Archives

I require an Expert Witness to comment on the mapping, does Ordnance Survey Ireland offer this service?

Ordnance Survey Ireland is unable to become involved in property boundary disputes. If you need an expert to prepare evidence, there are a number of relevant professional organisations including: The Society of Chartered Surveyors (SCS) provides a searchable database of Land Surveyors who can act as Expert Witnesses and prepare evidence for court. The Irish Institution of […]

Categories:

I believe Ordnance Survey Ireland’s mapping of my property is incorrect, can I arrange for a surveyor to come out and amend the mapping?

Ordnance Survey Ireland welcomes all customer feedback about the content and accuracy of their mapping. We understand that there may be a delay between changes taking place on the ground and when they are able to capture them within our continuous mapping revision programme. Any issues relating to the content or accuracy of our mapping that […]

Categories:

What feature does the line on the OSI map represent?

Ordnance Survey Ireland maps use the same line symbol for a wall, fence, hedge, bank, ditch and stream. Where many features are represented in close proximity it may not be possible to represent them all at the scale of the mapping and it may not be obvious from the map which feature the line represents. Even if a […]

Categories:

Can an Ordnance Survey Ireland map indicate where my legal boundary is?

No. Ordnance Survey Ireland mapping does not depict legal property boundaries nor do the OSi attempt to show property ownership on the OSi map. OSI only show the existence of physical features on the ground at the time of survey, which are surveyed to Ordnance Survey Ireland specification and accuracy standards. Although some property boundaries […]

Categories:

Can I measure my boundary precisely from the map?

It is not possible even when using the highest order of survey techniques to achieve perfect accuracy when drawing/digitising features on a map. OSI maps are therefore subject to accuracy limitations. This means that scaled measurements between features shown on the map may not exactly match the actual distance measured between the same features on […]

Categories: