Ancient Monuments

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18th century obelisk commemorating Cassivellaunus, at Brockley Hill, Stanmore

A Scheduled Monument in Canons, Harrow

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Latitude: 51.6322 / 51°37'56"N

Longitude: -0.3156 / 0°18'56"W

OS Eastings: 516677.468

OS Northings: 193946.078397

OS Grid: TQ166939

Mapcode National: GBR 6T.WMH

Mapcode Global: VHGQ9.H71K

Entry Name: 18th century obelisk commemorating Cassivellaunus, at Brockley Hill, Stanmore

Scheduled Date: 23 February 1977

Source: Historic England

Source ID: 1003774

English Heritage Legacy ID: LO 144

County: Harrow

Electoral Ward/Division: Canons

Built-Up Area: Royal National Orthopaedic Hospital

Traditional County: Middlesex

Lieutenancy Area (Ceremonial County): Greater London

Church of England Parish: St Lawrence Whitchurch Lane

Church of England Diocese: London


Obelisk on Brockley Hill, 200m north-east of Grove Farm.

Source: Historic England


This record was the subject of a minor enhancement on 19 March 2015. This record has been generated from an "old county number" (OCN) scheduling record. These are monuments that were not reviewed under the Monuments Protection Programme and are some of our oldest designation records.

The monument includes a mid 18th century commemorative obelisk monument situated at the summit of Brockley Hill, north of Wood Lane in the grounds of the Royal National Orthopaedic Hospital.

The obelisk, built of red brick and faced with Portland stone, stands about 6m high. It was erected in 1750 by William Sharpe, secretary to the second Duke of Chandos. The obelisk commemorates Cassivellaunus and his tribe, the 'Suellani', as well as marking the mid-way point between Londinium (London) and Verulamium (St Albans). A Latin inscription on the four lower sides of the obelisk claims that Cassivellaunus led a successful battle against the Roman forces of Julius Caesar. The inscription was apparently restored by the hospital in the early 20th century.

Source: Historic England

Reasons for Scheduling

A commemorative monument is a building or structure erected to commemorate a particular person or event. They include public statues and memorials, funerary monuments in churchyards and cemeteries, and war memorials, some of which provide some of our finest examples of public art.

Despite some restoration in the past, the obelisk on Brockley Hill, 200m north-east of Grove Farm, is an imposing commemorative monument, which survives well. It includes some well preserved 18th century masonry work and a Latin inscription that enhance its significance.

Source: Historic England


Books and journals
Baker, M, Discovering London Statues and Monuments, No.42 Shire Books, (2002), 209
Baker, T, Pugh, R (eds), Baggs, A, Bolton, D, Scarff, E, Tyack, G, 'Little Stanmore: Introduction', A History of the County of Middlesex, Vol 5 (1976), 110-113, accessed 3 Nov 2009 from
Greater London SMR 052099/00/00.

Source: Historic England

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