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The Great Britain Guide

Natural landmarks · London

Harmondsworth Great Barn

In or near Colnbrook.

Free admission

Harmondsworth Great Barn — a other in england-london, United Kingdom.

The Five Bells, Harmondsworth - geograph.org.uk - 2505599

Oast House Archive — CC BY-SA 2.0 via Wikimedia Commons licence

Plan your visit

Typical visit
1 h–2 h
Nearest railway station
Station B · 1.2 km
  • Free entry
  • Family-friendly
  • Dog-friendly

About

Harmondsworth Great Barn is a other located in england-london, United Kingdom. Sourced from OpenStreetMap (ODbL licence); see local listings for visitor information, opening hours and admission details.

Photo gallery

Official information

Harmondsworth Great Barn is a Grade I listed structure built in 1426, notable for its impressive medieval carpentry and architectural significance. It features a large oak-framed interior with massive trusses, resembling a cathedral in its scale and design.

Protected designations

  • Area of Outstanding Natural Beauty: Chilterns

Designations sourced from Natural England open data under OGL v3.

Place summary

Harmondsworth Great Barn is a large historic barn located in London. It is one of the largest medieval barns in England, notable for its impressive size and timber construction. The barn is a designated Grade I listed building.

AI-generated from the structured facts on this page (operator, designation, listing, era). Not a substitute for visiting.

Coordinates
51.4897, -0.4799
District
Hillingdon
Parish
Hillingdon, unparished area
Postcode
UB7 0NL
Parliamentary constituency
Hayes and Harlington
Phone
020 8759 1874
Nearest railway station
Station B1.2 km
Opening
Open 2nd and 4th Sunday of the month, Apr to Oct, 11am-4pm; also open for Heritage Open Days and London Open House on 12, 13 & 20 Sept 11am to 5pm

Sources

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Frequently asked questions

Where is Harmondsworth Great Barn?
Harmondsworth Great Barn is in London, United Kingdom (postcode UB7 0NL), in the parish of Hillingdon, unparished area.
What is Harmondsworth Great Barn?
Harmondsworth Great Barn — a other in england-london, United Kingdom.
How do I get to Harmondsworth Great Barn?
The nearest railway station is Station B, about 1.2 km away. Drivers can use postcode UB7 0NL.
Is Harmondsworth Great Barn a protected site?
Yes — Harmondsworth Great Barn is part of the Chilterns National Landscape (AONB).
Is Harmondsworth Great Barn free to visit?
Yes, Harmondsworth Great Barn is free to enter.
How do I get to Harmondsworth Great Barn?
The nearest railway station is Station B, about 1.2 km away. Drivers can navigate to postcode UB7 0NL.