Colchester
city in Essex, England, UK
Colchester ( KO(H)L-chest-ər, -chist-) is a city in north-eastern Essex, England. At the 2021 census the built up area had a population of 130,245, making it the second-largest settlement in Essex, after Southend-on-Sea. It gives its name to the wider Colchester local government district which also covers an extensive surrounding area. The demonym is Colcestrian.
Colchester occupies the site of Camulodunum, the first major city in Roman Britain and its first capital. Colchester therefore claims to be Britain's first city. It has been an important military base since the Roman era, with Colchester Garrison currently housing the 16th Air Assault Brigade.
The city is on the River Colne, and lies 50 miles (80 kilometres) north-east of London. It is connected to London by the A12 road and the Great Eastern Main Line railway. Colchester is less than 30 miles (50 km) from London Stansted Airport and 20 miles (30 km) from the port of Harwich.
This brief starts where responsible research should: with the source description of “Colchester” as city in Essex, England, UK. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the places & architecture register because the source frames it as city in Essex, England, UK. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Maps, plans, fabric surveys and administrative records can establish how the site’s name, extent and function changed over time. The source revision retrieved here is dated Sep 22, 2026. The linked authority identifier is Q184163. VIAF identifies the subject as 146579883. The Library of Congress control number is n80086503. Authority coordinates are 51.889, 0.904. 3 of 5 selected statements include explicit references; 1 carry qualifiers and 0 use preferred rank. The first chronological checks are 2021.
Modern boundaries and familiar names can conceal earlier jurisdictions or structures that do not align with the present site. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.
- Historic place names
- Jurisdictional context
- Routes into maps and plans
Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.
Three-step research path
- Establish the record: confirm the title “Colchester”, its source revision and the description used here.
- Expand the search: follow Colchester primary sources, Colchester archive and Colchester research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Colchester”?
- What physical evidence or contemporary plan supports the description?
- Which authority defined the place, boundary or structure at the relevant date?
Search terms from this dossier
This entry incorporates text from “Colchester” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.