Provisional map

 

SP81W - Buckland ( / ) SP81S - Draytonmead Farm ( / ) SP81X - Long Marston ( / ) SP81T - Thistlebrook Farm ( / ) SP81Y - Alnwick Farm ( / ) SP81Z - Crafton ( / ) SP90V - Meadhams Farm ( / ) SP90W - Orchard Leigh ( / ) SP90X - Whelpley Hill Farm ( / ) SP90I - Cholesbury ( / ) SP90N - Hawridge Common ( / ) SP90T - Hockeridge Wood ( / ) SP90Y - Berkhamsted S ( / ) SP90E - Spencersgreen ( / ) SP90J - Hastoe ( / ) SP90P - Champneys ( / ) SP90U - Northchurch ( / ) SP90Z - Berkhamsted N ( / ) SP91A - Tring W ( / ) SP91F - Tring E ( / ) SP91K - New Ground ( / ) SP91Q - Norcott Hill ( / ) SP91V - Berkhamsted Common ( / ) SP91B - Little Tring ( / ) SP91G - New Mill ( / ) SP91L - Aldbury Nowers ( / ) SP91R - Aldbury ( / ) SP91W - Little Gaddesden ( / ) SP91C - Wilstone ( / ) SP91H - College Lake ( / ) SP91M - Pitstone Hill ( / ) SP91X - Ringshall ( / ) SP91D - West End Farm ( / ) SP91E - Mentmore ( / ) TL00A - Flaunden ( / ) TL00F - Belsize ( / ) TL00K - Chipperfield ( / ) TL00Q - Berrybushes Wood ( / ) TL00V - Abbots Langley ( / ) TL00B - Bovingdon ( / ) TL00G - Bulstrode ( / ) TL00L - Whippendell Bottom ( / ) TL00R - Kings Langley ( / ) TL00W - Bedmond ( / ) TL00C - Bovingdon Airfield ( / ) TL00H - Westbrook Hay ( / ) TL00M - Apsley ( / ) TL00S - Nash Mills ( / ) TL00X - Pimlico ( / ) TL00D - Broadway Farm ( / ) TL00I - Chaulden ( / ) TL00N - Hemel Hempstead ( / ) TL00T - Adeyfield ( / ) TL00Y - Leverstock Green ( / ) TL00E - Potten End ( / ) TL00J - Boxted Farm ( / ) TL00P - Gadebridge ( / ) TL00U - Grovehill ( / ) TL00Z - Buncefield ( / ) TL01A - Nettleden ( / ) TL01F - Great Gaddesden ( / ) TL01K - Briden's Camp ( / ) TL01Q - Easbrookhay Farm ( / ) TL01V - The Aubreys ( / ) TL01B - Hudnall ( / ) TL01G - Widmore Farm ( / ) TL01L - Gaddesden Row ( / ) TL01R - Puddephat's Farm ( / ) TL01W - Rabbitfield Spring ( / ) TL01C - Studhamhall Farm ( / ) TL01H - Clement's End ( / ) TL01M - Beechwood House ( / ) TL01S - Flamstead ( / ) TL01X - Friar's Wash ( / ) TL01I - Dedmansey Wood ( / ) TL01N - Markyate W ( / ) TL01T - Markyate E ( / ) TL01Y - Pepsal End ( / ) TL01P - Kensworth Lynch ( / ) TL01U - Caddington ( / ) TL01Z - Slip End ( / ) TL02Y - Galley Hill ( / ) TL02Z - Barton Hill Farm ( / ) TL03V - Barton-le-Clay ( / ) TL10A - Kingswood ( / ) TL10F - Bricket Wood Common ( / ) TL10K - Netherwylde Farm ( / ) TL10Q - Harperbury ( / ) TL10V - Shenley ( / ) TL10B - M25 Junction 21 ( / ) TL10G - Blackgreen Wood ( / ) TL10L - Frogmore ( / ) TL10R - Broad Colney ( / ) TL10W - Salisbury Hall ( / ) TL10C - Potters Crouch ( / ) TL10H - Chiswell Green ( / ) TL10M - St Julians ( / ) TL10S - London Colney N ( / ) TL10X - Tyttenhanger ( / ) TL10D - Gorhambury ( / ) TL10I - Praewood Farm ( / ) TL10N - St Albans ( / ) TL10T - Fleetville ( / ) TL10Y - Smallford ( / ) TL10E - Hogg End ( / ) TL10J - Batchwood Hall ( / ) TL10P - New Greens and Townsend ( / ) TL10U - Marshalswick ( / ) TL10Z - Beech Farm ( / ) TL11A - Beaumont Hall ( / ) TL11F - Hedge's Farm ( / ) TL11K - Cheapside Farm ( / ) TL11Q - Sandridge ( / ) TL11V - Symonshyde Great Wood ( / ) TL11B - Harpendenbury ( / ) TL11G - Hatching Green ( / ) TL11L - Harpenden SE ( / ) TL11R - Nomansland ( / ) TL11W - Coleman Green ( / ) TL11C - Faulkners End Farm ( / ) TL11H - Harpenden NW ( / ) TL11M - Batford ( / ) TL11S - Marshalls Heath ( / ) TL11X - Bride Hall ( / ) TL11D - West Hyde ( / ) TL11I - East Hyde ( / ) TL11N - Bower Heath ( / ) TL11T - Blackmore End ( / ) TL11Y - Ayot St Lawrence ( / ) TL11J - Chiltern Green ( / ) TL11P - Ansells End ( / ) TL11U - Kimpton ( / ) TL11Z - Kimpton Mill ( / ) TL12F - Luton Airport ( / ) TL12K - Diamond End ( / ) TL12Q - Bendish ( / ) TL12V - Whitwell ( / ) TL12B - Stopsley ( / ) TL12G - Tea Green ( / ) TL12L - The Heath ( / ) TL12R - Kingswalden Park ( / ) TL12W - Hitch Wood ( / ) TL12C - Butterfield Green ( / ) TL12H - Lilley Bottom ( / ) TL12M - Ley Green ( / ) TL12S - Preston ( / ) TL12X - Poynders End ( / ) TL12D - Lilley ( / ) TL12I - The Flints ( / ) TL12N - Great Offley ( / ) TL12T - Offleyholes Farm ( / ) TL12Y - Gosmore ( / ) TL12E - Telegraph Hill ( / ) TL12J - Little Offley ( / ) TL12P - Gravehill Plantation ( / ) TL12U - Hitchin SW ( / ) TL12Z - Hitchin Hill ( / ) TL13A - Hexton ( / ) TL13F - Tingley Wood ( / ) TL13K - Pirton ( / ) TL13Q - Oughtonhead Common ( / ) TL13V - Ickleford ( / ) TL13B - Higham Gobion ( / ) TL13G - Apsley End ( / ) TL13L - Burge End ( / ) TL13R - Holwell ( / ) TL13W - Ickleford Common ( / ) TL13S - Holwellbury ( / ) TL13X - Arlesey ( / ) TL20A - Ridge ( / ) TL20F - South Mimms ( / ) TL20K - Potters Bar ( / ) TL20Q - Five Acre Wood ( / ) TL20V - Barvin Park ( / ) TL20B - Redwell Wood Farm ( / ) TL20G - Royal Veterinary College ( / ) TL20L - Swanley Bar ( / ) TL20R - Queenswood ( / ) TL20W - Northaw ( / ) TL20C - North Mymms Park ( / ) TL20H - Welham Green ( / ) TL20M - Bell Bar ( / ) TL20S - Kentish Lane Farm ( / ) TL20X - Great Wood County Park ( / ) TL20D - Roehyde ( / ) TL20I - South Hatfield ( / ) TL20N - Woodside ( / ) TL20T - Wildhill ( / ) TL20Y - Little Berkhamsted ( / ) TL20E - Hatfield Aerodrome ( / ) TL20J - Birchwood ( / ) TL20P - Home Park ( / ) TL20U - Essendon ( / ) TL20Z - Howe Green ( / ) TL21A - Cromerhyde Farm ( / ) TL21F - Stanborough ( / ) TL21K - Hatfield Hyde ( / ) TL21Q - Holwell