Looks like a Piper Colt to me....
A PA-22-108. The first aircraft I ever soloed. I still remember flying downwind at White Waltham ("aim for Windsor Castle"), looking at the empty seat beside me in amazement.
Well done, Glenn. Over to you.
PS Thanks to Alex for permission to use his photo:
Photos: Piper PA-22/20-108 Colt Aircraft Pictures | Airliners.net