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OSM Street Name Warnings for EC Postal Area

Warnings for street names in OSM objects with postcodes in addr:postcode tags in the EC Postal Area, based on OSM data from 2021‑06‑16 07:47:47 Z. (The data comes from postcode checks that another tool does, so only includes OSM objects with valid postcodes.) Street names are taken from the following, in order of precedence: the addr:place tag, the addr:parentstreet tag, the addr:street tag, the name tag on street or associatedStreet relation if present, and the addr:locality tag. Remember that only OSM-compatible sources can be used to fix any issues flagged by this tool.

Street Name Mismatches

Each postcode unit normally only includes addresses on a single "street" (although there can be one or more "dependent streets" off a main street within a single unit). The table below lists OSM objects whose computed 'street name' differs from the dominant 'street name' for other objects in that unit. Such difference may be caused by typos in the street name, by objects having the wrong postcode, or by a dependent street being tagged as addr:street, without the main street being appropriately tagged. (In the latter case, I would recommend using addr:parentstreet for the main street, and addr:street for the dependent street. The main street will then be recorded in this tool, but data users unaware of the additional tag, will get something sensible from the addr:street tag.) Note that the 'Dominant Street' listed in the tables is just the most used on other OSM objects with the same postcode — it is not necessarily correct.

Postcode Mapped Dominant Street OSM Object JRC Tagged Street
EC1M 5RS 2 Clerkenwell␣Road n581960643 J+ Clerkenwell␣road
EC1M 6BY 4 Cowcross␣Street w503225506 J+ Turnmill␣Street
EC1N 2LE 3 Holborn w421365979 J+ High␣Holborn
EC1R 0BE 2 Sekforde␣Street n3527722639 J+ Goswell␣Road
EC1R 0HU 4 Northampton␣Road w294368599 J+ Corporation␣Row
EC1R 0HU 4 Northampton␣Road w393465286 J+ Three␣Corners␣Centre
EC1R 4QE 7 Exmouth␣Market w147734602 J+ Exmouth␣market
EC1R 5EN 4 Clerkenwell␣Road w98531985 J+ Back␣Hill
EC1V 4EX 2 St␣John␣Street n4178539290 J+ St.␣John␣Street
EC1V 4JY 2 St.␣John␣Street w98252975 J+ Saint␣John␣Street
EC1V 4NJ 4 St.␣John␣Street w100442833 J+ Saint␣John␣Street
EC1V 4NJ 4 St.␣John␣Street w163379400 J+ St␣John␣Street
EC1V 4NJ 4 St.␣John␣Street n4890112396 J+ St␣John␣Street
EC1V 7DU 2 Goswell␣Road w149403893 J+ Gosswell␣Road
EC1V 8BB 3 Moreland␣Street w34083444 J+ Goswell␣Road
EC1Y 8AF 2 Old␣Street␣Yard w532318205 J+ Old␣Street
EC1Y 8NX 2 Whitecross␣Road n2003960128 J+ Cherry␣Tree␣Walk
EC2M 2AB 3 Octagon␣Arcade,␣Broadgate w369553300 J+ Liverpool␣Street
EC2M 2QS 11 Broadgate␣Circle n4075042399 J+ Broadgate
EC2M 2QS 11 Broadgate␣Circle n6458147951 J+ Broadgate
EC2M 3AB 6 Broadgate␣Plaza n2979737106 J+ Bishopsgate
EC2M 3AB 6 Broadgate␣Plaza n2990710234 J+ Bishopsgate
EC2M 3AB 6 Broadgate␣Plaza n3206389319 J+ Bishopsgate
EC2V 6BJ 10 Cheapside n3356875069 J+ St␣Martin's␣Le␣Grand
EC2Y 5EJ 3 Fore␣Street w156208069 J+ Fore␣Street␣Avenue
EC2Y 9AP 2 Moor␣Lane n4312323533 J+ Moore␣Lane
EC3A 7DB 12 Houndsditch n3822113518 J+ Duke's␣Place
EC3M 3BD 6 Fenchurch␣Street n2935424558 J+ Mincing␣Lane
EC3M 3BD 6 Fenchurch␣Street n3269724929 J+ Rood␣Lane
EC3M 4AJ 6 Fenchurch␣Place n4718553522 J+ Cooper's␣Row
EC3N 2EX 2 Jewry␣Street n4865649258 J+ Aldgate
EC3N 4AB 9 Tower␣Hill w800503671 J+ Tower␣Wharf
EC3N 4AB 9 Tower␣Hill w193601879 J+ Tower␣Wharf
EC3R 7BB 6 Mark␣Lane n2935383884 J+ Minster␣Court
EC3R 7BB 6 Mark␣Lane n5329414521 J+ Minster␣Court
EC3V 0AT 2 Gracechurch␣Street n4584951680 J+ Corbet␣Court
EC3V 1LT 7 Leadenhall␣Market n6176866749 J+ Bull's␣Head␣Passage
EC4A 2AF 3 Fleet␣Street w220255010 J+ Ludgate␣Circus
EC4A 3AP 3 Nevill␣Lane n7265050991 J+ Neville␣Lane
EC4A 4AS 5 St␣Bride␣Street n4681218464 J+ Saint␣Bride␣Street
EC4A 4AS 5 St␣Bride␣Street n4681223855 J+ Saint␣Bride␣Street
EC4M 8BX 2 Saint␣Paul's␣Church␣Yard w49780449 J+ Carter␣Lane
EC4M 8BX 2 Saint␣Paul's␣Church␣Yard w60206798 J+ St␣Paul's␣Churchyard
EC4M 9AF 2 Cheapside n3269520661 J+ New␣Change
EC4V 6AA 2 New␣Bridge␣Road n3815898016 J+ New␣Bridge␣Street
EC4Y 8EQ 2 Bride␣Lane,␣Fleet␣Street w107643531 J+ Bride␣Lane

