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Lowest UPRN not marked historic (FOI241231)

This Freedom of Information request asks for the lowest UPRN not marked as historic.

Request for information - Ref No: FOI241225


We received your request on 25 March 2024.

We have handled your request under the Freedom of Information Act (FOIA) 2000.

A copy of your request is set out in the extract below:

“I would like to request the lowest UPRN number that is not marked as "historic".”

Our response

I confirm that Ordnance Survey does hold the information you have requested.

The lowest UPRN number that is not marked as historic is: UPRN 1.

Advice and Assistance

You can carry out a UPRN search at Search - FindMyAddress for the information associated to UPRN 1.

UPRN information is also available in: OS Open UPRN | Data Products | OS ( which is free to download.

Internal review

Your enquiry has been processed according to the Freedom of Information Act (FOIA) 2000. If you are unhappy with our response, you may request an internal review with our Internal Review Officer by contacting them, within two months of receipt of our final response to your Freedom of Information (FOI) request, as follows:

Internal Review Officer
Customer Service Centre
Ordnance Survey
Adanac Drive
SO16 0AS

Contact us via our FoI form

Please include the reference number above. You may request an internal review where you believe Ordnance Survey has:

  • Failed to respond to your request within the time limits (normally 20 working days)
  • Failed to tell you whether or not we hold the information
  • Failed to provide the information you have requested
  • Failed to explain the reasons for refusing a request
  • Failed to correctly apply an exemption or exception

The Internal Review Officer will not have been involved in the original decision. They will conduct an independent internal review and will inform you of the outcome of the review normally within 20 working days, but exceptionally within 40 working days, in line with the Information Commissioner’s guidance.

The Internal Review Officer will either: uphold the original decision, provide an additional explanation of the exemption/s applied or release further information, if it is considered appropriate to do so.

Appeal to Information Commissioner’s Office (ICO)

If you are still dissatisfied after our internal review, you can complain to the Information Commissioner’s Office (ICO). You should make complaints to the ICO within six weeks of receiving the outcome of an internal review. The easiest way to lodge a complaint is through the ICO website.