At the risk of sounding like a self-appointed judge, here's an updated list of cafes that I believe qualify, please feel free to argue the case if I left one out that you think should be there. Emily's Tea Rooms - jury out, Zappis, didn't seem to me to be the same establishment for example?
http://www.westerley.cc/cafe-au-lube-spares-repairs-and-eclairs/CYCLE RIGHT – NORTHWOOD HILLS, NW LONDON
http://cycleright.cc/MICYCLE – ISLINGTON, LONDON
http://www.micycle.org.uk/LONDON VELO – DEPTFORD, LONDON
http://www.ldnvelo.co.uk/MACHINE – ELEPHANT & CASTLE, LONDON
http://www.ldnvelo.co.uk/PEDAL BACK – TOOTING, LONDON
https://www.timeout.com/london/restaurants/pedal-back-cafeLOOK MUM NO HANDS – LONDON (CITY / EAST)
http://www.lookmumnohands.com/RAPHA – CENTRAL LONDON
http://pages.rapha.cc/clubsROAD CYCLE EXCHANGE – KINGSTON
https://roadcycleexchange.com/CADENCE PERFORMANCE – ANERLEY HILL, SOUTH LONDON
http://cadenceperformance.com/SOHO BIKES – CENTRAL LONDON (WEST END)
http://sohobikes.co.uk/HEX/SUPER DOMESTIQUE - SHOREDITCH, LONDON
https://hexcycling.com/VELOLIFE – WARREN ROW (MAIDENHEAD / HENLEY)
https://www.facebook.com/velolife.co.uk/?fref=tsTHE HUB – REDBOURN (ST.ALBANS)
http://www.hubcoffeebikes.com/VELO HOUSE – TUNBRIDGE WELLS
http://www.thevelohouse.com/THE FREEWHEEL – FAVERSHAM, KENT
http://www.thefreewheel.pub/GIRO - ESHER (SURREY)
https://www.girocycles.com/pages/cafePILGRIM CYCLES - WESTHUMBLE (NEAR BOX HILL, SURREY)
http://pilgrim-cycles.co.uk/TWENTY 3C - STONY STRATFORD, MILTON KEYNES
https://www.twenty3c.co.uk/BIKE BEANS - ASHTEAD (SURREY)
http://www.bikebeans.co.uk/MAGLIA ROSSO – BURY St.EDMUNDS
https://magliarosso.co.uk/BICICLETTA - SAFFRON WALDEN
https://www.biciclettavelo.com/ROCKETS AND RASCALS – PLYMOUTH & POOLE
http://www.rocketsandrascals.com/VELO DOMESTIQUE – BOURNEMOUTH
http://www.velodomestique.co.uk/PSYCHLING – WIMBORNE, DORSET
https://www.facebook.com/psychling.co.uk/?ref=nfVELOTON - TETBURY (GLOUCS)
http://veloton.co.uk/TUBS - ANDOVER
https://www.tripadvisor.co.uk/Restaurant_Review-g503822-d10162396-Reviews-Tubs_Cafe-Andover_Hampshire_England.htmlMUD DOCK - BRISTOL
http://www.mud-dock.co.uk/ROLL FOR THE SOUL - BRISTOL
http://www.rollforthesoul.org/BERTIE MAFFOONS - MARLBOROUGH
http://www.bertiemaffoons.com/giftcert.phpCAFE VENTOUX – TUGBY NEAR LEICESTER
https://www.facebook.com/search/top/?q=cafe%20ventoux%20-%20destination%20cycle%20cafe&hc_location=ufiDYNAMIC RIDES - HOCKLEY HEATH (SOLIHULL)
http://dynamicrides.co.uk/cafeRAPHA –MANCHESTER
http://pages.rapha.cc/clubsEUREKA – CHESTER
http://www.eurekacyclistscafe.co.uk/services/eureka-cycle-sports/THE GREN JERSEY – CLITHEROE
http://thegreenjersey.co.uk/GREYSTOKE CYCLE CAFE - PENRITH
http://www.greystokecyclecafe.co.uk/ILKLEY CYCLES - ILKLEY
http://www.ilkleycycles.co.uk/THE COMMUTE - ILKLEY
http://www.thecommuteyorkshire.com/BICIS Y MAS - YORK
http://www.bicisymas.co.uk/YOUR BIKE SHED - YORK
http://www.yourbikeshed.co.uk/CYCLE HEAVEN -YORK
http://www.cycle-heaven.co.uk/PEDALING SQUARES – NEWCASTLE
http://www.pedallingsquarescafe.com/KIRKLEY CYCLES, PONTELAND (NORTHUMBRIA)
http://www.kirkleycycles.com/THE CYCLE HUB - NEWCASTLE UPON TYNE
http://www.thecyclehub.org/ACTIV CYCLES - CORBRIDGE (NORTHUMBRIA)
http://activ-cycles.co.uk/contact-us/SYNERGY – AUCJHTERARDER – SW OF PERTH, SCOTLAND
http://synergycycles.cc/RONDE - EDINBURGH
http://rondebike.com/VELOCITY - INVERNESS
http://velocitylove.co.uk/SIEMPRE - GLASGOW
http://www.siemprebicyclecafe.com/