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The NY8455 Square Kilometre

NY8455 National Grid Square

Based in the North East English Region.

The NY8455 square kilometre intersects with the settlement of Allendale Town.

NY8455 is within the post town of Hexham, Northumberland.

The square is within Northumberland council.

The Point of Origin (0,0) is 674.89 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for NY8455

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Map SerieslinkOrdnance Survey
Explorer 1:25,000 ol43 Hadrian's WallShop for this map on amazon.co.ukBuy Direct from the Ordnance Survey
Landranger 1:50,000 86 Haltwistle Bewcastle & AlstonShop for this map on amazon.co.uk
Landranger 1:50,000 87 Hexham & HaltwistleShop for this map on amazon.co.uk
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Key of Northings for the NY8455 National Grid Square
Map of the NY8455 National Grid Square
Key of Eastings for the NY8455 National Grid Square
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A historical Ordnance Survey Map Sheet showing Grid Square NY8455.

This extract is taken from the Ordnance Survey six-inch to the mile series surveyed from 1888-1913. The scale is 1:10,560.

The Square overlayed over the map represents the extent of NY8455 and the vertical and horizontal line divides the square into four quadrants

Dividing the NY8455 Square to get a six figure Grid Reference


A helpful reminder for calculating grid references is across the landing and up the stairs.

For example if your house was located in a square that in the fourth square across and sixth square up and you wanted to work out its six figure grid refence.

First, You would divide the four figure grid reference into three parts. NY , 84 and 55

Count across starting with zero. This would give you three. Make a note that X for Across (A Cross) = 3.

Count up starting with zero. This would give you five. Make a note that Y = 5.

So to put it together NY + 84 + 3 + 55 + 5 would give you the six figure grid reference of NY843555

NY8455
NY843555

A six figure grid reference would be accurate to 10 metres. To achieve a greater level of accuracy this 10 metre square would be divided into a grid 10 by 10 and the process repeated.

This would produce an 8 figure grid reference that would be accurate to a square metre!


CornerLatitudeLongitudeEastingNorthing
South West Corner54.889490-2.251022384000555000
South East Corner54.889490-2.235377385000555000
North West Corner54.898507-2.251022384000556000
North East Corner54.898507-2.235377385000556000