The table below lists all the named locations for bird recording in Essex. The area covered corresponds to the Watsonian vice counties of North Essex and South Essex which approximates to the modern county of Essex plus Greater London east of the river Lea. Each location is identified by a 2 x 2km square, or tetrad, based on the even numbered grid lines of the National Grid. You can look up these locations on a map of Essex using the Location Finder.

Location GridRef Description
Abberton Manor TL9919
Abberton Reservoir TL9817
Abbotts Hall Farm NR EWT TL9614
Abridge TQ4696
Aldham TL9225
Alexandra Lake, Wanstead Flats TQ4086
Alresford TM0621
Althorne TQ9199
Ardleigh TM0529
Ardleigh Reservoir TM0328
Arkesden TL4834
Ashdon TL5842
Asheldham Bridge TQ9601
Ashingdon TQ8692
Aubrey Buxton NR, near Stansted TL5226
Audley End TL5237
Aveley TQ5680
Aveley Landfill TQ5581
Backwarden, Danbury TL7803
Banbury Reservoir, Lea Valley TQ3691
Bardfield TL6730
Barking TQ4584
Barking Bay/Marsh TQ4581
Barking Park, Barking TQ4485
Barling Marsh TM9390
Barrenley's Wood, Billericay TQ7094
Barton Hall Creek, R. Roach TQ9190
Basildon TQ7289
Bateman's Tower, Brightlingsea TM0716
Bathside Bay, Dovercourt TM2532
Battlesbridge TQ7894
Beachet Wood TL4900
Beauchamp Roding TL5810
Beaumont TM1725
Beazley End TL7430
Beckton TQ4481
Beckton SW TQ4582
Becontree, Dagenham TQ4785
Beddalls Green, near Braintree TL7421
Bedfords Park EWT, Havering-atte-Bower TQ5192
Beeleigh TL8407
Belchamp Otten, near Sudbury TL8041
Belchamp Walter, near Sudbury TL8140
Belfairs Wood NR, Hadleigh TQ8286
Belhus Wood CP, Havering TQ5782
Bendysh Wood TL6140
Benfleet TQ7786
Benfleet Creek, Canvey Island TQ7885
Berechurch, Colchester TL9921
Berwick Ponds, Rainham TQ5483
Bicknacre TL7802
Billericay TQ6794
Birch TL9419
Birch Lake TL9420
Birchanger TL5022
Birdbrook TL7041
Bishops Stortford, Hertfordshire TL4821
Bittern Watchpoint, Lea Valley TL3703
Black Cat, Fyfield TL5509
Black Notley TL7620
Blackmore TL6001
Blake's Wood, near Danbury TL7706
Blue House Farm EWT, North Fambridge TQ8097
Boarded Barns Farm, Ongar CBC TL5605
Bocking TL7624
Boreham GP TL7410
Borley TL8442
Bournes Green, Southend-on-Sea TQ9186
Boxted TM0032
Bradfield TM1430
Bradwell Bird Observatory (BBO) TM0308
Bradwell-on-Sea TM0006
Braintree TL7623
Brandy Hole TQ8295
Braxted Park TL8515
Brent Hall, Lawns Farm, near Finchingfield TL6733
Bretons, Hornchurch TL5184
Brickhouse Farm, Peldon TL9916
Bridgemarsh Island, Crouch Estuary TQ8996
Bridgewick Farm, Dengie TR0200
Brightlingsea TM0817
Brookes Reserve EWT, near Greenstead Green TL8126
Broomfield, Chelmsford TL7010
Broomhouse, Langham TM0334
Broxted TL5827
Buckhurst Hill TQ4193
Bully Pt NR, Stratford TQ3783
Bulphan Fen TQ6486
Bumbles Green TL4105
Bumpstead TL6741
Bures TL9034
