The TL5635 Square Kilometre

TL5635 National Grid Square

Based in the Eastern English Region.

TL5635 is within the post town of Saffron Walden, Essex.

The square is within Uttlesford District council.

The Point of Origin (0,0) is 603.62 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for TL5635

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Map Series	link	Ordnance Survey
Explorer 1:25,000 195 Braintree and Saffron Walden	Shop for this map on amazon.co.uk	Buy Direct from the Ordnance Survey
Landranger 1:50,000 154 Cambridge & Newmarket	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 TL5635 and the vertical and horizontal line divides the square into four quadrants

Dividing the TL5635 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. TL , 56 and 35

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 TL + 56 + 3 + 35 + 5 would give you the six figure grid reference of TL563355

TL	56		35
TL	56	3	35	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	51.991272	0.270643	556000	235000
South East Corner	51.991272	0.285653	557000	235000
North West Corner	52.000537	0.270643	556000	236000
North East Corner	52.000537	0.285653	557000	236000