It is located on a heath above the River Lea valley, on its south side. Almost all of the village is 90 metres (300 feet) above sea level, with most of the surrounding fields being arable farm land, or cattle and horse grazing.
In 1956 builders laying concrete for the garages in Trinity Road, came across a Belgic grave from about the 40–50 AD period, early Iron Age pottery was discovered and remnants are available to view in the British Museum.
More extensive historical facts can be found here extrapolated from a note written by Esme Nix of Rush Green (an area nestled in the corner of Downfield Road, Hoe Lane, Gallows Hill and the A10, giving the service station and A10 junction its name.)
Shops and facilities
The village has modest amenities including a convenience store, numerous public houses and eateries and a service station.
- The Silver Fox on London Road is a centrally located country pub with a small garden. It offers home cooked food and a wide selection at the bar.
- The Goat Inn at the junction of Vicarage Causeway and Downfield Road is the oldest building in the village, with cartography dating pre-1756 showing its location and existence. It is another country pub serving food and boasting an exterior seating area overlooking the village green and the pétanque court. Local legend suggests that Dick Turpin may have patronised The Goat Inn.
- The College Arms (formerly the Jolly Pindar, and prior to that, the East India College Arms – linked to the then East India Company College , now Haileybury College) is a modern gastropub.
- The Galley Hall, located in Hailey Lane is a freehouse pub offering home-cooked food.
- Hertford Heath Motors are a small MOT test centre and workshop and used car dealer located centrally on London Road.
- Haileybury Motor Works offer garage services, repairs, mechanics and equipment, and are located on the southern edge of the village by Haileybury College [see Schools below].
Hertford Heath Junior Mixed Infant (JMI) School caters for children from Nursery up to Year 6 (leavers for Secondary Education).
Haileybury College, a private boarding school (formerly the East India Company College , Imperial Service College  and United Services College ) is on the south-east boundary of the village. It offers facilities to the village and public at large who are able, subject to availability, to use its modern sports complex which includes:
- a 25-metre deck level indoor heated swimming pool
- an 8-court badminton hall
- 4 squash courts
- all-weather surface (with floodlights)
- a state-of-the-art fitness suite
- 8 tennis courts (summer only)
Notable locations and buildings
- The Village Hall – plays host to events such as the local farmers' market and the Annual Horticultural Society show
- Holy Trinity Church (Little Amwell) led by the Rev. Nick Sharp. The church celebrated its 150th anniversary in 2013.
- Ermine Street, the former Roman Road from London to York, runs from the rear of Hertford Heath Motors to Goose Green near Hoddesdon and onwards to London (it is now a bridleway to the South. The former route across the village through what is now Hogsdell Lane, on to Rush Green, has been bisected by the main route through Hertford Heath (B1197) and the development of housing across the village.
- The Hertford Heath nature reserve and Balls Wood nature reserve cover nearly 80 hectares of surrounding countryside and woodland. Hertford Heath is a Site of Special Scientific Interest, and both sites are managed by the Herts and Middlesex Wildlife Trust. Balls Wood was purchased by the Trust from the Forestry Commission following a successful campaign.
- Florence L. Barclay (1862-1921): a romance novelist and short story writer. She was the wife of Reverend Charles W. Barclay, who was the vicar of Holy Trinity from 1881 to 1920.
- Vera Barclay (1893–1989): the daughter of Florence and Charles Barclay. She was a pioneer of female leadership in the Scout Movement and was instrumental in the establishment of the Wolf Cub programme in the United Kingdom and France. She later became a prolific author on a range of subjects, especially children's stories.
|Wikimedia Commons has media related to Hertford Heath.|
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- Haileybury Sports Complex – http://www.haileyburysportscomplex.co.uk/haileybury-sports-complex-hertfordshire-about-us.asp
- Hertford Heath nature reserve, Wildlife Extra
- Balls Wood Nature Reserve, Wildlife Extra
- "Hertford Heath citation" (PDF). Sites of Special Scientific Interest. Natural England. Retrieved 15 February 2015.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
- "Map of Hertford Heath". Sites of Special Scientific Interest. Natural England. Retrieved 15 February 2015.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
- "Hertford Heath". Herts and Middlesex Wildlife Trust. Retrieved 15 February 2015.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
- "Balls Wood". Herts and Middlesex Wildlife Trust. Retrieved 15 February 2015.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
- Wildlife trust saves Balls Wood, Accessed 15 February 2015
- Walker, Colin. "Scouting Personalities – Vera Barclay". Scouting Milestones. Retrieved 6 November 2014.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>