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
/\\/\/\/\/\/\/\/\/\/\/
Yelverton FBMYELSX51646646TP7256H1SX5166 PD30/03/19PriPriFBMH2SX5166
Wye FBMWYETR06774653TP7255H1TR0646 D14/02/21SecPriFBMH2TR0646
Wrexham FBMWRESJ25645285TP7254H1SJ2552 D22/10/21PriPriFBMH2SJ2552
Wolsingham FBMWOLNZ09063814TP0513H1NZ0938 PD18/11/21PriPriFBM
Windsor Castle FBMWCASU97307697TP7252H1SU9776 PD16/05/21PriPriFBMH1SU9777
Winchester FBMWINSU50412942TP7251H1SU5029 PD18/09/20PriPriFBMH1SU4929
Wimborne FBMWIMST98810252TP0538H1ST9802 PD14/10/21PriPriFBM
Wicken FBMWKNTL 5420 7220n/a PriPriFBM
Wicken (1984) FBMWK2TL54207220TP0549H1TL5472 PD31/10/21FBM
Whitton Green South FBMWGSTM51879124TP7248H2TM5191 D14/07/20PriFBMH3TM5191
Whitton Green North FBMWGNTM51899130TP7246H1TM5191 PD14/07/20PriFBM
Whittingehame FBMWHTNT57457277TP7244H1NT5772 PD17/07/21PriPriFBMH2NT5772
Wetherby FBMWBYSE34054717TP0517H1SE3447 PD20/10/21PriPriFBM
Wetheral FBMWRLNY46025352TP7241H1NY4653 D01/11/21PriPriFBMH1NY4553
Wester Broomhouse FBMWBRNT66517613TP0504H1NT6676 PD17/07/21PriPriFBM
Wasdale FBMWASNY12160426TP7238H1NY1204 PD22/09/21SecPriFBMH1NY1104
Warwick FBMWARSP28456488TP7236H1SP2864 PD08/09/21PriPriFBMH2SP2864
Waltham-on-the-Wolds FBMWOWSK81112539TP0527H1SK8125 PD19/04/21PriPriFBM
Wallingford FBMWALSU62488819TP0543H1SU6288 PD22/07/20PriPriFBM
Upton Lovell FBMUPLST95704242TP0537H1ST9542 PD05/09/21PriPriFBM
Ulverston FBMULVSD28887995TP7232H1SD2879 PD21/10/21SecPriFBMH2SD2879
Ullapool FBMULLNH12049536TP0484H1NH1295 PD19/05/21PriPriFBM
Tummel Bridge FBMTUMNN76355915TP7229H1NN7659 D16/10/20PriPriFBMH2NN7659
Troon FBMTROSW66303708TP7228H1SW6637 PD26/10/21PriPriFBMH1SW6537
Trawsfynydd FBMTRWSH70663642TP7226H1SH7036 PD17/11/21SecPriFBMH2SH7036
Torrington FBMTORSS48551938TP7225H1SS4819 PD09/08/21PriPriFBMH2SS4819
Tolcarne FBMTOLSW46142918TP7224H1SW4629 PD27/10/21PriPriFBMH2SW4629
Tobermory FBMTOBNM50655582TP0490H1NM5055 PD07/09/20PriFBM
Thornham FBMTHHTF73164270TP0546H1TF7342 PD15/05/21PriFBM
Thornford FBMTHFST59531270TP0536H1ST5912 PD08/10/21PriPriFBM
Thankerton FBMTHANS97163738TP0502H1NS9737 PD01/03/20PriPriFBM
Tain FBMTAINH74408414TP7220H1NH7484 PD17/07/21PriPriFBMH2NH7484
Suckley FBMSUCSO72105451TP0532H1SO7254 PD20/10/21PriPriFBM
Stranraer FBMSTRNX05815556TP7218H1NX0555 PD01/06/19PriFBMH2NX0555
Stirling FBMSTINS84189690TP7216H1NS8496 D23/06/19PriPriFBMH1NS8396
Stafford FBMSTASJ94552873TP7214H1SJ9428 P05/06/21PriPriFBM
St Andrews FBMSANNO53441489TP0497H1NO5314 P10/09/21PriPriFBM
Spean Bridge FBMSPBNN21078216TP0492H1NN2182 PD19/06/21PriPriFBM
Southampton Maybush FBMSOMSU38641488TP7210H1SU3814 12/07/21FBMFBM
