The TQ2257 Square Kilometre

TQ2257 National Grid Square

Based in the South East English Region.

The TQ2257 square kilometre intersects with the settlements of Great Burgh & Tadworth.

TQ2257 is within the post towns of Epsom, Surrey & Tadworth, Surrey.

The square is within Epsom and Ewell District & Reigate and Banstead District councils.

The Point of Origin (0,0) is 545.10 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for TQ2257

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Map Series	link	Ordnance Survey
Explorer 1:25,000 146 Dorking, Box Hill and Reigate	Shop for this map on amazon.co.uk	Buy Direct from the Ordnance Survey
Landranger 1:50,000 187 Dorking & Reigate	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 TQ2257 and the vertical and horizontal line divides the square into four quadrants

Dividing the TQ2257 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 , 22 and 57

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 + 22 + 3 + 57 + 5 would give you the six figure grid reference of TQ223575

TQ	22		57
TQ	22	3	57	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	51.298845	-0.251434	522000	157000
South East Corner	51.298845	-0.236753	523000	157000
North West Corner	51.308048	-0.251434	522000	158000
North East Corner	51.308048	-0.236753	523000	158000