Boundary changes · Local authority district · 2019

The 2019 local authority district changes

16 local authority district codes were replaced on 1 April 2019, creating 7 new codes across 16 predecessor-to-successor relationships.

16 codes replaced

7 codes created

16 predecessor-to-successor relationships

The instruments behind these changes

The Bournemouth, Dorset and Poole (Structural Changes) Order 2018 SI 308/2018
The East Suffolk (Local Government Changes) Order 2018 SI 639/2018
The Glasgow City Council Area and North Lanarkshire Council Area (Cardowan by Stepps) Boundaries Amendment Order 2018 SI 640/2018
The Somerset West and Taunton (Local Government Changes) Order 2018 SI 648/2018
The West Suffolk (Local Government Changes) Order 2018 SI 649/2018

Areas created

E06000059 Dorset from 5: East Dorset, North Dorset, Purbeck, West Dorset, Weymouth and Portland
E06000058 Bournemouth, Christchurch and Poole from 3: Bournemouth, Christchurch, Poole
E07000245 West Suffolk from 2: Forest Heath, St Edmundsbury
E07000244 East Suffolk from 2: Suffolk Coastal, Waveney
E07000246 Somerset West and Taunton from 2: Taunton Deane, West Somerset
S12000049 Glasgow City from Glasgow City
S12000050 North Lanarkshire from North Lanarkshire

What changed

One row per replaced code. A code split across several successors lists all of them — that distinction is why this table exists, and it is the part a flat lookup loses.

Old code	Name	Replaced by	Successors
`E06000028`	Bournemouth	`E06000058` Bournemouth, Christchurch and Poole	1
`E07000048`	Christchurch	`E06000058` Bournemouth, Christchurch and Poole	1
`E07000049`	East Dorset	`E06000059` Dorset	1
`E07000201`	Forest Heath	`E07000245` West Suffolk	1
`S12000046`	Glasgow City	`S12000049` Glasgow City	1
`E07000050`	North Dorset	`E06000059` Dorset	1
`S12000044`	North Lanarkshire	`S12000050` North Lanarkshire	1
`E06000029`	Poole	`E06000058` Bournemouth, Christchurch and Poole	1
`E07000051`	Purbeck	`E06000059` Dorset	1
`E07000204`	St Edmundsbury	`E07000245` West Suffolk	1
`E07000205`	Suffolk Coastal	`E07000244` East Suffolk	1
`E07000190`	Taunton Deane	`E07000246` Somerset West and Taunton	1
`E07000206`	Waveney	`E07000244` East Suffolk	1
`E07000052`	West Dorset	`E06000059` Dorset	1
`E07000191`	West Somerset	`E07000246` Somerset West and Taunton	1
`E07000053`	Weymouth and Portland	`E06000059` Dorset	1

Provenance

Source: Office for National Statistics, Code History Database (June 2026) — geoportal.statistics.gov.uk
Retrieved: 7 September 2026
Dataset version: CHD-2026-06
Licence: Open Government Licence v3.0
Method: /methodology/geography-vintages
Machine copies: JSON, CSV, Markdown

Cite this

Measure What's Important (UKMWI), 2026. The 2019 local authority district changes.
16 codes replaced, 7 created, effective 1 April 2019.
https://ukmwi.co.uk/changes/2019/local-authority-districts (accessed <date>).
Derived from the ONS Code History Database (CHD-2026-06) under the Open Government Licence v3.0.

This page as data: .md .json .csv