Burnham-on-Crouch TQ9496
Burstead TQ6792
Canewdon TQ9094
Canning Town TQ4081
Canvey Island, Thames Estuary TQ8182
Carrolls Farm, Sewardstone TQ3896
Cattawade Marsh/Splodge TM0932
Catmere TL4939
Cely Woods, Thames Chase TQ5583
Chafford Hundred, Thurrock TQ6079
Chalkney Wood TL8727
Chantry Wood, Wickham Bishops TL8413
Chesterford TL5141
Chigborough Lakes TL8708
Chignall Smeally TL6611
Chignall St James TL6609
Chigwell TQ4493
Childerditch TQ6189
Chingford TQ3894
Chingford Marsh, Lea Valley TQ3692
Chingford Plain, Epping Forest TQ3995
Chipping Ongar TL5603
Chrishall TL4439
Cindery Island, Brightlingsea Creek TM0916
City of London Cemetery, Wanstead TQ4286
Clacton-on-Sea TM1715
Clavering TL4731
Clayhall, near Wix TQ4290
Coalhouse Fort, East Tilbury TQ6976
Coate Outfall, Dengie TR0399
Cobmarsh Island, near West Mersea TM0012
Cockaynes Wood, near Alresford TM0521
Coggeshall TL8522
Colchester TL9925
Cold Norton TL8400
Coleman's Farm TL8315
Coleman's Reservoir TL8315
Collier Row, Romford TQ4991
Colliers Reach, R. Blackwater TL0788
Colne Engaine TL8530
Colne Pt TM1012
Connaught Water, Epping Forest TQ4095
Cooksmill Green, Writtle TL6306
Coopers Creek, Blackwater Estuary TL9005
Coopersale TL4702
Copford SW, near Stanway TL9324
Coploe Hill, Strethall TL4942
Copped Hall Estate, Epping Forest TL4301
Copped Hall Warren, Epping Forest TL4300
Copperas Bay, Stour Estuary TM1932
Copperas Wood TM2031
Copt Hall, Little Wigborough TL9814
Corbets Tey TQ5685
Cornmill Meadows, Lea Valley TL3801
Corringham TQ7083
Coryton TQ7482
Cranham Marsh, Upminster TQ5787
Crays Hill, Wickford TQ7192
Creekmouth, near Beckton TQ4581
Creeksea, near Burnham-on-Crouch TQ9396
Cressing, near Braintree TL7820
Cripplegate, Southminster TL9600
Crowsheath Wood, near Hanningfield Reservoir TQ7296
Cudmore Grove CP, Mersea Island TM0614
Curry Farm, Bradwell TM9905
Dagenham TQ5084
Dagenham Chase TQ5185
Dagenham Corridor TQ4987
Dagnam Park, Harold Hill TQ5593
Danbury TL7805
Danbury Common TL7804
Deal Hall, Dengie TR0197
Debden TL5533
Debden Green TQ4398
Decoy Point, Heybridge Basin TL8906
Dedham TM0533
Distillery Pond, Colchester TM0123
Dobbs Weir, Nazeing TL3808
Docura's Farm, Little Horkesley TM0233
Doddinghurst TQ5998
Donyland Wood TM0122
Dovercourt TM2531
Dovers Corner GP, Hornchurch CP TQ5283
Downham, near Wickford TQ7295
Dunmow TL6221
Dunton TQ6688
Dutton Hill, Thaxted TL6131
Earls Colne TL8528
East Donyland TL0321
East Ham TQ4383
East India Dock TQ6375
East Mersea TM0615
East Tilbury TQ6877
Easton Lodge, near Dunmow TL5923
Eastwood, near Southend-on-Sea TQ8488
Elmdon TL4639
Elmshaws Farm Woods, Billericay TQ6593
Elmstead TM0625
Elsenham Hall, near Stansted Mountfitchett TL5425
Epping TL4602
Epping Forest TQ4298
Essex Filter Beds TQ3686
Essex Regiment Way GC, Colchester TL9624
