Levelling Homepage Ordnance Survey's
Levelling
of Great Britain
[1GL, 2GL Abstract]
[1GL, 2GL Transcription]
[Timeline]
[FBM List]
TrigTools

Fundamental Benchmarks List v6 Compiled by Ian Richardson

Columns: (Column Meanings) Units:

Fundamental Benchmarks Auxiliary Stations Tide Gauges Others
1GL 2GL 3GL None View 2GL and 3GL lines on map
A Bold OSRef means that the FBM has been resued as a OS Passive Station.
NameTLAGrid RefT:UKOSRefLast Visit1GL2GL3GLType of MarkNearest FBM/Aux
\/\/\/\/\/\/\/\/\/\/\/
Wicken FBMWKNTL 5420 7220n/a PriPriFBM
Cockermouth FBMCOCNY 1382 3451n/an/a SecPriFBM
Hibaldstow FBMHIBSE 9598 0191n/a PriPriFBM
Laxford Bridge FBMLAXNC235467n/aH1NC2346 13/07/95PriPriFBM
Govan FBMGOVNS547647n/aH1NS5464 01/08/98PriPriFBM
North Pickenham FBMNPITF87270610TP0547H1TF8706 PD28/03/16SecPriFBM
Calbourne FBMCALSZ42558657TP7170H1SZ4286 D11/04/16PriFBMH2SZ4286
Gimingham FBMGIMTG27073669TP0548H1TG2736 PD01/05/16PriFBM
Bridge of Orchy FBMBORNN29513977TP7158H1NN2939 P21/05/16PriPriFBMH2NN2939
Greetland FBMGRESE06672116TP7234H1SE0621 PD27/12/16PriPriFBMH2SE0621
Wimborne FBMWIMST98810252TP0538H1ST9802 PD20/02/17PriPriFBM
Southampton Maybush FBMSOMSU38641488TP7210H1SU3814 27/03/17FBMFBM
Penhow FBMPNHST42619109TP7187H1ST4291 D11/04/17PriFBMH1ST4391
Isle of Thanet FBMIOTTR36166770TP0554H1TR3667 PD13/04/17PriFBM
Immingham FBMIMMTA17481509TP7253H1TA1715 PD14/04/17PriFBMH2TA1715
Stranraer FBMSTRNX05815556TP7218H1NX0555 PD14/04/17PriFBMH2NX0555
Partick FBMPARNS53886728TP7183H1NS5367 D07/05/17PriPriFBMH2NS5367
Freshwater FBMFRESZ33748574TP7223H1SZ3385 PD13/05/17PriFBMH1SZ3485
Ulverston FBMULVSD28887995TP7232H1SD2879 PD18/05/17SecPriFBMH2SD2879
St Andrews FBMSANNO53441489TP0497H1NO5314 P29/05/17PriPriFBM
Wicken (1984) FBMWK2TL54207220TP0549H1TL5472 PD05/06/17FBM
Clare FBMCLATL74554461TP7179H1TL7444 05/06/17PriPriFBMH2TL7444
Lampeter FBMLAMSN57985263TP0528H1SN5752 D06/07/17SecPriFBMH1SN5753
Waltham-on-the-Wolds FBMWOWSK81112539TP0527H1SK8125 PD06/07/17PriPriFBM
Countisbury FBMCOUSS75264960TP0535H1SS7549 PD13/07/17PriFBM
Kinghorn FBMKHONT27258842TP7138H1NT2788 D22/07/17PriPriFBMH2NT2788
Durness FBMDURNC43856570TP0476H1NC4365 PD24/07/17PriPriFBM
Kingsbridge FBMKBRSX74434319TP7140H1SX7443 PD24/07/17PriFBMH2SX7443
Bromsgrove FBMBROSO98676948TP7160H1SO9869 PD08/08/17PriPriFBMH2SO9869
High Boydston FBMHBONS22854538TP7249H1NS2245 10/08/17PriPriFBM
Loch Naver FBMLNANC67793919TP0478H1NC6739 D18/08/17PriPriFBM
Reay FBMREANC90026351TP0480H1NC9063 PD18/08/17PriPriFBM
Arundel FBMARUTQ00380980TP7144H1TQ0009 D19/08/17PriPriFBMH2TQ0009
Daresbury FBMDARSJ57738236TP0524H1SJ5782 PD24/08/17PriPriFBM
Castor FBMCASTL13019975TP7175H1TL1399 P28/08/17PriPriFBMH1TL1398
Dunlop FBMDUNNS41614962TP7204H1NS4149 PD01/09/17PriPriFBMH2NS4149