Southampton FBMSOUSU42071280TP0541H1SU4212 PD11/11/21PriPriFBM
South Cave FBMSCVSE90903196TP7211H1SE9031 PD10/11/21PriPriFBMH1SE9132
Snodland FBMSNOTQ68526280TP7208H1TQ6862 PD21/03/21SecPriFBMH1TQ6863
Skipton FBMSKISD99605252TP7207H1SD9952 PD20/10/21PriPriFBMH1SE0052
Sharpness FBMSHASO67710255TP7205H1SO6702 PD24/06/20PriPriFBMH2SO6702
Scorguie FBMSCONH64574633TP7203H1NH6446 PD04/06/21PriPriFBMH2NH6446
Sapperton FBMSAPSO95040287TP7202H1SO9502 D01/10/21PriPriFBMH1SO9402
Sancreed FBMSNCSW41952947TP7200H1SW4129 PD27/10/21FBMPriFBMH2SW4129
Rosyth FBMRSYNT11098233TP7197H1NT1182 D25/07/21PriPriFBMH1NT1082
Rosehearty FBMRSHNJ92216653TP0488H1NJ9266 PD04/06/21PriPriFBM
Ribblesdale FBMRIBSD78287382TP0516H1SD7873 PD31/08/20PriPriFBM
Rhynie FBMRHYNJ49382564TP7194H1NJ4925 PD02/08/20PriPriFBM
Reay FBMREANC90026351TP0480H1NC9063 PD04/08/19PriPriFBM
Portsoy FBMPTSNJ57456525TP7191H1NJ5765 D25/07/21PriPriFBMH2NJ5765
Perth FBMPERNO15382287TP0496H1NO1522 PD20/07/21PriPriFBM
Penrith FBMPNRNY47732832TP7188H1NY4728 PD12/09/20PriPriFBMH1NY4828
Penhow FBMPNHST42619109TP7187H1ST4291 D11/09/21PriFBMH1ST4391
Paul FBMPAUSW45612710TP7186H1SW4527 PD27/10/21FBMPriFBMH2SW4527
Patrington FBMPATTA31552249TP7184H1TA3122 D30/03/21PriFBMH2TA3122
Partick FBMPARNS53886728TP7183H1NS5367 D08/10/20PriPriFBMH2NS5367
Oswestry FBMOSWSJ27392422TP7182H1SJ2724 PD20/09/21PriPriFBMH2SJ2724
Nuneaton FBMNUNSP34009318TP7180H1SP3493 PD18/08/20PriPriFBMH1SP3394
Northallerton FBMNORSE42779362TP7174H1SE4293 PD08/10/21PriPriFBM
North Pickenham FBMNPITF87270610TP0547H1TF8706 PD23/07/21SecPriFBM
North Petherton FBMNPEST28493328TP7176H1ST2833 PD26/10/21PriPriFBMH2ST2833
Newtown FBMNTNSO10889367TP0530H1SO1093 P28/09/20SecPriFBM
Newcastleton FBMNCLNY46548794TP0511H1NY4687 PD07/10/21PriPriFBM
New Cumnock FBMNCUNS66741539TP0500H1NS6615 PD28/10/18PriPriFBM
Necropolis FBMNECNS60646551TP7169H1NS6065 PD08/10/20PriPriFBMH2NS6065
Navenby FBMNAVTF01605928TP7168H1TF0159 PD18/10/19PriPriFBMH1TF0158
Mordington FBMMORNT95195853TP0506H1NT9558 PD20/06/21PriPriFBM
Moffat FBMMOFNT06390866TP7166H1NT0608 PD03/04/21PriPriFBMH2NT0608
Milngavie FBMMLNNS55847692TP7165H1NS5576 PD14/08/19PriPriFBMH1NS5677
Mickleby FBMMICNZ80111305TP7164H1NZ8013 P28/10/21PriFBMH1NZ7913
Melbourne FBMMELSK36432419TP7162H1SK3624 D21/06/21PriPriFBMH2SK3624
Matlock FBMMATSK30825889TP7161H1SK3058 PD23/08/21PriPriFBMH1SK3158
Madron FBMMADSW44963211TP7159H1SW4432 PD27/10/21FBMPriFBMH2SW4432
Machynlleth FBMMCHSH75530052TP0521H1SH7500 PD30/06/21SecPriFBM
Macclesfield FBMMCCSJ94737440TP0525H1SJ9474 PD07/09/21PriPriFBM
Lybster FBMLYBND25423645TP0481H1ND2536 PD31/12/19PriPriFBM
