A link to all 7 of the major parties >>> Ranked share of the vote in the UK General Election 2015
A big thank you to @AndyJSajs for collating the information
Seats where UKIP came second to the Conservatives (75):
Arundel & South Downs, Ashford, Aylesbury, Basildon South & Thurrock East, Beaconsfield, Bexhill & Battle, Bognor Regis & Littlehampton, Boston & Skegness, Bournemouth West, Braintree,
Brentwood & Ongar, Bridgwater & Somerset West, Broxbourne, Cambridgeshire North East, Cambridgeshire North West, Castle Point, Chesham & Amersham, Chichester, Christchurch, Devizes,
Devon Central, Devon West & Torridge, Dorset North, Epping Forest, Fareham, Faversham & Kent Mid, Folkestone & Hythe, Gosport, Grantham & Stamford, Hampshire East,
Hampshire North West, Havant, Hereford & Herefordshire South, Herefordshire North, Hornchurch & Upminster, Horsham, Isle of Wight, Louth & Horncastle, Ludlow, Maldon,
Meon Valley, New Forest East, New Forest West, Norfolk Mid, Norfolk South West, Orpington, Poole, Rayleigh & Wickford, Reigate, Richmond (YORKS),
Rochester & Strood, Romford, Rutland & Melton, Saffron Walden, Sevenoaks, Sittingbourne & Sheppey, South Holland & The Deepings, Spelthorne, Stratford-on-Avon, Suffolk West,
Surrey East, Surrey Heath, Surrey South West, Thanet North, Thanet South, Tiverton & Honiton, Tonbridge & Malling, Totnes, Wealden, Wellingborough,
Wiltshire South West, Witham, Worcestershire Mid, Worcestershire West, Worthing West.
Seats where UKIP came second to Labour (44):
Aberavon, Barking, Barnsley Central, Barnsley East, Blackley & Broughton, Blaenau Gwent, Blaydon, Blyth Valley, Bolton South East, Bootle, Caerphilly,
Dagenham & Rainham, Doncaster Central, Doncaster North, Easington, Gateshead, Hartlepool, Heywood & Middleton, Houghton & Sunderland South, Hull East, Hull North,
Hull West & Hessle, Islwyn, Jarrow, Knowsley, Liverpool Walton, Liverpool West Derby, Makerfield, Merthyr Tydfil & Rhmney, Middlesbrough, Normanton Pontefract & Castleford,
Oldham West & Royton, Rochdale, Rother Valley, Rotherham, Sheffield Brightside & Hillsborough, Sheffield Heeley, Sheffield South East, South Shields, Stoke-on-Trent Central, Swansea East,
Washington & Sunderland West, Wentworth & Dearne, West Bromwich West.
Seats where UKIP came second to the Speaker (1):
Buckingham.