Fairlop TQ4585
Fairstead, near Terling TL7717
Farnham, near Bishops Stortford TL4724
Felsted TL6720
Finchingfield TL6832
Fingringhoe TM0220
Fingringhoe GP TM0420
Fingringhoe Mill TM0320
Fingringhoe Wick NR EWT TM0419
Fishers Green, Lea Valley TL3703
Flag Creek, St Osyth TM1016
Fleet Head, Wakering TR9489
Fobbing TQ7183
Fordham TL9228
Fordham Heath TL9426
Fordstreet TL9226
Forest Gate TQ4085
Foulness Pt TR0495
Frating TM0923
Friday Lake, Lea Valley TL3703
Friday Wood TL9821
Frinton-on-Sea TM2319
Fryerning, near Ingatestone TL6300
Fryerns, Basildon TQ7289
Fullbridge, Chelmer TL8507
Fuller Street, River Ter TL7315
Galleyhill Wood, near Waltham Abbey TL3903
Galleywood, near Chelmsford TL0518
Gallows Corner, Danbury TQ5390
Gallows Green, near Stanway TL9226
Garnetts Wood, Great Dunmow TL6318
Geedon Saltings, Colne Estuary TM0418
Gestingthorpe TL8138
Gidea Park, Romford TQ5290
Gilwell Park, Roxwell TQ3997
Girling Reservoir, Lea Valley TQ3694
Glebe Outfall, Dengie TM0306
Gloucester Park, Basildon TQ7089
Gobions Pit, near East Tilbury TQ6897
Goldhanger TL9808
Good Easter TL6212
Gosbeck's Farm, Colchester TL9722
Gosfield TL7829
Gosfield Lake TL7829
Grange Waters Complex TQ3885
Grays TQ6177
Great Baddow, Chelmsford TL7205
Great Braxted TL8614
Great Bromley TM0826
Great Chesterford TL5042
Great Cob Island, Blackwater Estuary TL9810
Great Cob Island, Tollesbury Fleet TL9912
Great Dunmow TL6222
Great Edney Wood, near Margaretting TL6603
Great Hallingbury TL5119
Great Henny TL8637
Great Holland TM2119
Great Holland Pits NR TM2019
Great Horkesley TL9730
Great Leighs TL7338
Great Maplestead TL8034
Great Notley TL7421
Great Oakley TM1927
Great Parndon, Harlow TL4308
Great Sampford TL6536
Great Totham TL8612
Great Wakering TR9487
Great Waltham TL6913
Great Wigborough TL9615
Great Yeldham TL7638
Greensted Green TL8227
Gunners Park, Shoebury TQ9384
Gunpowder Park, Sewardstone TQ3798
Hackney Marsh TQ3686
Hadleigh TQ8187
Hadleigh Castle CP TQ8086
Hadleigh Downs TQ8086
Hainault Forest CP TQ4793
Hall Farm, Coggeshall TL8620
Hall Marsh Scrape, Lea Valley TL3701
Halstead TL8130
Hamford Water TM2225
Hampton Barns, R. Roach TQ9091
Handley Green Farm, Margaretting TL6501
Hanningfield Reservoir TQ7397
Hargreave's Scout Camp, Little Heath TQ4689
Harlow TL4510
Harold Wood SW TQ5691
Harrow Lodge Park, Hornchurch TQ5386
Harwich TM2530
Hatfield Broad Oak TL5416
Hatfield Forest TL5419
Hatfield Heath TL5215
Hatfield Peverel TL7811
Haven Point, Wakering Stairs TQ9787
Havengore Island, Foulness Group TQ9788
Havering CP TQ5093
Havering-atte-Bower TQ5193
Hawkwell TQ8492
Hayes Hill Farm, Lea Valley TL3803
Hazeleigh Wood TL8304
Heckfordbridge TL9421
Hedge End Island, Hamford Water TM2424
Hempstead Wood TL6538
Henny Street TL8838
Heybridge Basin TL8707
