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OSM Street Name Warnings for WD Postal Area

Warnings for street names in OSM objects with postcodes in addr:postcode tags in the WD 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
WD3 6ED 2 Village␣Road w619265570 J+ Chenies␣Village
WD4 8LG 37 Roman␣Gardens w298443737 J+ Station␣Road
WD4 8LG 37 Roman␣Gardens w298443735 J+ Station␣Road
WD4 8QG 2 Hempstead␣Road w215640906 J+ Watford␣Road
WD4 8RD 3 Old␣Mill␣Road w220013148 J+ Watford␣Road
WD4 8ST 7 Kings␣Park n4478867220 J+ Primrose␣Hill
WD4 9BS 4 The␣Common w97534024 J+ Chipperfield
WD5 0AB 2 High␣Street n2399943070 J+ Langley␣Parade
WD5 0AW 7 High␣Street n5718150129 J+ 70
WD19 5BL 7 Delta␣Gain␣shops n3371588016 J+ Carpenders␣Park
WD19 5BL 7 Delta␣Gain␣shops n3371594975 J+ Delta␣Gain␣Carpenders␣Park
WD19 5BL 7 Delta␣Gain␣shops n3371596887 J+ Delta␣Gain␣Carpenders␣Park
WD19 5BL 7 Delta␣Gain␣shops n3371590062 J+ Delta␣Gain,␣Carpenders␣Park,
WD19 5BL 7 Delta␣Gain␣shops n3371588168 J+ The␣Parade
WD19 7DT 18 Station␣Approach n6661446188 J+ Prestwick␣Road
WD23 1GE 2 High␣Road w223456959 J+ HIgh␣Road
WD23 4NS 2 Coldharbour␣lane w191987925 J+ Coldharbour␣Lane
WD24 7RT 2 St␣Albans␣Road n6560939963 J+ Greycaine␣Road

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
WD3 6ER 2 Chenies w111868876 J+
WD4 8HR 3 Primrose␣Hill w451045194 J+
WD4 8LG 37 Roman␣Gardens w298443732 J+
WD4 8LG 37 Roman␣Gardens w298443728 J+
WD4 8LG 37 Roman␣Gardens w298443733 J+
WD4 8LG 37 Roman␣Gardens w298443729 J+
WD4 8LG 37 Roman␣Gardens w298443769 J+
WD4 8LG 37 Roman␣Gardens w298443730 J+
WD5 0EJ 2 Langley␣Road w223521091 J+
WD5 0PL 2 Furtherfield n2196150437 J+
WD6 4PR 3 Boulevard␣Retail␣Park n4994015347 J+
WD6 4PR 3 Boulevard␣Retail␣Park w286506281 J+
WD17 3PD 2 Richmond␣Drive w406790340 J+
WD18 0PR 2 Market␣Street n1632928319 J+
WD23 3PP 11 Harcourt␣Road w231619139 J+
WD23 3PP 11 Harcourt␣Road w231619148 J+
WD23 3PP 11 Harcourt␣Road w231619143 J+
WD23 3PP 11 Harcourt␣Road w231619140 J+
WD23 3PP 11 Harcourt␣Road w231619149 J+
WD23 3PP 11 Harcourt␣Road w231619145 J+
WD23 3PP 11 Harcourt␣Road w231619141 J+
WD23 3PP 11 Harcourt␣Road w231619147 J+
WD23 3PP 11 Harcourt␣Road w231619142 J+
WD24 7RU 2 St␣Albans␣Road n263928082 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
WD3 1QN 1 w7991251 J+
WD3 5SE 1 n4277463838 J+
WD3 6AS 1 w406827268 J+
WD3 6EA 1 w244593532 J+
WD3 6EB 1 w619265598 J+
WD4 8LW 1 w220149941 J+
WD6 1LB 1 n365581663 J+
WD7 7BD 1 n7051503825 J+
WD17 2EU 1 n4993655680 J+
WD17 3JN 1 n1265649653 J+
WD17 3NL 1 w59602577 J+
WD17 3PE 1 w406790338 J+
WD17 4YS 1 w406794999 J+
WD17 4YT 1 w406794997 J+
WD18 9BL 1 w85214621 J+
WD18 9SR 1 n988176113 J+
WD23 1BA 1 w281225107 J+
WD25 7JZ 5 n2318855778 J+
WD25 7JZ 5 n2318855775 J+
WD25 7JZ 5 n2318855779 J+
WD25 7JZ 5 n2318855776 J+
WD25 7JZ 5 n2318855777 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.

Postcode Mapped Dominant Street OSM Object Street Name M?
WD19 5BL 7 Delta␣Gain␣shops w336719055 The␣Parade *

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
WD6 1JS 4 Elstree␣Gate,␣Elstree␣Way
WD19 5BT 1 The␣Mead,␣Carpenders␣Park,␣
WD17 1NA 1 The␣Parade,␣High␣Street

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]/

Postcode Mapped Dominant Street Name
WD6 2XX 1 A1␣Barnet␣Way

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
WD17 2PY 1 Escourt␣Rd

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
WD19 5BT 1 The␣Mead,␣Carpenders␣Park,␣

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.