Lindfield is 13 kilometres northwest of the CBD, it's 5.17 square kilometres and contains residential housing of Californian bungalow and Federation styles, in double brick and tile construction.  Australian native bushland in Garigal National Park and Lane Cove National Park borders the suburb.

Lindfield railway station is on the North Shore, Northern and Western Line of the Sydney Trains network and is about 30 minutes by train from the CBD. The Pacific Highway is the main arterial road through Lindfield. Lindfield has a small commercial area on both sides of Lindfield Railway Station on the Pacific Highway and Lindfield Avenue.  The former Commonwealth Bank is an art deco style building on the Pacific Highway. 

Lindfield has five places of worship: St Albans Anglican Church, Holy Family Catholic Church, Lindfield Uniting Church (with church buildings on Tryon Road and the Pacific Highway) and the North Shore Synagogue. Schools in the suburb comprise: Lindfield Public School, Lindfield East Public School, Newington College Preparatory School, Holy Family Catholic Primary School, and Masada College (K-6).  The University of Technology, Sydney, Ku-ring-gai Campus (formerly William Balmain Teachers College) operated at a campus on Eton Road from 1971 to 2015.  It offered courses in business, nursing and midwifery, education and travel. The site will be developed as Lindfield Learning Village Public School, to open in 2017.