The TL0138 Square Kilometre

TL0138 National Grid Square

Based in the Eastern English Region.

The TL0138 square kilometre intersects with the settlement of Millbrook.

TL0138 is within the post town of Bedford, Bedfordshire.

The square is within Central Bedfordshire council.

The Point of Origin (0,0) is 554.66 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for TL0138

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Map Series	link	Ordnance Survey
Explorer 1:25,000 193 Luton and Stevenage	Shop for this map on amazon.co.uk	Buy Direct from the Ordnance Survey
Explorer 1:25,000 208 Bedford and St.Neots, Sandy and Biggleswade	Shop for this map on amazon.co.uk
Landranger 1:50,000 153 Bedford & Huntingdon	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 TL0138 and the vertical and horizontal line divides the square into four quadrants

Dividing the TL0138 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 , 01 and 38

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 + 01 + 3 + 38 + 5 would give you the six figure grid reference of TL013385

TL	01		38
TL	01	3	38	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	52.031050	-0.529149	501000	238000
South East Corner	52.031050	-0.514280	502000	238000
North West Corner	52.040221	-0.529149	501000	239000
North East Corner	52.040221	-0.514280	502000	239000