Independent primary schools in London Harrow/Pinner areas

[rahilq]

Hi
We're planning to move to the North/North West of London. We're looking at areas such as Harrow, Pinner, Northwood to move into so are looking at a coed independent school around this area. We've been to see Quainton Hall but don't know anything about it - good/bad/average. We've also heard of Orley Farm, Alpha Prep, and St Helens College but again know nothing more about them. Could someone please let us know if there are other coed schools that anyone would recommend? We're looking for admission for next year 2015 for my DS in Year 2 and DD in Nursery. We'd like a school that focuses on academics but at the same time has an emphasis on sports (esp football for my DS) and overall development. Will appreciate any help.
Thank you