Longhorsley FBMLHONZ14559456TP0514H1NZ1494 PD03/10/21PriPriFBM
Lochgilphead FBMLGINR87218512TP7151H1NR8785 26/09/19PriFBM
Loch Tarff FBMLTANH42210948TP0486H1NH4209 PD24/11/19PriFBM
Loch Naver FBMLNANC67793919TP0478H1NC6739 D13/11/20PriPriFBM
Loch Leven FBMLLENN05886020TP7152H1NN0560 PD17/02/20PriPriFBMH2NN0560
Llandovery FBMLLASN77513270TP7149H1SN7732 11/09/21PriPriFBMH2SN7732
Liverpool FBMLVFSJ36159343TP0523H1SJ3693 D22/10/21PriPriFBM
Liskeard FBMLISSX22256355TP0544H1SX2263 PD15/07/20PriPriFBM
Linlithgow FBMLINNS96617492TP7145H1NS9674 D27/10/19PriPriFBMH2NS9674
Ledmore FBMLEDNC24531347TP0475H1NC2413 PD22/09/19PriPriFBM
Laxford Bridge FBMLAXNC235467n/aH1NC2346 13/07/95PriPriFBM
Laurencekirk FBMLAUNO72547231TP0498H1NO7272 D25/10/21PriPriFBM
Lancaster FBMLANSD48796118TP7143H1SD4861 PD08/05/21SecPriFBMH1SD4961
Lampeter FBMLAMSN57985263TP0528H1SN5752 D06/07/21SecPriFBMH1SN5753
Lairg FBMLAINC57230764TP0477H1NC5707 PD09/08/20PriPriFBM
Kirkby Stephen FBMKISNY75040575TP0512H1NY7505 PD19/03/20PriPriFBM
Kingsbridge FBMKBRSX74434319TP7140H1SX7443 PD11/11/20PriFBMH2SX7443
Kinghorn FBMKHONT27258842TP7138H1NT2788 D14/05/21PriPriFBMH2NT2788
Kelso FBMKELNT75093179TP7137H1NT7531 PD12/10/21PriPriFBMH1NT7431
Isle of Thanet FBMIOTTR36166770TP0554H1TR3667 PD06/11/19PriFBM
Ipswich FBMIPSTM11074864TP0551H1TM1148 PD10/03/20PriPriFBM
Innerleithen FBMINNNT33924313TP0503H1NT3343 PD14/08/21PriPriFBM
Immingham FBMIMMTA17481509TP7253H1TA1715 PD13/10/21PriFBMH2TA1715
Holyhead FBMHLHSH24118282TP0519H1SH2482 PD13/11/21FBMFBM
Hoghton FBMHIGSD61102567TP0515H1SD6125 D13/04/21SecPriFBM
High Boydston FBMHBONS22854538TP7249H1NS2245 10/08/17PriPriFBM
Hibaldstow FBMHIBSE 9598 0191n/a PriPriFBM
Hibaldstow (1987) FBMHI2SE93940125TP7247H1SE9301 P01/01/20FBMH1SE9401
Hexham FBMHEXNY95976710TP7245H1NY9567 PD09/05/21PriPriFBMH1NY9667
Hemel Hempstead FBMHEHTL06600945TP7243H1TL0609 PD28/07/20PriPriFBMH2TL0609
Helmsdale FBMHELND03621570TP7242H1ND0315 PD16/09/20PriPriFBMH2ND0315
Hawick FBMHAWNT48931247TP7240H1NT4812 PD02/10/20PriPriFBMH2NT4812
Haverfordwest FBMHAVSM96731574TP7239H1SM9615 29/06/21PriFBMH1SM9715
Hatfield Peverel FBMHAPTL79061184TP7235H1TL7911 PD21/07/19PriFBMH1TL7912
Guestling FBMGUETQ83801638TP0553H1TQ8316 PD15/10/21SecPriFBM
Greetland FBMGRESE06672116TP7234H1SE0621 PD31/08/21PriPriFBMH2SE0621
Great Linford FBMGRLSP85014234TP7233H1SP8542 PD28/07/20PriPriFBMH1SP8442
Great Bedwyn FBMGBESU27826453TP0539H1SU2764 PD05/10/21SecPriFBM
Grampound FBMGRASW91654924TP7231H1SW9149 PD20/06/21PriPriFBMH2SW9149
Govan FBMGOVNS547647n/aH1NS5464 01/08/98PriPriFBM
