The implied results are now calculated using the local election results for the wards which make up each old seat. This should be more accurate than the earlier implied results which assumed each constituency was homogeneous.
In Buckinghamshire, one seat (Milton Keynes North) switches from Conservative to Labour. In Essex, there is one new seat (Witham), which is Conservative.
| New seat | Primary component | Secondary component | ||
| Aylesbury | 79.3% of Aylesbury | 9.3% of Buckingham
6.1% of Wycombe | ||
| Beaconsfield | 90.6% of Beaconsfield | 14.8% of Wycombe | ||
| Buckingham | 90.7% of Buckingham | 10.7% of Aylesbury | ||
| Chesham and Amersham | 89.4% of Chesham and Amersham | 9.8% of Aylesbury | ||
| Milton Keynes North | 83.9% of Milton Keynes North East | 16.2% of Milton Keynes South West | ||
| Milton Keynes South | 83.8% of Milton Keynes South West | 16.1% of Milton Keynes North East | ||
| Wycombe | 79.1% of Wycombe | 10.6% of Chesham and Amersham
9.4% of Beaconsfield 0.2% of Aylesbury |
| New seat | Primary component | Secondary component | ||
| Basildon and Billericay | 48.7% of Billericay | 35.3% of Basildon | ||
| Basildon South and East Thurrock | 64.7% of Basildon | 23.5% of Billericay
5.7% of Thurrock | ||
| Braintree | 56.6% of Braintree | 30.3% of Saffron Walden | ||
| Brentwood and Ongar | 99.2% of Brentwood and Ongar | 4.7% of Epping Forest | ||
| Castle Point | Unchanged | |||
| Chelmsford | 76.5% of Chelmsford West | 21.5% of Maldon and Chelmsford East | ||
| Clacton | 78.9% of Harwich | 6.6% of Essex North | ||
| Colchester | 91.9% of Colchester | |||
| Epping Forest | 94.7% of Epping Forest | 1.4% of Harlow | ||
| Harlow | 98.6% of Harlow | 0.8% of Brentwood and Ongar
0.6% of Epping Forest | ||
| Harwich and North Essex | 74.2% of Essex North | 21.1% of Harwich | ||
| Maldon | 63.8% of Maldon and Chelmsford East | 28.4% of Rayleigh
2.9% of Chelmsford West | ||
| Rayleigh and Wickford | 71.6% of Rayleigh | 27.7% of Billericay
0.9% of Rochford and Southend East | ||
| Rochford and Southend East | 97.3% of Rochford and Southend East | |||
| Saffron Walden | 69.7% of Saffron Walden | 20.6% of Chelmsford West | ||
| Southend West | 100% of Southend West | 1.8% of Rochford and Southend East | ||
| Thurrock | 94.3% of Thurrock | |||
| Witham | 43.4% of Braintree | 19.2% of Essex North
14.7% of Maldon and Chelmsford East 8.1% of Colchester |
| New seat | Primary component | Secondary component | ||
| Broxbourne | Unchanged | |||
| Hemel Hempstead | 98.4% of Hemel Hempstead | |||
| Hertford and Stortford | 99.1% of Hertford and Stortford | |||
| Hertfordshire North East | 96.4% of Hertfordshire North East | 2.5% of Stevenage
0.9% of Hertford and Stortford | ||
| Hertfordshire South West | 100% of Hertfordshire South West | 1.6% of Hemel Hempstead | ||
| Hertsmere | Unchanged | |||
| Hitchin and Harpenden | 99.8% of Hitchin and Harpenden | 3.6% of Hertfordshire North East
0.1% of St Albans | ||
| St Albans | 99.9% of St Albans | 0.2% of Hitchin and Harpenden
0.0% of Watford | ||
| Stevenage | 97.5% of Stevenage | |||
| Watford | Unchanged | |||
| Welwyn Hatfield | Unchanged |