LSOA (2011) to LSOA (2021) to Local Authority District (2022) Best Fit Lookup for EW (V2)

Open data API in a single place

Provided by Office for National Statistics

Get early access to LSOA (2011) to LSOA (2021) to Local Authority District (2022) Best Fit Lookup for EW (V2) API!

Let us know and we will figure it out for you.

Dataset information

Country of origin
Updated
2025.12.23 12:17
Created
2025.12.03
Available languages
English
Keywords
Lower Super Output Areas, DEC_2021, Census Lookups, Local Authority Districts, LUP_BFT_LSOA_2011_LSOA_2021_LAD, Local Authority District, LAD, LUP_LSOA_2021_LAD, Lower Layer Super Output Area, England and Wales, Local Authority, LUP_BFT
Quality scoring

Dataset description

<p><span style="font-family:&quot;Arial&quot;,sans-serif;font-size:12.0pt;"><span style="line-height:107%;">A best fit lookup file between Lower layer Super Output Areas (LSOA) as at December 2011 and LSOAs as at December 2021 in England and Wales.</span></span></p><p><span style="font-family:&quot;Arial&quot;,sans-serif;font-size:12.0pt;"><span style="line-height:107%;">The lookup contains all the 2011 LSOAs (34,753) and these are point-in-polygon to the 2021 LSOA full extent boundaries (which contains 34,628 records, so 1,044 LSOAs are missing from the 2021 LSOAs) (File Size 9 MB).</span></span></p><p><span style="font-family:&quot;Arial&quot;,sans-serif;font-size:12.0pt;"><span style="line-height:107%;">Field Names – LSOA11CD, LSOA11NM, LSOA21CD, LSOA21NM, LAD22CD, LAD22NM, LAD22NMW</span></span></p><p><span style="font-family:&quot;Arial&quot;,sans-serif;font-size:12.0pt;"><span style="line-height:107%;">Field Types – Text, Text, Text, Text,&nbsp;Text, Text, Text</span></span></p><p><span style="font-family:&quot;Arial&quot;,sans-serif;font-size:12.0pt;"><span style="line-height:107%;">Field Lengths – 9, 33, 9, 40, 9, 35, 24</span></span></p>
European data infrastructure with broad catalog discovery, free evaluation access and production-grade API options.
190K+
indexed dataset pages
32
countries and EU institutions
2019
API-first since
Free API quota
for evaluation and prototypes
SLA
history and push on production APIs
FAQ

Questions before production use

Practical answers on evaluation, licensing, freshness, versioning and support.

api.store is built and operated by Apitalks s.r.o. Company details and a direct contact path are linked in the footer for vendor checks and procurement review.
Yes. Selected APIs include a free API quota, so your team can validate coverage, freshness, response shape and workflow fit before asking for a production plan.
Often yes, but usage rights depend on the source license and dataset. We surface source, license and update metadata where available, and can help review terms before a production integration.
Maintained APIs include update metadata where available. For production integrations, we can add history, monitoring and push updates so changes are easier to detect and act on.
Production APIs can add SLA, stable identifiers, versioning support, history, push updates and direct support around the data your product or AI workflow depends on.

Didn't find the API you need?

Let us know and we will figure it out for you.

European data discovery with free evaluation access and production-grade API options.

Copyright © 2026. Made by Apitalks