I live on a new build estate of 61 houses. Our’s is six years old. We had very little snagging and it was dealt with promptly by the developer. As others have said running costs are low.
The vast majority of houses on our estate have their own driveways/ garages for at least two cars. The others have allocated spaces. Ours has a double width garage and it is set back so we can get ( depending on their size) three to four cars on the driveway. Generally no issues with parking on the estate. There are visitor parking spaces as well.
I know people who live in roads with older houses where it’s all parking on the road and that can cause issues.
we have a kitchen diner that runs across the whole back of the house , living room and a second reception we use as a dining room. But it could be used as a study. There is a utility room. And as is common with new builds a downstairs toilet and en-suite.
Five bedrooms upstairs, one of which we use as a study, All the bedrooms except the smallest would take at least a double bed and wardrobe. Ours has a king bed, space for wardrobe, chest of drawers and bedside tables. Not as large as the bedroom in our previous house but not small. We also have a huge landing cupboard,
Contrary to what others say the houses owners who have sold have never lost money on them , even those that sold after a couple of years. That may have something to do with where the estate is though.
Back garden is a bit overlooked but we have solved that by growing tall trees. Not huge but it suits us. We look out over a field, which leads down to woodland
A pp mentioned narrow roads and no pavements that is true of our estate but I think the intention behind that is to slow traffic down and therefore make it more pedestrian friendly.
Do bear in mind though that many new build estates have management fees for maintaining the common areas.