The pair made their dramatic arrivals at separate locations after their mother Sarah, 28, went into labour five weeks early.
Nurse Mrs Ward began feeling niggling pains while out shopping on Saturday morning near the family home in the village of Martham, Norfolk.
Just over an hour later Evie was born in the living room helped by her dad James, 27, grandmother Julie, and eight paramedics.
Elie and Oliver Ward were miraculously born at two different locations
But slow coach brother Oliver showed no signs of wanting to welcome the world.
Mrs Ward was rushed by ambulance to Gorleston’s James Paget University Hospital in Great Yarmouth where Oliver was delivered by c-section – more than two hours after his twin sister.
Today relieved Mrs Ward – who ended up going into labour twice because of the time gap – thanked everyone involved in the births.
Sarah Ward went into labour a whole five weeks early
I was a bit scared, especially when Evie’s feet suddenly popped out and it was such a relief when they all arrived and she came out with the next push
She said: “Everybody was just so lovely, from the doctors to the midwives, neo-natal nurses and paramedics.
“I was a bit scared, especially when Evie’s feet suddenly popped out and it was such a relief when they all arrived and she came out with the next push.”
Mrs Ward, who has a twin brother and sister herself, added: “I cannot fault anyone on anything they did that day – everyone was absolutely brilliant.”
Get Quotes on Home Insurance
After returning home from her shopping trip, Mrs Ward felt uncomfortable and took a soothing bath before things quickly escalated and she began having contractions every two minutes.
Pregnant celebrities: Couples expecting a baby in 2017
Mon, February 13, 2017
Pregnant celebrities: Here are the happy couples who have announced they are expecting the pitter-patter of tiny feet in 2017.
1 of 15
Danielle Lloyd pulls a Beyonce as she announces she’s pregnant with fourth child
Mrs Ward has a twin brother and sister herself
The alarm was raised and little Evie was born weighing 5lb 2oz without any problems at 3.50pm just as the ambulance and paramedics arrived.
Medics at the scene decided to wait and see if Oliver would follow, rather than go to hospital and risk the birth taking place in the ambulance en-route.
But after half an hour without any progress, Mrs Ward and Evie were taken to hospital in separate ambulances.
The babies needed special care after birth but are doing fine now
Doctors found Oliver was lying transverse and needed immediate help.
He was finally born at 6.12pm, tipping the scales at 5lb 5oz.
Evie struggled to hold her temperature at first, while Oliver had trouble breathing and needed special care.
Both babies are now doing well and enjoying cuddles with their parents and big brother Archie, two.