Heybridge GP TL8606
High Beach TQ4097
High Easter TQ6214
High Ongar TL5603
High Roding TL6017
Highams Park, London E4 TQ3891
Highwood, Mill Green TL6304
Hockley TQ8492
Hockley Woods TQ8391
Hole Haven, Canvey Island TQ7682
Holland Haven TM2117
Holland-on-Sea TM2016
Hollingsons Mead, River Stort TL4712
Holliwell Pt, Dengie TR0296
Hollow Pond, Leyton Flats TQ3989
Holyfield Hall Farm, Lea Valley TL3803
Holyfield Marsh, Lea Valley TL3803
Hooks Marsh, Lea Valley TL3701
Hornchurch TQ5386
Hornchurch CP TQ5382
Horndon-on-the-Hill TQ6683
Horsey Island, Hamford Water TM2324
Horsey Wade, Hamford Water TM2323
Howe Outfall, Dengie TM0202
Howlands Marsh NR, St Osyth TM1116
Hullbridge TQ8194
Hunsdon Meads TL4110
Hutton TQ6395
Hydemarsh, Crouch Estuary TQ8797
Hylands Park, Chelmsford TQ6804
Ilford TQ4486
Iltney Farm, Mundon TL8804
Ingatestone TQ6499
Ingatestone SW TQ6698
Ingrebourne Valley TQ5384
Iron Latch NR EWT, Eight Ash Green TL9526
Jaywick TM1513
Kelvedon TL8618
Kelvedon Hatch TQ5799
King George V Reservoir (KGV), Lea Valley TQ3795
Kirby Cross TM2120
Kirby-le-Soken TM2222
Laindon TQ6889
Lamarsh TL8935
Lambourne, near Abridge TQ4796
Landermere TM1923
Landguard Point, Suffolk TM2831
Landwick, Dengie TL9900
Langdon Hills NR EWT TQ6887
Langenhoe TM0018
Langenhoe/Fingringhoe Ranges TM0417
Langford, near Maldon TL8308
Langham TM0333
Langley, near Clavering TL4334
Larkswood, Chingford TQ3892
Latchingdon TL8800
Latton Common, Harlow TL4608
Lauriston Farm, Goldhanger TL9208
Lawford, near Manningtree TM0931
Lawling Creek, Blackwater Estuary TL9104
Layer Breton TL9418
Layer Marney TL9217
Layer-de-la-Haye TL9620
Leabridge, Leyton TQ3586
Leez Reservoir TL7018
Leigh Marsh TQ8385
Leigh-on-Sea TQ8486
Lexden TL9725
Leyton Flats TL3986
Leyton Marsh TQ3785
Limbourne Creek, Blackwater Estuary TL8705
Lingwood Common TL7706
Lippitts Hill, Epping Forest TQ3996
Liston TL8544
Little Baddow TQ7807
Little Baddow Heath TL7707
Little Braxted TL8314
Little Canfield TL5821
Little Chesterford TL5141
Little Clacton TM1618
Little Dunmow TL6521
Little Hallingbury TL5017
Little Heath TQ4688
Little Oakley TM2129
Little Sampford TL6533
Little Wakering TQ9388
Little Waltham TL7012
Littlebury TL5139
Littlebury Green TL4838
Littley Wood, Debden TL5361
Lockwood Reservoir, Lea Valley TQ3590
Lofts Farm GPs, Heybridge TL8608
Long Hills North, Epping Forest TQ4096
Long Running, Epping Forest TQ4399
Long Wood, Langdon Hills TQ6786
Loughton TQ4296
Lower Raypits, R. Crouch TQ9294
Maldon TL8506
Manningtree TM1031
Manuden TL4926
Maplin Bank TQ9883
Mardyke Valley TQ5679
Margaretting TL6701
Margaretting Tye, near Margaretting TL6801
Marks Tey TL9123
Markshall Wood, Coggeshall TL8326
Marsh Farm, South Woodham Ferrers TQ8196
Marsh House Decoy, Dengie TM0104
Marshhouse, Dengie TM0304
