The TQ3683 Square Kilometre

TQ3683 National Grid Square

Based in the London English Region.

The TQ3683 square kilometre intersects with the settlements of Bethnal Green,Bow,Hackney & Old Ford.

TQ3683 is within the post town of London, Middlesex.

The square is within Hackney London Boro & Tower Hamlets London Boro councils.

The Point of Origin (0,0) is 566.38 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for TQ3683

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Map Series	link	Ordnance Survey
Explorer 1:25,000 162 Greenwich and Gravesend	Shop for this map on amazon.co.uk	Buy Direct from the Ordnance Survey
Explorer 1:25,000 173 London North, The City, West End, Enfield, Ealing, Harrow & Watford	Shop for this map on amazon.co.uk	Buy Direct from the 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 1:50,000 177 East London	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 TQ3683 and the vertical and horizontal line divides the square into four quadrants

Dividing the TQ3683 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. TQ , 36 and 83

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 TQ + 36 + 3 + 83 + 5 would give you the six figure grid reference of TQ363835

TQ	36		83
TQ	36	3	83	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	51.529299	-0.040775	536000	183000
South East Corner	51.529299	-0.025979	537000	183000
North West Corner	51.538526	-0.040775	536000	184000
North East Corner	51.538526	-0.025979	537000	184000