Convert NGR to Postcode

Use this tool to convert an OS National Grid Reference to a UK postcode. Type in a Grid Reference or a list of Grid References and click convert. The closest postcode for each Grid Reference will then be displayed.

Input / Output

Please input in the format "TF 01584 06833"

 Convert 

Version History

Future Updates

Relevant Links

British National Grid Reference System

Comments For This Page

always use it! makes things easy. if it doesn't work for you, make sure it doesn't have any spaces, commas at the end. hope this helps
On 25th May 2021

Hi, which reference do you put in?
By Free Map Tools on 27th January 2021

Not working
By 2021 vibes on 27th January 2021

Works well.I always use it.
On 10th December 2020

Hi, which reference do you put in?
By Free Map Tools on 23rd November 2020

Doesn't work, put in this reference clicked convert and nothing!!
On 22nd November 2020

I have just found this and tried it. It works great for me
By Michael on 6th October 2020

Brilliant!! I have to drive to a car park at the start of a NT walk which gave only grid ref. This genius idea is EXACTLY what I needed. Many,many thanks.
By R E White on 10th September 2020

used to work but not now! Shameful!
On 1st August 2020

This always works for me and is a very useful App.
By Dennis on 29th May 2020

AOK for me. :-)
By Barney on 24th May 2020

Worked well for me.
By Ken on 30th April 2020

Absolutely brilliant, thank you. Works every time whilst other on-line conversion packages don't always. You just need to substitute the first number of the full 6 figure OS reference with the appropriate OS prefix letter used to name 1/2500 OS plans. Eg 400000 500000 = NZ. Hence 419940 552750 becomes NZ 19940 52750 for the purposes of converting to the post code.
By Tony B on 30th March 2020

Doesn't even work, waste of time.
On 24th March 2020

Waste of time dosn't work
On 15th February 2020

Just used this tool to convert grid references to postcode since the walking book I am using gives the start position as a grid reference. Works a treat - excellent tool thank you
By Dave w on 15th July 2019

Just the Job. Suggest zeroing in on the result! Just a thought. Thanks
By Barney on 4th February 2019

Is anyone actually administering this page? There's questions waiting for answers.
On 16th October 2018

Thank you, this is such a useful tool.
By Nat on 15th October 2018

It appears there is input list limit of 100 NGRs. I have 2,405 NGRs to convert to postcode. Is there a quicker and easier (free) tool that will do the job?
By Phil on 8th October 2018

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