Matching Church TL5212
Matching Green TL5510
Maydays Farm, Mersea Island TM0215
Mayesbrook Park, Dagenham TQ4684
Mayland TL9202
Maylands GC TQ5692
Meeting Lane, Mersea TM0414
Mersea Island TM0314
Mersea Strood TM0115
Middleton TL8739
Middlewick Farm, Dengie TR0198
Mill Green TL6401
Mill Meadows, Billericay TQ6794
Mistley TM1232
Mollands GP, South Ockendon TQ5982
Monkhams Hall TQ4092
Mount Bures TL9032
Mountnessing TQ6397
Moverons, near Brightlingsea TM0618
Mucking TQ6881
Mucking Creek, R. Thames TQ6980
Mundon TL8702
Nags Head Lane Fishery, Brentwood TQ5791
Navestock TQ5397
Nayland TL9734
Naze, The TM2624
Nazeing GP, Lea Valley TL3807
Nazeing, Lea Valley TL4106
Nazeingbury TL3806
Netherhall GP, Lea Valley TL3908
New England Island, Foulness Group TQ9789
Newney Green, near Roxwell TL6507
Newport TL5233
Norsey Wood, Billericay TQ6895
North Fambridge TQ8697
North Ockendon TQ5894
North Weald TL4903
North Woolwich TQ8043
Northey Island, Blackwater Estuary TL8806
Norton Heath TL5233
Norton Mandeville TL5804
Oakley Marshes, Hamford Water TM2328
Old Hall Marshes NR RSPB TL9811 A permit is required to use the small car park. Apply in advance to oldhallmarshes@rspb.org.uk. Alternative parking is available in Tollesbury
Olivers Orchard, Colchester TL9621
Ongar TL5603
Ongar Park Wood TL5002
Oozedam, Coryton TQ7383
Orplands (managed retreat), Bradwell TL9806
Orsett, Thurrock TQ6481
Osea Island, Blackwater Estuary TL9106
Oxenham Farm, Great Wakering TQ9688
Pages Wood, Upminster TQ5591
Paglesham TQ9392
Paglesham Lagoon TQ9291
Parkeston TM2232
Parndon, near Harlow TL4406
Parsloes Creek, Dagenham TQ4784
Passingford Bridge TQ5197
Paynes Lane GP, Nazeing, Lea Valley TQ3805
Pebmarsh TL8533
Peldon TL9917
Pete Tye Common TM0018
Pewet Island, Blackwater Estuary TL9908
Pewit Island, Hamford Water TM2326
Piercing Hill, Epping Forest TQ4499
Pitsea TQ7488
Pitsea Marsh TQ7487
Plaistow TQ4082
Pod's Wood, Tiptree TL9017
Point Clear, St Osyth TM0914
Pole Hill, Chingford, Epping Forest TQ3895
Potton Island, Foulness Group TQ9591
Prior's Wood, near Takeley TL5621
Priory Park, Southend TQ8787
Purfleet Chalk Pits TQ5678
Purfleet-on-Thames TQ5678
Pyefleet Channel, Mersea Island TM0416
Pyrgo Park, Havering TQ5293
Quendon TL5129
Radwinter TL6037
Rainham TQ5282
Rainham GP TQ5482
Rainham Marshes NR RSPB TQ5280
Ramsden Heath TQ7195
Ramsey Island, Blackwater Estuary TL9405
Ramsey, near Harwich TM2130
Rat Island, Colne Estuary TM0517
Rawreth TQ7893
Ray Sands, Dengie Coast TM0400
Rayleigh TQ8090
Rayne TL7323
Redward Outfall, Crouch Estuary TQ9896
Reeveshall Marsh, Mersea Island TM0416
Rettendon TQ7698
Richmond's Green, Thaxted TL6229
Rickling Green TL6525
Ridley Hall, near Fuller Street TL7515
Rivenhall End TL8416
Rochford TQ8790
Rock Farm, Colchester TM0122
Roding Fields TQ4394