Court Farm ( / ) TL21V - Letty Green ( / ) TL21B - Brocket Park ( / ) TL21G - Sherrardspark ( / ) TL21L - Peartree ( / ) TL21R - Panshanger Aerodrome ( / ) TL21W - Panshanger Stables ( / ) TL21C - Ayot St Peter ( / ) TL21H - Digswell Park ( / ) TL21M - Digswell ( / ) TL21S - Tewin ( / ) TL21X - Bramfield ( / ) TL21D - Pulmer Water ( / ) TL21I - Welwyn ( / ) TL21N - Harmergreen Wood ( / ) TL21T - Bull's Green ( / ) TL21Y - Bramfield Woods ( / ) TL21E - Codicote ( / ) TL21J - Tagmore Green ( / ) TL21P - Woolmer Green ( / ) TL21U - Datchworth ( / ) TL21Z - Watkin's Hall Farm ( / ) TL22A - Rusling End ( / ) TL22F - Old Knebworth ( / ) TL22K - Knebworth ( / ) TL22Q - Bragbury End ( / ) TL22V - Frogmore Hall ( / ) TL22B - Langley Bottom ( / ) TL22G - Norton Green ( / ) TL22L - Broadwater ( / ) TL22R - Aston ( / ) TL22W - Benington Lordship ( / ) TL22C - Almshoe Bury ( / ) TL22H - Stevenage Old Town ( / ) TL22M - Pin Green ( / ) TL22S - Chells Manor ( / ) TL22X - Walkern Lodge ( / ) TL22D - Titmore Green ( / ) TL22I - Lister Hospital ( / ) TL22N - Chesfield Park ( / ) TL22T - Boxbury Farm ( / ) TL22Y - Walkern ( / ) TL22E - Great Wymondley ( / ) TL22J - Rowley Court ( / ) TL22P - Damask Green ( / ) TL22U - Hall's Green ( / ) TL22Z - Cromer ( / ) TL23A - Letchworth Hall Hotel ( / ) TL23F - Willian ( / ) TL23K - Lannock Manor ( / ) TL23Q - Weston ( / ) TL23V - Kingswoodbury ( / ) TL23B - Letchworth West ( / ) TL23G - Letchworth East ( / ) TL23L - Baldock ( / ) TL23R - Bird Hill ( / ) TL23W - Wallington ( / ) TL23C - Letchworth Sewage Works ( / ) TL23H - Norton and Radwell ( / ) TL23M - Bygrave Common ( / ) TL23S - The Firs ( / ) TL23X - Bygrave Lodge Farm ( / ) TL23I - A1(M) Junction 10 ( / ) TL23N - Newnham ( / ) TL23T - Bygrave ( / ) TL23Y - Slip End ( / ) TL23J - Caldecote ( / ) TL23P - Newnham Hill ( / ) TL23U - Ashwell ( / ) TL23Z - Ashwell and Morden Station ( / ) TL24F - Hinxworth ( / ) TL24K - Ashwell End ( / ) TL24Q - Cold Harbour ( / ) TL24V - Gatley ( / ) TL24L - Dunton Lodge Farm ( / ) TL24R - Guilden Morden S ( / ) TL24S - Guilden Morden N ( / ) TL30A - Cattlegate Farm ( / ) TL30F - Theobalds Manor ( / ) TL30K - Theobalds Park ( / ) TL30Q - Bowyers Water ( / ) TL30B - Cuffley ( / ) TL30G - Goff's Oak ( / ) TL30L - Flamstead End ( / ) TL30R - Seventy Acres Lake ( / ) TL30C - Newgate Street ( / ) TL30H - Hammond Street ( / ) TL30M - Wormleybury ( / ) TL30S - Turnford ( / ) TL30D - Blackfan Wood ( / ) TL30I - Cowheath Wood ( / ) TL30N - Carneles Green ( / ) TL30T - Broxbourne ( / ) TL30Y - Nazeing Mead ( / ) TL30E - Bayford ( / ) TL30J - Monks Green ( / ) TL30P - Goose Green ( / ) TL30U - Hoddesdon ( / ) TL30Z - Rye House Station ( / ) TL31A - Bayfordbury ( / ) TL31F - Brickendonbury ( / ) TL31K - Hertford Heath ( / ) TL31Q - St Margarets ( / ) TL31V - Stanstead Abbotts ( / ) TL31B - Hertford North Station ( / ) TL31G - Hertford ( / ) TL31L - Rush Green ( / ) TL31R - Great Amwell ( / ) TL31W - Little Briggens ( / ) TL31C - Waterford ( / ) TL31H - Ware Park Farm ( / ) TL31M - Ware ( / ) TL31S - Great Cozens ( / ) TL31X - Wareside ( / ) TL31D - Stapleford ( / ) TL31I - Tonwell ( / ) TL31N - Wadesmill ( / ) TL31T - Fabdens ( / ) TL31Y - Bakers End ( / ) TL31E - Watton at Stone ( / ) TL31J - Sacombe ( / ) TL31P - Sacombe Green ( / ) TL31U - High Cross ( / ) TL31Z - Barwick ( / ) TL32A - Whempstead ( / ) TL32F - Dane End ( / ) TL32K - Potter's Green ( / ) TL32Q - Colliers End ( / ) TL32V - Latchford ( / ) TL32B - Burn's Green ( / ) TL32G - Haultwick ( / ) TL32L - Levens Green ( / ) TL32R - Old Hall Green ( / ) TL32W - Standon ( / ) TL32C - Clay End ( / ) TL32H - Wood End ( / ) TL32M - Great Munden ( / ) TL32S - Hamels Park ( / ) TL32X - Braughing ( / ) TL32D - Ardeley ( / ) TL32I - Moor Green ( / ) TL32N - Whatbarn Farm ( / ) TL32T - Westmill ( / ) TL32Y - Dassels ( / ) TL32E - Bancroft Farm ( / ) TL32J - Cottered ( / ) TL32P - Aspenden Hall ( / ) TL32U - Buntingford ( / ) TL32Z - Hare Street ( / ) TL33A - Rushden ( / ) TL33F - Broadfield Hall ( / ) TL33K - Little Butter Hill ( / ) TL33Q - Wyddial ( / ) TL33V - Silkmead Farm ( / ) TL33B - Roe Green ( / ) TL33G - Green End ( / ) TL33L - Buckland Bottom ( / ) TL33R - Capons Wood ( / ) TL33W - Cave Gate ( / ) TL33C - Wheat Hill ( / ) TL33H - Philpott's Wood ( / ) TL33M - The Homestead ( / ) TL33S - Strawberry Grove ( / ) TL33X - Barkway ( / ) TL33D - Crouch Hill ( / ) TL33I - Kelshall ( / ) TL33N - Reed End ( / ) TL33T - Reed ( / ) TL33Y - Newsells ( / ) TL33E - Lower Coombe Farm ( / ) TL33J - Church Hill ( / ) TL33P - Mile End Farm ( / ) TL33U - Whiteley Hill ( / ) TL33Z - Barley ( / ) TL34F - Highfield Farm ( / ) TL34K - Royston W ( / ) TL34Q - Royston E ( / ) TL34V - Noon's Folly Farm ( / ) TL34L - Beauval Farm ( / ) TL34R - Holland Hall ( / ) TL41A - Briggens Park ( / ) TL41F - Eastwick ( / ) TL41K - Harlow Town Station ( / ) TL41B - Hunsdonbury ( / ) TL41G - Eastwick Hall Farm ( / ) TL41L - Gilston Park ( / ) TL41R - Rowney Farm ( / ) TL41W - Durrington Hall ( / ) TL41C - Hunsdon ( / ) TL41H - Hunsdon Lodge Farm ( / ) TL41M - Stonards ( / ) TL41S - High Wych ( / ) TL41X - Sawbridgeworth ( / ) TL41D - Little Blakesware ( / ) TL41I - Perry Green ( / ) TL41N - Allen's Green ( / ) TL41T - Trims Green ( / ) TL41Y - Spellbrook ( / ) TL41E - Kettle Green ( / ) TL41J - Much Hadham ( / ) TL41P - Green Tye ( / ) TL41U - Thorley ( / ) TL41Z - Thorley Street ( / ) TL42A - Bromley ( / ) TL42F - Hadham Ford ( / ) TL42K - Bury Green ( / ) TL42Q - Stortford Park ( / ) TL42V - Bishop's Stortford ( / ) TL42B - Wellpond Green ( / ) TL42G - Albury End ( / ) TL42L - Hadham Hall ( / ) TL42R - Wickham Hall ( / ) TL42W - Foxdells Farm ( / ) TL42C - Braughing Friars ( / ) TL42H - Albury ( / ) TL42M - Clapgate ( / ) TL42S - Farnham ( / ) TL42X - Hazel End ( / ) TL42D - Bozen Green ( / ) TL42I - Furneux Pelham ( / ) TL42N - Hixham Hall ( / ) TL42T - Mallows Green ( / ) TL42E - Little Hormead ( / ) TL42J - Whitebarns ( / ) TL42P - Stocking Pelham ( / ) TL43A - Brick House Farm ( / ) TL43F - Brent Pelham ( / ) TL43K - Starling's Green ( / ) TL43B - Anstey ( / ) TL43G - Meesden ( / ) TL43L - Further Ford End ( / ) TL43C - Nuthampstead ( / ) TL43H - Langley Lawn ( / ) TL43D - Abbotsbury Farm ( / ) TL43I - Chrishall Common ( / ) TL43E - Chishall Windmill ( / ) TL44A - Clay Hill ( / ) TL51C - Gladwyns ( / ) TL52A - Start Hill ( / ) TL52F - Tilekiln Green ( / ) TL52B - Birchanger ( / ) TL52C - Stansted Mountfitchet ( / ) TQ09A - Chalfont St Peter ( / ) TQ09F - West Hyde ( / ) TQ09K - Harefield ( / ) TQ09Q - Battlers Wells Farm ( / ) TQ09V - Northwood ( / ) TQ09B - Chalfont Common ( / ) TQ09G - Maple Cross ( / ) TQ09L - Stocker's Lake ( / ) TQ09R - Batchworth Heath ( / ) TQ09W - Moor Park ( / ) TQ09C - Chorleywood West ( / ) TQ09H - Chorleywood Bottom ( / ) TQ09M - Rickmansworth ( / ) TQ09S - Croxley Green ( / ) TQ09X - Holywell ( / ) TQ09I - Chorleywood Common ( / ) TQ09N - Loudwater ( / ) TQ09T - Whippendell Wood ( / ) TQ09Y - Cassiobury Park ( / ) TQ09E - Chenies ( / ) TQ09J - Sarratt Bottom ( / ) TQ09P - Sarratt ( / ) TQ09U - Chandler's Cross ( / ) TQ09Z - Leavesden Green ( / ) TQ19A - Pinnerwood Park ( / ) TQ19B - Oxhey Wood ( / ) TQ19G - Carpenders Park ( / ) TQ19L - Bentley Priory ( / ) TQ19C - Oxhey ( / ) TQ19H - Bushey ( / ) TQ19M - Bushey Heath ( / ) TQ19S - Aldenham Reservoir ( / ) TQ19X - Edgewarebury ( / ) TQ19D - Watford ( / ) TQ19I - Bushey Hall ( / ) TQ19N - Letchmore Heath ( / ) TQ19T - Aldenham Park ( / ) TQ19Y - Borehamwood ( / ) TQ19E - North Watford ( / ) TQ19J - M1 Junction 5 ( / ) TQ19P - Batlers Green ( / ) TQ19U - Radlett ( / ) TQ19Z - Kitwells Farm ( / ) TQ29C - Sterling Corner ( / ) TQ29D - Rowley Green ( / ) TQ29I - Galley Lane Farm ( / ) TQ29N - High Barnet ( / ) TQ29E - Buckettsland Farm ( / ) TQ29J - Dancers Hill ( / ) TQ29P - Wrotham Park ( / ) TQ29U - Hadley Wood ( / ) TQ39U - Enfield Lock ( / )

Tetrad counts

Status

Tetrads


Neither

0


Loss

0


Gain

0


Both

0