Fareham FBMFARSU61060716TP0542H1SU6107 PD09/09/17PriPriFBM
Dulverton FBMDULSS90462512TP7199H1SS9025 PD09/09/17PriPriFBMH2SS9025
Windsor Castle FBMWCASU97307697TP7252H1SU9776 PD10/09/17PriPriFBMH1SU9777
Paul FBMPAUSW45612710TP7186H1SW4527 PD11/09/17FBMPriFBMH2SW4527
Buntingford FBMBUNTL37142774TP7167H1TL3727 11/09/17PriPriFBM
Croydon FBMCRYTQ32396062TP7190H1TQ3260 PD11/09/17PriPriFBMH2TQ3260
Wye FBMWYETR06774653TP7255H1TR0646 D11/09/17SecPriFBMH2TR0646
Cranford FBMCRASP91847878TP0533H1SP9178 D11/09/17PriPriFBM
Madron FBMMADSW44963211TP7159H1SW4432 PD11/09/17FBMPriFBMH2SW4432
Troon FBMTROSW66303708TP7228H1SW6637 PD13/09/17PriPriFBMH1SW6537
Boscastle FBMBOSSX14459305TP7153H1SX1493 PD16/09/17PriPriFBMH1SX1492
Grampound FBMGRASW91654924TP7231H1SW9149 PD18/09/17PriPriFBMH2SW9149
Sancreed FBMSNCSW41952947TP7200H1SW4129 PD19/09/17FBMPriFBMH2SW4129
Stafford FBMSTASJ94552873TP7214H1SJ9428 P23/09/17PriPriFBM
Helmsdale FBMHELND03621570TP7242H1ND0315 PD24/09/17PriPriFBMH2ND0315
Hibaldstow (1987) FBMHI2SE93940125TP7247H1SE9301 P02/10/17FBMH1SE9401
Glen Almond FBMGLANN89033135TP0494H1NN8931 PD06/10/17PriFBMFBM
Innerleithen FBMINNNT33924313TP0503H1NT3343 PD07/10/17PriPriFBM
Thornham FBMTHHTF73164270TP0546H1TF7342 PD08/10/17PriFBM
Duns Common FBMDUCNT76595522TP7206H1NT7655 08/10/17PriPriFBM
Rosyth FBMRSYNT11098233TP7197H1NT1182 D12/10/17PriPriFBMH1NT1082
Cardigan FBMCDGSN20894602TP7172H1SN2046 P12/10/17PriFBMH1SN2145
New Cumnock FBMNCUNS66741539TP0500H1NS6615 PD14/10/17PriPriFBM
Wester Broomhouse FBMWBRNT66517613TP0504H1NT6676 PD18/10/17PriPriFBM
Mordington FBMMORNT95195853TP0506H1NT9558 PD18/10/17PriPriFBM
Cowbridge FBMCOWSS96687567TP7185H1SS9675 PD18/10/17PriFBMH2SS9675
Dunbar East FBMDBENT68867848TP0505H1NT6878 PD18/10/17PriPriFBM
Yelverton FBMYELSX51646646TP7256H1SX5166 PD19/10/17PriPriFBMH2SX5166
Llandovery FBMLLASN77513270TP7149H1SN7732 19/10/17PriPriFBMH2SN7732
Southampton FBMSOUSU42071280TP0541H1SU4212 PD20/10/17PriPriFBM
Wetheral FBMWRLNY46025352TP7241H1NY4653 D29/10/17PriPriFBMH1NY4553
Belford FBMBELNU09603574TP7150H1NU0935 P05/11/17PriPriFBMH2NU0935
Thornford FBMTHFST59531270TP0536H1ST5912 PD05/11/17PriPriFBM
Sharpness FBMSHASO67710255TP7205H1SO6702 PD05/11/17PriPriFBMH2SO6702
Campden FBMCAMSP13703633TP7171H1SP1336 PD06/11/17PriPriFBMH1SP1437
Bridford FBMBRISX81198650TP0545H1SX8186 PD06/11/17PriPriFBM
Ledmore FBMLEDNC24531347TP0475H1NC2413 PD12/11/17PriPriFBM
Ullapool FBMULLNH12049536TP0484H1NH1295 PD12/11/17PriPriFBM
Connel FBMCNLNM88843392TP0491H1NM8833 PD13/11/17PriFBM
Church Stretton FBMCHSSO46719274TP0531H1SO4692 P14/11/17PriPriFBM
Carmarthen FBMCRMSN43402377TP7173H1SN4323 PD18/11/17PriPriFBMH2SN4323
Newtown FBMNTNSO10889367TP0530H1SO1093 P23/11/17SecPriFBM
