The ST2042 Square Kilometre

ST2042 National Grid Square

Based in the South West English Region.

The ST2042 square kilometre intersects with the settlement of Stogursey.

ST2042 is within the post town of Bridgwater, Somerset.

The square is within Somerset West and Taunton District council.

The Point of Origin (0,0) is 350.09 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for ST2042

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Map Series	link	Ordnance Survey
Explorer 1:25,000 140 Quantock Hills and Bridgwater	Shop for this map on amazon.co.uk	Buy Direct from the Ordnance Survey
Explorer 1:25,000 153 Weston-Super-Mare and Bleadon Hill	Shop for this map on amazon.co.uk	Buy Direct from the Ordnance Survey
Landranger 1:50,000 182 Weston-super-Mare & Bridgwater	Shop for this map on amazon.co.uk

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 ST2042 and the vertical and horizontal line divides the square into four quadrants

Dividing the ST2042 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. ST , 20 and 42

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 ST + 20 + 3 + 42 + 5 would give you the six figure grid reference of ST203425

ST	20		42
ST	20	3	42	5

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!

Corner	Latitude	Longitude	Easting	Northing
South West Corner	51.171619	-3.145917	320000	142000
South East Corner	51.171619	-3.131394	321000	142000
North West Corner	51.180749	-3.145917	320000	143000
North East Corner	51.180749	-3.131394	321000	143000