The SS4444 Square Kilometre

SS4444 National Grid Square

Based in the South West English Region.

SS4444 is within the post town of Woolacombe, Devon.

The square is within North Devon District council.

The Point of Origin (0,0) is 283.32 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for SS4444

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Map Series	link	Ordnance Survey
Explorer 1:25,000 139 Bideford, Ilfracombe and Barnstaple	Shop for this map on amazon.co.uk	Buy Direct from the Ordnance Survey
Landranger 1:50,000 180 Barnstaple and Ilfracombe	Shop for this map on amazon.co.uk	Buy Direct from the Ordnance Survey

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 SS4444 and the vertical and horizontal line divides the square into four quadrants

Dividing the SS4444 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. SS , 44 and 44

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 SS + 44 + 3 + 44 + 5 would give you the six figure grid reference of SS443445

SS	44		44
SS	44	3	44	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	51.173900	-4.233433	244000	144000
South East Corner	51.173900	-4.218705	245000	144000
North West Corner	51.183157	-4.233433	244000	145000
North East Corner	51.183157	-4.218705	245000	145000