The TL4306 Square Kilometre

TL4306 National Grid Square

Based in the Eastern English Region.

The TL4306 square kilometre intersects with the settlement of Harlow.

TL4306 is within the post towns of Epping, Essex, Harlow, Essex & Waltham Abbey, Essex.

The square is within Epping Forest District & Harlow District councils.

The Point of Origin (0,0) is 580.76 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for TL4306

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Map Series	link	Ordnance Survey
Explorer 1:25,000 174 Epping Forest & Lee Valley	Shop for this map on amazon.co.uk	Buy Direct from the Ordnance Survey
Landranger 1:50,000 167 Chelmsford	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 TL4306 and the vertical and horizontal line divides the square into four quadrants

Dividing the TL4306 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 , 43 and 06

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 + 43 + 3 + 06 + 5 would give you the six figure grid reference of TL433065

TL	43		06
TL	43	3	06	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	51.734225	0.069454	543000	206000
South East Corner	51.734225	0.084338	544000	206000
North West Corner	51.743466	0.069454	543000	207000
North East Corner	51.743466	0.084338	544000	207000