Mickleby FBMMICNZ80111305TP7164H1NZ8013 P25/11/17PriFBMH1NZ7913
Necropolis FBMNECNS60646551TP7169H1NS6065 PD01/12/17PriPriFBMH2NS6065
Navenby FBMNAVTF01605928TP7168H1TF0159 PD09/12/17PriPriFBMH1TF0158
Snodland FBMSNOTQ68526280TP7208H1TQ6862 PD15/12/17SecPriFBMH1TQ6863
Torrington FBMTORSS48551938TP7225H1SS4819 PD19/12/17PriPriFBMH2SS4819
Aberystwyth FBMABRSN60647735TP0529H1SN6077 P27/12/17SecPriFBM
Bishopston FBMBISSS57438932TP0534H1SS5789 PD29/12/17PriFBM
Machynlleth FBMMCHSH75530052TP0521H1SH7500 PD02/01/18SecPriFBM
Kelso FBMKELNT75093179TP7137H1NT7531 PD02/01/18PriPriFBMH1NT7431
Hawick FBMHAWNT48931247TP7240H1NT4812 PD07/01/18PriPriFBMH2NT4812
Perth FBMPERNO15382287TP0496H1NO1522 PD31/01/18PriPriFBM
Kirkby Stephen FBMKISNY75040575TP0512H1NY7505 PD17/02/18PriPriFBM
Wolsingham FBMWOLNZ09063814TP0513H1NZ0938 PD17/02/18PriPriFBM
Abergavenny FBMABGSO32231414TP7139H1SO3214 PD23/02/18PriPriFBMH2SO3214
Dorchester FBMDRCSY69689052TP7196H1SY6990 P10/03/18PriPriFBMH1SY6989
Brampton Abbotts FBMBABSO60372666TP7156H1SO6026 12/03/18PriPriFBMH2SO6026
Lybster FBMLYBND25423645TP0481H1ND2536 PD18/03/18PriPriFBM
Milngavie FBMMLNNS55847692TP7165H1NS5576 PD22/03/18PriPriFBMH1NS5677
Buittle FBMBUINX81036020TP0509H1NX8160 PD24/03/18PriPriFBM
Dalry FBMDLRNX62518017TP7193H1NX6280 D24/03/18PriPriFBMH2NX6280
Corwar FBMCORNX28208109TP0507H1NX2881 PD24/03/18PriFBMFBM
Oswestry FBMOSWSJ27392422TP7182H1SJ2724 PD25/03/18PriPriFBMH2SJ2724
Moffat FBMMOFNT06390866TP7166H1NT0608 PD25/03/18PriPriFBMH2NT0608
Creetown FBMCRENX49555982TP0508H1NX4959 PD25/03/18PriPriFBM
Wrexham FBMWRESJ25645285TP7254H1SJ2552 D25/03/18PriPriFBMH2SJ2552
Basingstoke FBMBASSU64385180TP7147H1SU6451 PD25/03/18PriPriFBMH2SU6451
Edinburgh FBMEDINT28077395TP7213H1NT2873 PD26/03/18PriPriFBMH2NT2873
Linlithgow FBMLINNS96617492TP7145H1NS9674 D26/03/18PriPriFBMH2NS9674
Whitton Green North FBMWGNTM51899130TP7246H1TM5191 PD01/04/18PriFBM
Whitton Green South FBMWGSTM51879124TP7248H2TM5191 D01/04/18PriFBMH3TM5191
Lancaster FBMLANSD48796118TP7143H1SD4861 PD01/04/18SecPriFBMH1SD4961
East Harling FBMEHATL99638429TP0550H1TL9984 PD02/04/18SecPriFBM
Great Linford FBMGRLSP85014234TP7233H1SP8542 PD02/04/18PriPriFBMH1SP8442
Ipswich FBMIPSTM11074864TP0551H1TM1148 PD02/04/18PriPriFBM
Penrith FBMPNRNY47732832TP7188H1NY4728 PD02/04/18PriPriFBMH1NY4828
Ayr FBMAYRNS27511753TP0499H1NS2717 PD06/04/18PriPriFBM
Nuneaton FBMNUNSP34009318TP7180H1SP3493 PD06/04/18PriPriFBMH1SP3394
Glen Cluanie FBMGLCNH05851147TP0483H1NH0511 P06/04/18PriPriFBM
Brecon FBMBRESO05132905TP7157H1SO0529 PD07/04/18PriPriFBMH2SO0529
Tolcarne FBMTOLSW46142918TP7224H1SW4629 PD07/04/18PriPriFBMH2SW4629
Hatfield Peverel FBMHAPTL79061184TP7235H1TL7911 PD07/04/18PriFBMH1TL7912
