There is usually plenty of free street parking and it's free after 5pm on Mondays to Fridays and all day on Saturdays, Sundays and Bank holidays. Before 5pm pay through the RingGo App or call the number on the Parking restriction sign. On school days around 4pm parking might be easier on the St Andrews Road side of St Andrews as it is school pick up time of the nearby school (but still enter the church from Greyhound Road). Around 6pm it might better be better to leave towards North End Road.
By public transport:
7 minutes walk from West Kensington Underground station (District Line) or from Barons Court Underground station (Piccadilly or District Line) or 3 minutes walk from bus station Mulgrave Road Fulham (3 bus stops with 74 or 430 from West Brompton Overground station) or 12 minutes walk from West Brompton Overground station.
A Santander bike docking station is 2 minutes away.