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The TG3125 Square Kilometre

TG3125 National Grid Square

Based in the Eastern English Region.

TG3125 is within the post town of North Walsham, Norfolk.

The square is within North Norfolk District council.

The Point of Origin (0,0) is 709.78 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for TG3125

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Map SerieslinkOrdnance Survey
Explorer 1:25,000 252 Norfolk Coast EastShop for this map on amazon.co.ukBuy Direct from the Ordnance Survey
Explorer 1:25,000 ol40 The BroadsShop for this map on amazon.co.ukBuy Direct from the Ordnance Survey
Landranger 1:50,000 133 North East NorfolkShop for this map on amazon.co.ukBuy Direct from the Ordnance Survey
Landranger 1:50,000 134 Norwich & The BroadsShop for this map on amazon.co.ukBuy Direct from the Ordnance Survey
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Key of Northings for the TG3125 National Grid Square
Map of the TG3125 National Grid Square
Key of Eastings for the TG3125 National Grid Square
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A historical Ordnance Survey Map Sheet showing Grid Square TG3125.

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 TG3125 and the vertical and horizontal line divides the square into four quadrants

Dividing the TG3125 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. TG , 31 and 25

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 TG + 31 + 3 + 25 + 5 would give you the six figure grid reference of TG313255

TG3125
TG313255

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 Corner52.7727411.423195631000325000
South East Corner52.7727411.438699632000325000
North West Corner52.7821431.423195631000326000
North East Corner52.7821431.438699632000326000