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Croydon Fundamental Bench Mark   


Location
Grid reference: TQ 3239 6062.
Landranger 176: West London, Rickmansworth & Staines.
Landranger 177: East London, Billericay & Gravesend.
Landranger 187: Dorking, Reigate & Crawley area.
Explorer 161: London South.
GPS network passive station: H1TQ3260.
Waypoint: FM7190.

Neighbouring Flush Brackets
2638 Riddlesdown, Godstone Road 344.09m to the southwest.
2637 Kenley 1.19km to the southeast.
2751 Purley, 12 Brighton Road 1.53km to the northwest.
G1702 Purley Oaks 1.58km to the north.
G1701 Sanderstead Court 1.99km to the northeast.
The nearest fundamental bench mark is Snodland, 36.20km to the east.

Second Geodetic Levelling, England & Wales (1912-21)
This fundamental bench mark was used during the Second geodetic levelling, England & Wales, and was levelled with a height of 449.2420 feet [136.9290 metres] above mean sea level (Newlyn datum). It was included on the Alfriston to Croydon and Croydon to Windsor Castle levelling lines.

Second Geodetic Levelling, England & Wales (1946-51)
This fundamental bench mark was used during the Second geodetic levelling, England & Wales, and was levelled with a height of 449.2420 feet [136.9290 metres] above mean sea level (Newlyn datum). It was included on the Alfriston to Croydon, Croydon to Snodland and Hatfield Peverel to Croydon levelling lines.

Third Geodetic Levelling, England & Wales (1950-68)
This fundamental bench mark was used during the Third geodetic levelling, England & Wales, and was levelled with a height of 449.2420 feet [136.9290 metres] above mean sea level (Newlyn datum). It was included on the Arundel to Croydon, Basingstoke to Croydon, Croydon to Alfriston, Croydon to Buntingford, Snodland to Croydon and Windsor Castle to Croydon levelling lines.

Logged Visits
Visited on 8th September 2016 by Dugswell2. Grid reference: TQ 3239 6062. Condition: Good.
Sitting well in playpen with height tag retained.

Visited on 20th July 2016 by jonglew. Grid reference: TQ 32392 60624. Condition: Good.
On Riddlesdown within 'playpen' railings. Height tag has been retained. Photos at:
http://www.jonglew.com/Walking/Benchmarks/2016/20160720-CroydonFBMGreaterLondon1.jpg
http://www.jonglew.com/Walking/Benchmarks/2016/20160720-CroydonFBMGreaterLondon2.jpg
http://www.jonglew.com/Walking/Benchmarks/2016/20160720-CroydonFBMGreaterLondon3.jpg

Visited on 26th December 2015 by Orlandos_Rat. Condition: Good.
All in great condition. Nice to see.

Visited on 8th November 2005 by Calico. Condition: Good.

Visited on 15th September 2005 by Griefmiester. Condition: Good.
Located within small fence just in side park enterance, appears to be in good condition, hight marker shows 449.24ft above sea level
If you have any corrections or additions to this record, please let us know.
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