Gourock FBMGOUNS23967747TP7230H1NS2377 PD16/02/20PriPriFBMH2NS2377
Glenshee FBMGLSNO14036062TP0495H1NO1460 PD25/06/19PriPriFBM
Glen Moriston FBMGLMNH41911659TP7227H1NH4116 PD09/07/19PriFBMH2NH4216
Glen Cluanie FBMGLCNH05851147TP0483H1NH0511 P31/07/20PriPriFBM
Glen Almond FBMGLANN89033135TP0494H1NN8931 PD30/11/19PriFBMFBM
Gimingham FBMGIMTG27073669TP0548H1TG2736 PD13/07/20PriFBM
Freshwater FBMFRESZ33748574TP7223H1SZ3385 PD05/09/19PriFBMH1SZ3485
Forcett FBMFORNZ17571235TP7222H1NZ1712 PD22/08/21PriPriFBMH2NZ1712
Flax Bourton FBMFLBST51957112TP7221H1ST5171 PD29/10/21PriPriFBMH1ST5172
Flamborough FBMFLATA22577053TP7219H1TA2270 D02/06/21PriFBMH2TA2270
Fareham FBMFARSU61060716TP0542H1SU6107 PD17/11/21PriPriFBM
Elvanfoot FBMELVNS95961930TP0501H1NS9519 PD10/11/18PriPriFBM
Elgin FBMELGNJ17236328TP7215H1NJ1763 PD21/08/20PriPriFBMH2NJ1763
Edinburgh FBMEDINT28077395TP7213H1NT2873 PD26/06/21PriPriFBMH2NT2873
Ecclefechan FBMECCNY19427673TP0510H1NY1976 PD07/10/21PriPriFBM
East Harling FBMEHATL99638429TP0550H1TL9984 PD14/07/20SecPriFBM
Dyserth FBMDYSSJ06478024TP7209H1SJ0680 D30/08/21SecPriFBMH2SJ0680
Durness FBMDURNC43856570TP0476H1NC4365 PD31/07/20PriPriFBM
Duns Common FBMDUCNT76595522TP7206H1NT7655 21/06/21PriPriFBM
Dunlop FBMDUNNS41614962TP7204H1NS4149 PD01/09/17PriPriFBMH2NS4149
Duncansby Head FBMDUHND37177149TP0482H1ND3771 P24/09/20PriPriFBM
Dunbar West FBMDBWNT66917894TP7201H1NT6678 PD17/07/21PriPriFBMH2NT6678
Dunbar East FBMDBENT68867848TP0505H1NT6878 PD17/07/21PriPriFBM
Dulverton FBMDULSS90462512TP7199H1SS9025 PD20/09/20PriPriFBMH2SS9025
Dornie FBMDRNNG88482584TP7198H1NG8825 PD28/08/20PriPriFBMH2NG8825
Dorchester FBMDRCSY69689052TP7196H1SY6990 P13/11/21PriPriFBMH1SY6989
Daviot FBMDVINH72474119TP0487H1NH7241 PD28/12/19PriPriFBM
Daventry FBMDVESP58046290TP7195H1SP5862 PD29/07/20PriPriFBMH1SP5763
Daresbury FBMDARSJ57738236TP0524H1SJ5782 PD24/10/21PriPriFBM
Dalwhinnie FBMDLWNN67369031TP0493H1NN6790 P21/09/20PriPriFBM
Dalry FBMDLRNX62518017TP7193H1NX6280 D10/11/19PriPriFBMH2NX6280
Croydon FBMCRYTQ32396062TP7190H1TQ3260 PD10/08/20PriPriFBMH2TQ3260
Crianlarich FBMCRINN41302576TP7189H1NN4125 24/08/19PriFBMH2NN4125
Creetown FBMCRENX49555982TP0508H1NX4959 PD14/10/19PriPriFBM
Cranford FBMCRASP91847878TP0533H1SP9178 D16/09/19PriPriFBM
Cowbridge FBMCOWSS96687567TP7185H1SS9675 PD10/06/21PriFBMH2SS9675
Countisbury FBMCOUSS75264960TP0535H1SS7549 PD07/11/21PriFBM
Corwar FBMCORNX28208109TP0507H1NX2881 PD24/11/18PriFBMFBM
Conwy FBMCONSH75527747TP0522H1SH7577 PD13/08/21SecPriFBM
Contin FBMCNTNH46395576TP7181H1NH4655 PD01/01/20PriPriFBMH2NH4655
Connel FBMCNLNM88843392TP0491H1NM8833 PD18/10/21PriFBM
