Winchmore Hill is a suburb and electoral ward in the London Borough of Enfield, north London, England, in the N21 postal district. The Winchmore Hill conservation area serves as the focal point of the district. Geographically, it is bounded on the east by Green Lanes, Barrowell Green, Firs Lane and Fords Grove. To the northwest, it is bordered by Grovelands Park. The southern boundary extends to part of Aldermans Hill, while the northern boundary reaches Vicars Moor Lane and Houndsden Road.