Dated decor all over means that a potential buyer with different taste would have to spend money and months of their spare time if they don’t outsource to redecorate. Not everyone is up for that.
A green in front is a no-no.
Almost no garden to speak of.
You are being unrealistic with asking for offers over £450k. There are more appealing four bed detached houses in your area that are cheaper.
Did you approve that first pic?