Cockermouth FBMCOCNY 1382 3451n/an/a SecPriFBM
Clare FBMCLATL74554461TP7179H1TL7444 14/04/19PriPriFBMH2TL7444
Church Stretton FBMCHSSO46719274TP0531H1SO4692 P14/11/21PriPriFBM
Castor FBMCASTL13019975TP7175H1TL1399 P23/10/20PriPriFBMH1TL1398
Carmarthen FBMCRMSN43402377TP7173H1SN4323 PD09/09/21PriPriFBMH2SN4323
Cardigan FBMCDGSN20894602TP7172H1SN2046 P29/06/21PriFBMH1SN2145
Campden FBMCAMSP13703633TP7171H1SP1336 PD21/12/20PriPriFBMH1SP1437
Calbourne FBMCALSZ42558657TP7170H1SZ4286 D05/09/19PriFBMH2SZ4286
Caernarfon FBMCRNSH48005457TP0520H1SH4854 PD11/04/21SecPriFBM
Buntingford FBMBUNTL37142774TP7167H1TL3727 11/09/17PriPriFBM
Bulmer FBMBULSE70446789TP0518H1SE7067 P07/10/21PriPriFBM
Buittle FBMBUINX81036020TP0509H1NX8160 PD28/10/19PriPriFBM
Buckland FBMBUCSU33549748TP0540H1SU3397 PD26/06/21PriPriFBM
Buchan Ness FBMBCNNK12834175TP7163H1NK1241 24/10/21PriPriFBM
Broomhead Moor FBMBRMSK24539465TP0526H1SK2494 P04/11/21PriPriFBM
Bromsgrove FBMBROSO98676948TP7160H1SO9869 PD28/10/21PriPriFBMH2SO9869
Bridge of Orchy FBMBORNN29513977TP7158H1NN2939 P17/02/20PriPriFBMH2NN2939
Bridford FBMBRISX81198650TP0545H1SX8186 PD25/09/20PriPriFBM
Brecon FBMBRESO05132905TP7157H1SO0529 PD10/09/21PriPriFBMH2SO0529
Brampton Abbotts FBMBABSO60372666TP7156H1SO6026 20/10/21PriPriFBMH2SO6026
Braemar FBMBMRNO17029176TP7155H1NO1791 PD08/09/21PriPriFBMH1NO1592
Bowling FBMBOWNS44917376TP7154H1NS4473 D14/08/19PriPriFBMH1NS4573
Boscastle FBMBOSSX14459305TP7153H1SX1493 PD23/09/20PriPriFBMH1SX1492
Bishopston FBMBISSS57438932TP0534H1SS5789 PD26/09/21PriFBM
Bettyhill FBMBETNC70965744TP0479H1NC7057 PD09/06/21PriPriFBM
Belford FBMBELNU09603574TP7150H1NU0935 P18/09/21PriPriFBMH2NU0935
Beer FBMBEESY21478942TP7148H1SY2189 PD25/06/21PriPriFBMH2SY2189
Basingstoke FBMBASSU64385180TP7147H1SU6451 PD18/09/20PriPriFBMH2SU6451
Banchory FBMBANNO60209799TP7146H1NO6097 PD13/09/21PriFBMFBMH1NO5999
Ayr FBMAYRNS27511753TP0499H1NS2717 PD19/04/19PriPriFBM
Arundel FBMARUTQ00380980TP7144H1TQ0009 D30/08/21PriPriFBMH2TQ0009
Arrochar FBMARRNN30600426TP7142H1NN3004 PD21/08/19PriPriFBMH2NN3104
Arbirlot FBMARBNO58774002TP7141H1NO5840 D06/11/21PriPriFBMH2NO5940
Alfriston FBMALFTQ50730093TP0552H1TQ5000 PD15/10/21PriPriFBM
Achnasheen FBMACHNH15875844TP0485H1NH1558 PD15/07/21PriPriFBM
Aberystwyth FBMABRSN60647735TP0529H1SN6077 P21/10/21SecPriFBM
Abergavenny FBMABGSO32231414TP7139H1SO3214 PD11/09/21PriPriFBMH2SO3214
Aberdeen South FBMABSNJ96720568TP0489H1NJ9605 PD08/08/21PriPriFBM
Aberdeen North FBMABNNJ94170964TP7136H1NJ9409 PD08/08/21PriPriFBMH2NJ9409

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