Election 2015: Where to vote tactically to get the prime minister you want

Aldershot Bath Berwick-upon-Tweed Carshalton and Wallington Central Devon Cheadle Chelmsford Cheltenham Chippenham Colchester East Hampshire Eastbourne Eastleigh Folkestone and Hythe Guildford Harrogate and Knaresborough Hazel Grove Hereford and South Herefordshire Horsham Isle of Wight Kingston and Surbiton Lewes Ludlow Maidenhead Maidstone and The Weald Meon Valley Mid Dorset and North Poole Mid Sussex New Forest East Newbury Newton Abbot North Cornwall North Devon North Dorset North Herefordshire North Norfolk North Somerset North Wiltshire Oxford West and Abingdon Poole Portsmouth South Richmond Park Romsey and Southampton North Salisbury Skipton and Ripon Solihull Somerton and Frome South Cambridgeshire South East Cambridgeshire South East Cornwall South West Surrey Southport St Albans St Austell and Newquay St Ives Stratford-on-Avon Sutton and Cheam Taunton Deane Tewkesbury The Cotswolds Thornbury and Yate Tiverton and Honiton Torbay