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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 2020‑07‑07 17:22:02 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
EC1A 4HD 4 Aldersgate␣Street n6977910185 J+ Aldersgate
EC1A 4HD 4 Aldersgate␣Street n3455347503 J+ Aldersgate
EC1M 6BY 4 Cowcross␣Street w503225506 J+ Turnmill␣Street
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 5EN 4 Clerkenwell␣Road w98531985 J+ Back␣Hill
EC1V 4JY 2 St.␣John␣Street w98252975 J+ Saint␣John␣Street
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
EC2A 4LT 2 Leonard␣St w70844110 J+ Leonard␣Street
EC2M 3AB 6 Broadgate␣Plaza n2979737106 J+ Bishopsgate
EC2M 3AB 6 Broadgate␣Plaza n2990710234 J+ Bishopsgate
EC2M 3AB 6 Broadgate␣Plaza n3206389319 J+ Bishopsgate
EC2M 7PY 4 Liverpool␣Street w377488600 J+ Walkway␣Level
EC2N 1DW 2 Old␣Broad␣Street n4377148225 J+ Adams␣Court
EC2Y 5AS 2 Alban␣Highwalk n476033502 J+ Alban␣Gate
EC2Y 5EJ 2 Fore␣Street w156208069 J+ Fore␣Street␣Avenue
EC2Y 9AP 2 Moor␣Lane n4312323533 J+ Moore␣Lane
EC3A 7DB 5 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 w193601879 J+ Tower␣Wharf
EC3N 4AB 9 Tower␣Hill w800503671 J+ Tower␣Wharf
EC3R 7BB 5 Mark␣Lane n2935383884 J+ Minster␣Court
EC4A 2AF 3 Fleet␣Street w220255010 J+ Ludgate␣Circus
EC4A 4AS 4 St␣Bride␣Street n4681218464 J+ Saint␣Bride␣Street
EC4M 8BX 3 Saint␣Paul's␣Church␣Yard w49780449 J+ Carter␣Lane
EC4M 8BX 3 Saint␣Paul's␣Church␣Yard w60206798 J+ St␣Paul's␣Churchyard
EC4V 6AA 2 New␣Bridge␣Road n3815898016 J+ New␣Bridge␣Street

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 1JN 10 City␣Road n1972650241 J+
EC1V 1JN 10 City␣Road n1972650245 J+
EC1V 1JN 10 City␣Road n1972650214 J+
EC1V 1JN 10 City␣Road n1972650249 J+
EC1V 1JN 10 City␣Road n1972650237 J+
EC1V 2QH 2 City␣Road w154856424 J+
EC1V 7AF 2 Goswell␣Road n4432484320 J+
EC2A 3BR 2 Hearn␣Street w607093684 J+
EC2M 7PY 4 Liverpool␣Street w434682403 J+
EC2N 2AT 2 Throgmorton␣Street n5686077722 J+
EC2V 7PG 4 Gresham␣Street n6976586585 J+
EC2V 7PG 4 Gresham␣Street n6976603085 J+
EC4N 4SJ 2 Queen␣Victoria␣Street n1144626359 J+
EC4N 4UA 2 Queen␣Victoria␣Street n2489364566 J+
EC4N 6AP 7 Cannon␣Street w140208745 J+
EC4N 7BP 3 King␣William␣Street n4585441161 J+
EC4N 7BP 3 King␣William␣Street n4585441787 J+
EC4N 8AF 2 Walbrook n3788896805 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
EC1A 2FD 1 n4642335170 J+
EC1A 7BX 1 w170205758 J+
EC1N 6SJ 1 w420644092 J+
EC1N 7SP 1 w39024354 J+
EC1N 8JD 1 w41181446 J+
EC1V 7LQ 1 n1349471315 J+
EC1V 8BU 2 n4432547600 J+
EC1V 8BU 2 n4874866258 J+
EC1V 8DD 1 w34083498 J+
EC1Y 0RQ 1 w191261852 J+
EC2A 1DX 1 n4934970023 J+
EC2A 1RS 1 n3559146642 J+
EC2A 2BA 1 w679575406 J+
EC2A 3PG 1 n5415379722 J+
EC2A 4DE 1 w631252074 J+
EC2M 1QT 1 n475396921 J+
EC2M 2QS 1 n4086136893 J+
EC2N 1HQ 2 n4935127421 J+
EC2N 1HQ 2 w166514748 J+
EC2P 2NQ 1 r2093338 J+
EC2R 8AR 1 w326803305 J+
EC2Y 8BY 1 n3660611628 J+
EC3N 1DY 1 w353023714 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 1 Bride␣Lane,␣Fleet␣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 1 Great␣St.␣Thomas␣Apostle
EC2A 4LT 2 Leonard␣St
EC3R 6DL 1 Lower␣Thames␣St

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.]]| |^ | $)/

Postcode Mapped Dominant Street Name
EC4A 3TR 1 Little␣New␣Street␣

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.