
Air quality data from the London Air Quality Network (Imperial College London), via the Environmental Research Group API, licensed under the Open Government Licence v2.0.