British National Grid

E112713
coordinate reference system projected coordinate system

The British National Grid is the Ordnance Survey’s coordinate reference system used to map and locate positions across Great Britain with high precision.

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All labels observed (7)

Label Occurrences
British National Grid canonical 16
Ordnance Survey National Grid 4
British National Grid (OSGB36) 2

Statements (48)

Predicate Object
instanceOf coordinate reference system ⓘ
projected coordinate system ⓘ
alsoKnownAs National Grid ⓘ
surface form: National Grid (Great Britain)

OS National Grid ⓘ
approximateIntroductionPeriod mid 20th century ⓘ
basedOnDatum Ordnance Survey National Grid ⓘ
surface form: OSGB36
centralMeridian 2 degrees West ⓘ
coordinateOrder easting then northing ⓘ
country Great Britain ⓘ
coversTerritory England ⓘ
Scotland ⓘ
Wales ⓘ
excludesTerritory Channel Islands (crown dependencies) ⓘ
surface form: Channel Islands

Isle of Man (crown dependency) ⓘ
surface form: Isle of Man

Northern Ireland ⓘ
falseEasting 400000 metres ⓘ
falseNorthing -100000 metres ⓘ
gridReferenceFormat alphanumeric grid reference ⓘ
gridSquareSystem 100 km lettered grid squares ⓘ
gridUnit metre ⓘ
gridZoneDesignation single national grid zone ⓘ
hasEPSGCode 27700 ⓘ
introducedBy Ordnance Survey ⓘ
latitudeOfOrigin 49 degrees North ⓘ
maintainedBy Ordnance Survey ⓘ
mapSeriesUsingSystem Ordnance Survey Explorer maps ⓘ
OS Landranger ⓘ
surface form: Ordnance Survey Landranger maps
projectionType Transverse Mercator ⓘ
region Europe ⓘ
relatedTo British National Grid self-linksurface differs ⓘ
surface form: OSGB36 geodetic datum
replacedSystem Cassini grid systems used by Ordnance Survey ⓘ
requiresTransformationTo WGS84 ⓘ
scaleFactorAtCentralMeridian 0.9996012717 ⓘ
supportsPrecisionLevels 1 km grid reference ⓘ
1 m grid reference ⓘ
10 m grid reference ⓘ
100 m grid reference ⓘ
typicalPrecision 1 metre or better ⓘ
typicalTransformationMethod Helmert transformation ⓘ
usedBy Ordnance Survey ⓘ
usedFor engineering surveying ⓘ
land registration ⓘ
navigation on Ordnance Survey maps ⓘ
topographic mapping ⓘ
usedInDiscipline cartography ⓘ
geodesy ⓘ
geographic information systems ⓘ
usesEllipsoid Airy 1830 ellipsoid ⓘ

Referenced by (28)

Full triples — surface form annotated when it differs from this entity's canonical label.

Snaefell → gridReferenceSystem → British National Grid ⓘ
Fetlar → gridReferenceSystem → British National Grid ⓘ
this entity surface form: Ordnance Survey National Grid
Gunnersbury Cemetery → hasCoordinateSystem → British National Grid ⓘ
OS Landranger 41 → projection → British National Grid ⓘ
OS Landranger 41 → coordinateSystem → British National Grid ⓘ
this entity surface form: Ordnance Survey National Grid
OS Explorer 392 → usesProjection → British National Grid ⓘ
OS Explorer 392 → gridSystem → British National Grid ⓘ
this entity surface form: Ordnance Survey National Grid
Thames Head → gridReferenceSystem → British National Grid ⓘ
this entity surface form: Ordnance Survey National Grid
Birdoswald Roman Fort → gridReferenceSystem → British National Grid ⓘ
Southside, 105 Victoria Street, London → hasCoordinateSystem → British National Grid ⓘ
this entity surface form: British National Grid (implied)
RAFHIGHWYCOMBE → hasCoordinateSystem → British National Grid ⓘ
subject surface form: RAF High Wycombe
this entity surface form: British National Grid reference system
Irish grid reference system → relatedTo → British National Grid ⓘ
British National Grid → relatedTo → British National Grid self-linksurface differs ⓘ
this entity surface form: OSGB36 geodetic datum
OS Explorer OL6 → hasGrid → British National Grid ⓘ
OS Explorer OL6 → usesProjection → British National Grid ⓘ
this entity surface form: OSGB36
Ordnance Survey → usesCoordinateSystem → British National Grid ⓘ
Ordnance Survey → developed → British National Grid ⓘ
Ordnance Survey National Grid (approximate) → approximateEquivalent → British National Grid ⓘ
subject surface form: Ordnance Survey National Grid
Royal Artillery Barracks → hasCoordinateSystem → British National Grid ⓘ
this entity surface form: British National Grid reference system
Bridge Street → hasCoordinateSystem → British National Grid ⓘ
Crouch Oak tree → hasCoordinateSystem → British National Grid ⓘ
this entity surface form: British National Grid (implied)
Regent Street, Cambridge → hasCoordinateSystem → British National Grid ⓘ
this entity surface form: British National Grid (OSGB36)
OS Landranger → mapProjection → British National Grid ⓘ
Leadenhall Street → hasCoordinateSystem → British National Grid ⓘ
Cheapside, City of London → hasCoordinateSystem → British National Grid ⓘ
this entity surface form: British National Grid (OSGB36)
Argyll Street → hasCoordinateSystem → British National Grid ⓘ
Ordnance Survey National Grid → alsoKnownAs → British National Grid ⓘ
Brading Roman Villa → coordinateSystem → British National Grid ⓘ