Roding Valley NR TQ4295
Rolls Farm, nr Tollesbury TL9508
Roman River Valley TL9620
Rowhedge TM0222
Rowney Wood, Debden TL5733
Roxwell TL6408
Royal Albert Docks, R. Thames TQ4390
Roydon TL4010
Runwell TQ7494
Rushey Mead TL4919
Russell Green GPs, near Chelmsford TL7512
Saffron Walden TL5423
Salcott TL9413
Sales Point, Dengie TM0308
Saling, near Braintree TL7025
Sandbeach, Dengie TR0205
Sandon GP, Great Baddow TL7405
Sawbridgeworth Marsh TL4814
Sawyer's Hall, Brentwood TQ5994
Seven Kings TQ4588
Seventy Acres Lake, Lea Valley TL3703
Sewards End, Saffron Walden TL5738
Sewardstone TQ3898
Sewardstonebury TQ3995
Shadwell Wood, near Ashdon NR EWT TL5741
Sheering TL5013
Shell Haven, Coryton TQ7481
Shenfield TQ6094
Shoebury TQ9384
Shoeburyness TQ9384
Shopland, near Southend-on-Sea TQ8918
Shotgate Thickets, near Wickford TQ7693
Shrub End TL9723
Sible Hedingham TL7734
Silver End TL8120
Silvertown TQ4079
Skipper's Island, Hamford Water TM2124
Skreens Park TL6207
Slough House Farm, near Heybridge TL8709
Snaresbrook, Waltham Forest TQ3989
South Benfleet TQ7886
South Green TM0420
South Hanningfield TL7497
South House Farm, Maldon TL8605
South Ockendon TQ5881
South Park, Ilford TQ4586
South Shoebury TQ9284
South Weald TQ5793
South Woodford TQ4090
South Woodham Ferrers TQ8097
Southchurch Park, Southend-on-Sea TQ8945
Southend Pier TQ8884
Southend-on-Sea TQ8786
Southey Creek, Blackwater Estuary TQ8805
Southminster TQ9599
Spitalfields TQ3784
Springfield, Chelmsford TL7207
St Lawrence, Dengie TL9506
St Osyth TM1215
Stambourne, near Steeple Bumpstead TL7238
Stambridge TQ8991
Stanford Rivers, near Chipping Ongar TL5300
Stanford Warren TQ6881
Stanford-le-Hope TQ6882
Stansgate, near St Lawrence TL9305
Stansted Airport Lagoons TL5521
Stansted Mountfitchett TL5125
Stanway GP TL9423
Stanway Green TL9523
Stapleford Tawney TQ5099
Star Lane Pits, Wakering TQ9387
Stebbing TL6624
Steeple, Dengie TL9303
Stickling Green, Clavering TL4732
Stock TQ6898
Stondon Massey TL5800
Stone Marsh, The Naze TM1526
Stone Point, Mersea Island TM0715
Stone Point, The Naze TM2425
Stour Reserve TM1931
Stow Creek, North Fambridge TQ8497
Stratford TQ3884
Strawberry Hill Pond, Epping Forest TQ4297
Strethall TL4839
Stubbers OPC, Corbets Tey TQ5784
Sturmer Mere, near Haverhill TL6943
Sudbury, Suffolk TL8741
Sunnymead Farm TM0522
Takeley TL5621
Tednambury Marsh, Gaston Green TL4916
Tendring TM1424
Terling TL7715
Thames Barrier TQ4179
Thames Chase TQ5885
Thaxted TL6131
The Chantry,Little Horkesley TL9732
The Hythe, Colchester TM0124
The Mores Wood, near Brentwood TQ5696
The Naze at Walton TM2624
The Strood, Mersea Island TM0115
Theydon Bois, Epping TQ4498
Theydon Garnon, near Theydon Bois TQ4799
Thorley Wash, Stort Valley TL4818
Thorndon CP (North) TQ6091
Thorndon CP (South) TQ6290
