Regional Postcode Address File (PAF) Wales

This instant download contains all Postcode Address File (PAF) addresses / delivery points representing Wales.  That’s every known address and postcode in the 5 Postcode Areas CF, LD, LL, NP, and SA.   Addresses are updated quarterly to ensure they remain current, and our clients receive an inclusive complete refresh every three months as part of the service, for no additional fee.


The Royal Mail’s Wales Postcode Address File (PAF), is often used to capture, create and or maintain & clean in-house address lists.  This includes WEB registrations, forms and customer databases to reduce the number of returned or undelivered items from mailing programs.  Obviously, there are many more applications that you can use the PAF data for, including mailing, planning, leaflet distribution, logistics, navigation to name just a few!  This PAF download is the only official address database, and is provided by Royal Mail.   It is without any doubt the definitive, most up-to-date, and comprehensive address database available.

  • Clean addresses
  • Cheaper source as a mailing file
  • Reduce postage costs through bulk mailing (e.g. Mailsort)
  • Reduce the amount of undelivered mail
  • Preservation of brand image
  • Improved accuracy of customer and prospect analysis
  • Great for analysis
  • Perfect for grid referencing


This regional PAF product covers every business and residential delivery point / address in Wales.  You’ll initially receive one compressed file (ZIP), which opens into several Comma Separated Variable (CSV) files.  CSV files will open with most software applications, including but not limited to Excel, Word, Notepad, Access, SQL etc.   If you require the data supplied in another format then we will be more than happy to try and accommodate you at no extra cost.

Data fields present within the product file:

  • UDPRN (Royal Mail Unique Reference Number)
  • Organisation Name (blank if residential address)
  • Department Name (blank if residential address)
  • PO Box (if applicable)
  • Building / House Name (if applicable)
  • Sub Building Name (if applicable)
  • Building / House Number
  • Thoroughfare
  • Street / Road Name
  • Double Dependent Locality
  • Dependent Locality
  • Post Town Name
  • Postcode
  • Postcode Type
  • Delivery Point Suffix
  • SU Organisation Flag
  • X Coordinate
  • Y Coordinate
  • Latitude
  • Longitude


The Royal Mail’s UK Postcode Address File (PAF) universe, contains circa. 32 million UK addresses.   We have restructured and reformatted the file into manageable regional files, with each region containing a handful of postcode area files to represent a region; in this case Wales. The Royal Mail’s PAF is without any contention the definitive most up-to-date and complete data source, covering every known delivery point / address in the UK.

Royal Mail’s Wales Postcode Address File (PAF) contains every delivery point / address (business and residential); that’s every known delivery point / address in Wales.

This product excludes Royal Mail’s Multiple Residence file (MRES) and Not Yet Built file (NYB) products, which can be purchased separately. So when ordering, please consider adding Royal Mail’s Multiple Residence file (contains an additional 727,000 UK wide residences / business premises that are located ‘behind’ a delivery point / address found on the PAF file) and or Royal Mail’s Not Yet Built file  (contains addresses that are either in the planning stage, or building stage).

This Wales address file consists of the following postcode areas; i.e. every deliverable residential & business address starting with the postcode area:

  • CF = Cardiff, South Glamorgan
  • LD = Llandrindod Wells, Powys
  • LL = Llandudno, Clwyd
  • NP = Newport, Gwent
  • SA = Swansea, West Glamorgan

Other regions available: ScotlandIslandsWalesEast AngliaNorth EastNorth West, South CentralSouth EastSouth WestMidlandsLondon and Northern Ireland.

Alternatively you may just want to take the full UK file.


Downloads are supplied as licensed products, allowing unlimited reuse of the file content for 12 months.    You may cancel the licence at any time without penalty.  The licence fee you pay covers the considerable effort taken to compile and update the product, including our manual correction and verification, and finally verification against the latest Royal Mail and Ordnance Survey databases. On or before the 11th month, we will write to you, offering to extend the licence for a further 12 months or to let it expire.


As part of the fee paid, we will automatically send you a full product file refresher every 3 months for no additional fee.  This will ensure the postcodes and associated content remains current.


We have developed internal quality processes to help ensure the data you purchase is fit for purpose.  If you are for some reason not satisfied with the data or our work, we offer a no quibble refund in exchange for your feedback.

Buy now…

£227.50£600.00 / year

Instant Download: A link to the data, is emailed upon payment.  We will also email a link to the updated version of this file every three months (included in the fee you pay).

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