Skipton FBMSKISD99605252TP7207H1SD9952 PD14/04/18PriPriFBMH1SE0052
Flax Bourton FBMFLBST51957112TP7221H1ST5171 PD14/04/18PriPriFBMH1ST5172
Warwick FBMWARSP28456488TP7236H1SP2864 PD16/04/18PriPriFBMH2SP2864
Alfriston FBMALFTQ50730093TP0552H1TQ5000 PD17/04/18PriPriFBM
Wasdale FBMWASNY12160426TP7238H1NY1204 PD18/04/18SecPriFBMH1NY1104
Guestling FBMGUETQ83801638TP0553H1TQ8316 PD19/04/18SecPriFBM
South Cave FBMSCVSE90903196TP7211H1SE9031 PD19/04/18PriPriFBMH1SE9132
Ecclefechan FBMECCNY19427673TP0510H1NY1976 PD19/04/18PriPriFBM
Flamborough FBMFLATA22577053TP7219H1TA2270 D20/04/18PriFBMH2TA2270
Matlock FBMMATSK30825889TP7161H1SK3058 PD23/04/18PriPriFBMH1SK3158
Bettyhill FBMBETNC70965744TP0479H1NC7057 PD23/04/18PriPriFBM
Liverpool FBMLVFSJ36159343TP0523H1SJ3693 D25/04/18PriPriFBM
Dornie FBMDRNNG88482584TP7198H1NG8825 PD25/04/18PriPriFBMH2NG8825
Beer FBMBEESY21478942TP7148H1SY2189 PD25/04/18PriPriFBMH2SY2189
Stirling FBMSTINS84189690TP7216H1NS8496 D28/04/18PriPriFBMH1NS8396
Macclesfield FBMMCCSJ94737440TP0525H1SJ9474 PD29/04/18PriPriFBM
Dunbar West FBMDBWNT66917894TP7201H1NT6678 PD29/04/18PriPriFBMH2NT6678
Thankerton FBMTHANS97163738TP0502H1NS9737 PD30/04/18PriPriFBM
Northallerton FBMNORSE42779362TP7174H1SE4293 PD01/05/18PriPriFBM
Buckland FBMBUCSU33549748TP0540H1SU3397 PD01/05/18PriPriFBM
Bulmer FBMBULSE70446789TP0518H1SE7067 P02/05/18PriPriFBM
Liskeard FBMLISSX22256355TP0544H1SX2263 PD03/05/18PriPriFBM
Elvanfoot FBMELVNS95961930TP0501H1NS9519 PD04/05/18PriPriFBM
Gourock FBMGOUNS23967747TP7230H1NS2377 PD05/05/18PriPriFBMH2NS2377
Hexham FBMHEXNY95976710TP7245H1NY9567 PD05/05/18PriPriFBMH1NY9667
Whittingehame FBMWHTNT57457277TP7244H1NT5772 PD05/05/18PriPriFBMH2NT5772
Aberdeen North FBMABNNJ94170964TP7136H1NJ9409 PD07/05/18PriPriFBMH2NJ9409
Broomhead Moor FBMBRMSK24539465TP0526H1SK2494 P09/05/18PriPriFBM
Tain FBMTAINH74408414TP7220H1NH7484 PD10/05/18PriPriFBMH2NH7484
Duncansby Head FBMDUHND37177149TP0482H1ND3771 P12/05/18PriPriFBM
Lochgilphead FBMLGINR87218512TP7151H1NR8785 12/05/18PriFBM
Longhorsley FBMLHONZ14559456TP0514H1NZ1494 PD13/05/18PriPriFBM
Wetherby FBMWBYSE34054717TP0517H1SE3447 PD13/05/18PriPriFBM
Aberdeen South FBMABSNJ96720568TP0489H1NJ9605 PD15/05/18PriPriFBM
Sapperton FBMSAPSO95040287TP7202H1SO9502 D17/05/18PriPriFBMH1SO9402
Hoghton FBMHIGSD61102567TP0515H1SD6125 D17/05/18SecPriFBM
Upton Lovell FBMUPLST95704242TP0537H1ST9542 PD18/05/18PriPriFBM
Tummel Bridge FBMTUMNN76355915TP7229H1NN7659 D18/05/18PriPriFBMH2NN7659
Daventry FBMDVESP58046290TP7195H1SP5862 PD19/05/18PriPriFBMH1SP5763
Hemel Hempstead FBMHEHTL06600945TP7243H1TL0609 PD19/05/18PriPriFBMH2TL0609
Banchory FBMBANNO60209799TP7146H1NO6097 PD19/05/18PriFBMFBMH1NO5999
Dyserth FBMDYSSJ06478024TP7209H1SJ0680 D22/05/18SecPriFBMH2SJ0680