Thorpe Bay TQ9185
Thorpe-le-Soken TM1822
Thorrington TM0920
Thundersley TQ7988
Tilbury TQ6376
Tilbury Power Station TQ6675
Tillingham TL9903
Tillingham GP TL9903
Tilty TL5926
Tiptree TL8916
Tollesbury TL9510
Tollesbury Wick NR EWT TL9710
Tolleshunt D'Arcy TL9312
Tolleshunt Knights TL9114
Tolleshunt Major TL9011
Toot Hill TL5102
Turncole Farm, Dengie TQ9988
Twinstead TL8636
Two Tree Island, Leigh-on-Sea TQ8285
Tylers Common, Upminster TQ5690
Ulting TL8008
University of Essex, Colchester TM0223
Upminster TQ5687
Valentines Park, Ilford TQ4387
Vange Marsh RSPB TQ7285
Vicarage Wood, South Weald TQ5793
Virley Channel, R. Blackwater TL9513
Wake Arms Pond, Epping Forest TQ4298
Wake Valley, Epping Forest TQ4198
Wakering Boatyard TQ9488
Wakering Stairs TQ9787
Wallasea Island, Crouch/Roach Estuaries TQ9693
Waltham Abbey TL3800
Walthamstow Reservoirs, Lea Valley TQ3589
Walton-on-The-Naze TM2521
Wanstead Flats, Epping Forest TQ4086
Wanstead Park TQ4187
Warley TQ5992
Warley Place NR TQ5890
Warren Pond, Epping Forest TQ3994
Wat Tyler CP, Pitsea TQ7386
Watts Wood, Purfleet TQ5678
Weald CP, near South Weald TQ5794
Weeley TM1422
Weeleyhall Wood TM1521
Wendens Ambo TL5136
Wennington TQ5481
West Bergholt TL9527
West Ham TQ4083
West Hanningfield TQ7399
West Mersea TM0012
West Thurrock TQ5877
West Tilbury TQ6677
West Wick, near Burnham-on-Crouch TQ9798
West Wood EWT, Great Sampford TL6233
Westcliff-on-Sea TQ8686
Whetmead NR, nr Witham TL8313
Whipps Cross TQ3888
White Colne TL8730
White Notley TL7818
White Roding TL5613
Whiteash Green, near Halstead TL7930
Wicken Bonhunt TL4933
Wickford TQ7593
Wickham Bishops TL8312
Widford TL6905
Wigborough Bay, Abberton Reservoir TL9616
WigboroWick Farm, St Osyth TM1114
William Girling Reservoir, Lea Valley TQ3694
Willingale TL5907
Wimbish TL5936
Wintry Wood, Epping Forest TL4703
Witham TL8115
Wivenhoe TM0321
Wix TM1503
Wixoe TL7142
Woodford TQ4091
Woodford Green TQ4192
Woodham Mortimer TL9616
Woodham Walter TL8006
Woodrolfe Creek, Blackwater Estuary TL9710
Woolwich TQ4379
Wormingford, Colchester TL9331
Wrabness TM1731
Writtle TL6706
Writtle Forest TL6503
Writtle Park TL6503
Yardley Hill, Epping Forest TQ3895
West Canvey Marshes RSPB TQ7784
Westley Heights TQ6886 TQ 6886
One Tree Hill TQ6986 TQ 6986
Broadfields Farm, Cranham TQ5987 TQ 5987
Boreham TL7509 Boreham Village
Stow Marsh TQ8397
Woodham Fen EWT TQ7997
Shut Heath Wood NR EWT, Gt Totham TL8513 Shut Heath Wood nature reserve EWT Great Totham Map Ref: TL 853 133
Thurrock Thameside Nature Park (EWT) TQ6980 TQ6980
Stow Maries Halt NR EWT TQ8399 TQ83 99
Bowers Marsh (RSPB) TQ7586
Little Totham TL8912
Lower Sheering TL4914
Copford TL9223
Chelmsford City Centre TL7106
Chelmer Village, Chelmsford TL7307
Tilbury Fort TQ6575
Ford End TL6716
Elsenham TL5327