Conolly Dell (also known as The Lawn, Conolly Dell Rest Garden)7734

London, England, Greater London

Brief Description

The sloping garden has a series of ponds, rockery garden and fine trees.


Conolly Dell was formerly part of the grounds of The Lawn, the home and private asylum of Dr John Conolly after his retirement as Superintendent of Hanwell Asylum where he worked from 1839-44, He pioneered humane treatment and non-restraint of the mentally ill. Part of the grounds of The Lawn were given as public open space in 1911, named in his memory, with a memorial surmounted by a winged figure.

Visitor Facilities

The park is open from 7.30am to dusk.
Access & Directions

Access Contact Details

The park is open from 7.30am to dusk.


Rail: Hanwell. Bus: E3, E8, 83, 207, 607,


  • Early 20th Century (1901-1932)