Partially Missing Street Names

OSM objects with an addr:postcode tag, with without a computed street name (see above for method), where at least one other OSM object with the same postcode has a street computed street name. If the postcodes are correct, then the object in question will normally have the same street in its address.

Postcode Mapped Dominant Street OSM Object JRC
EC1M 6BY 4 Cowcross␣Street n3284103165 J+
EC1R 1UW 2 Myddelton␣Street n584514548 J+
EC1R 1YJ 2 Myddelton␣Street w45888300 J+
EC1R 4QL 4 Exmouth␣Market n5523706750 J+
EC1V 7AF 2 Goswell␣Road n4432484320 J+
EC1V 7LQ 2 Goswell␣Road n1349471315 J+
EC1V 8BU 2 Central␣Street n4874866258 J+
EC2A 2BA 4 Worship␣Street w679575406 J+
EC3M 4AJ 6 Fenchurch␣Place n694473687 J+
EC3N 1DY 3 Minories w353023714 J+
EC4N 6AP 7 Cannon␣Street w140208745 J+

Fully Missing Street Names

OSM objects with an addr:postcode tag, with without a computed street name (see above for method), where none of the other OSM objects in the same postcode unit have a street name. In some postcode units, the addresses do not have streets, so the entries here are not necessarily errors.

Postcode Mapped OSM Object JRC
EC1M 5PU 1 w97508212 J+
EC1N 6SJ 1 w420644092 J+
EC1N 7SP 1 w39024354 J+
EC1N 8JD 1 w41181446 J+
EC1V 4JD 1 w98251554 J+
EC1V 8DD 1 w34083498 J+
EC1Y 0RQ 1 w191261852 J+
EC2A 1DX 1 n4934970023 J+
EC2P 2NQ 1 r2093338 J+
EC2R 8AR 1 w326803305 J+
EC3N 4DR 1 n5593327043 J+
EC3V 3NL 1 n4136278301 J+
EC4A 3JR 1 n350370447 J+
EC4R 3XJ 1 n1713257252 J+
EC4R 9AF 1 n5838839085 J+

Highways with Postcodes

OSM objects with an addr:postcode and a highway tag. It is debatable whether postcodes should be added to streets at all, but if they are to be, it might be preferable to use the postal_code tag instead, as the postcode on the street does not form part of an address.

No such streets found in this area.

Unexpected Punctuation

Street names containing a comma, colon, semi-colon, forward slash or backward slash, or a hyphen not between words. Occasionally such usage may be legitimate.
Regular expression: /([,:;\/\]|^-| -|- |-$)/

Postcode Mapped Dominant Street Name
EC4Y 8EQ 2 Bride␣Lane,␣Fleet␣Street
EC4N 6HN 1 Cannon␣Street,
EC2M 2AB 3 Octagon␣Arcade,␣Broadgate

Unexpected Numbers

Street names containing a number. Note that some street names legitimately contain road numbers (e.g. "A147") when the road does not have another name.
Regular expression: /[0-9]/

No such streets found in this area.

Capitalisation Issues

Street names starting with a lowercase letter, or having two consecutive uppercase letters.
Regular expression: /(^[a-z]|[A-Z][A-Z])/

No such streets found in this area.


Street names containing common suffix/descriptor abbreviations, which would normally be expected to be spelt out in full. Note that the abbreviation of 'Saint' to 'St' is often present in the official name of a street, so 'St' is not necessarily an error.
Regular expression: / (Ave|Blvd|Cl|Cresc?|Ct|Gdns?|Grvs?|Ln|Rd|Sq|St)(\.? |$)/

Postcode Mapped Dominant Street Name
EC3A 6AT 1 Great␣St␣Helen's
EC4V 2BH 2 Great␣St.␣Thomas␣Apostle

White Space Issues

Street names containing any white space characters other than spaces, two or more consecutive spaces, or starting or ending with a space.
Regular expression: /([[.newline.][.tab.][.form-feed.]]| |^ | $)/

No such streets found in this area.

Other Odd Characters

Street names containing anything other than letters, punctuation, spaces and numbers. Not all warnings here will be errors; some may be legitimate uses.
Regular expression: /[^A-Za-z0-9 '\.,:;()/\\-]/

No such streets found in this area.

Data derived from OpenStreetMap data, © OpenStreetMap Contributors, licensed under Open Data Commons Open Database License (ODbL). XAPI courtesy of Overpass API.