Holyhead FBMHLHSH24118282TP0519H1SH2482 PD23/05/18FBMFBM
Caernarfon FBMCRNSH48005457TP0520H1SH4854 PD24/05/18SecPriFBM
Trawsfynydd FBMTRWSH70663642TP7226H1SH7036 PD26/05/18SecPriFBMH2SH7036
Haverfordwest FBMHAVSM96731574TP7239H1SM9615 28/05/18PriFBMH1SM9715
Arrochar FBMARRNN30600426TP7142H1NN3004 PD29/05/18PriPriFBMH2NN3104
Loch Leven FBMLLENN05886020TP7152H1NN0560 PD29/05/18PriPriFBMH2NN0560
Crianlarich FBMCRINN41302576TP7189H1NN4125 31/05/18PriFBMH2NN4125
Bowling FBMBOWNS44917376TP7154H1NS4473 D31/05/18PriPriFBMH1NS4573
Forcett FBMFORNZ17571235TP7222H1NZ1712 PD03/06/18PriPriFBMH2NZ1712
Conwy FBMCONSH75527747TP0522H1SH7577 PD05/06/18SecPriFBM
Dalwhinnie FBMDLWNN67369031TP0493H1NN6790 P08/06/18PriPriFBM
Rhynie FBMRHYNJ49382564TP7194H1NJ4925 PD08/06/18PriPriFBM
Braemar FBMBMRNO17029176TP7155H1NO1791 PD09/06/18PriPriFBMH1NO1592
Glenshee FBMGLSNO14036062TP0495H1NO1460 PD09/06/18PriPriFBM
Newcastleton FBMNCLNY46548794TP0511H1NY4687 PD09/06/18PriPriFBM
Contin FBMCNTNH46395576TP7181H1NH4655 PD10/06/18PriPriFBMH2NH4655
Achnasheen FBMACHNH15875844TP0485H1NH1558 PD10/06/18PriPriFBM
North Petherton FBMNPEST28493328TP7176H1ST2833 PD10/06/18PriPriFBMH2ST2833
Elgin FBMELGNJ17236328TP7215H1NJ1763 PD11/06/18PriPriFBMH2NJ1763
Great Bedwyn FBMGBESU27826453TP0539H1SU2764 PD12/06/18SecPriFBM
Buchan Ness FBMBCNNK12834175TP7163H1NK1241 12/06/18PriPriFBM
Scorguie FBMSCONH64574633TP7203H1NH6446 PD12/06/18PriPriFBMH2NH6446
Suckley FBMSUCSO72105451TP0532H1SO7254 PD12/06/18PriPriFBM
Portsoy FBMPTSNJ57456525TP7191H1NJ5765 D12/06/18PriPriFBMH2NJ5765
Loch Tarff FBMLTANH42210948TP0486H1NH4209 PD12/06/18PriFBM
Glen Moriston FBMGLMNH41911659TP7227H1NH4116 PD12/06/18PriFBMH2NH4216
Lairg FBMLAINC57230764TP0477H1NC5707 PD12/06/18PriPriFBM
Rosehearty FBMRSHNJ92216653TP0488H1NJ9266 PD12/06/18PriPriFBM
Daviot FBMDVINH72474119TP0487H1NH7241 PD12/06/18PriPriFBM
Spean Bridge FBMSPBNN21078216TP0492H1NN2182 PD12/06/18PriPriFBM
Arbirlot FBMARBNO58774002TP7141H1NO5840 D13/06/18PriPriFBMH2NO5940
Laurencekirk FBMLAUNO72547231TP0498H1NO7272 D13/06/18PriPriFBM
Tobermory FBMTOBNM50655582TP0490H1NM5055 PD15/06/18PriFBM
Wallingford FBMWALSU62488819TP0543H1SU6288 PD15/06/18PriPriFBM
Winchester FBMWINSU50412942TP7251H1SU5029 PD16/06/18PriPriFBMH1SU4929
Ribblesdale FBMRIBSD78287382TP0516H1SD7873 PD16/06/18PriPriFBM
Melbourne FBMMELSK36432419TP7162H1SK3624 D16/06/18PriPriFBMH2SK3624
Patrington FBMPATTA31552249TP7184H1TA3122 D17/06/18PriFBMH2TA3122

This list is believed to be as complete as possible, it has been compiled from the many diagrams available of the various levellings, as well as current websites.

Please let us know if you make use of this data, we'ed be interested to know.

Back to Levelling Page