Open House weekend will take place this year on Saturday 19 and Sunday 20 September.
Across this weekend, you will have the opportunity to gain access to a number of historical sites around the borough, either virtually from the comfort of your own home, or through venues putting provisions in place in line with government guidance, so visitors can safely explore.
Virtual tours of these sites will be available here on the weekend of Open House.
Open House London is the world's largest architecture festival, giving free public access to more than 800 buildings, walks, talks and tours across London.
Venues in Hillingdon taking part this year include:
- Manor Farm, Ruislip
Located across 22 acres, the site houses a unique collection of buildings, including the Grade II* listed Great Barn dating back to the 13th Century.
- Eastcote House Gardens
Situated on 10 acres of parkland in the heart of Eastcote village, this site contains the Stables, a timber framed building dating back to the 17th Century. Eastcote House Gardens won London in Bloom Park of the Year category in 2014 and 2019.
- Cranford Country Park
This 144 acre park contains a number of historic relics, including a cobbled stable yard, ha-ha and enclosed courtyard known as The Secret Garden and the medieval St Dunstan's Church and graveyard which is said to be haunted by the ghost of the Grey Lady.
- Visit St Dunstan's Church on Saturday 19 September and Sunday 20 September
- Visit the Secret Garden and Stables on Saturday 19 September from 10.30am to 4.30pm, and on Sunday 20 September from 11.30am to 4.30pm
- Harmondsworth Great Barn
The Grade I listed building dates back to 1426 and was built by Winchester College as part of its manor farm. More than 95% of its structual timbers and half of the planking on its walls are original.
- Visit the site on Saturday 19 and Sunday 20 September between 11am and 4pm.
- Ruislip Lido Miniature Railway
Britain's longest 12-inch gauge railway, dating back to 1811.
- The railway will be open between 11am and 5pm on Saturday 19 and Sunday 20 September, with a 20 minute two train service running until 5.20pm. The open days taking place at the Woody Bay Station will give visitors the chance to see how the railway is maintained, view the locomotives and rolling stock up close and learn how the vehicles operate.
- St Mary the Virgin, Harmondsworth
This Grade II listed parish church features a 12th century south arcade and doorway and a 13th century north arcade.
- Visit the church on Saturday 19 September from 10am to 5pm and Sunday 20 September between 12pm and 5pm.
- St Martin's Church, Ruislip
Dating back to 1250, this Grade I listed church features 15th century additions and Victorian restorations.
- Visit the church all day Saturday 19 and Sunday 20 September, except during Mass.
- St Peter and St Paul Church, Harlington
The Grade I listed structure dates back to 1086 with a Norman font and Norman stone arch, which is carved with cats' heads.
- Visit Saturday 19 September between 10am and 4pm, and on Sunday 20 September between 1pm and 5pm.
- Uxbridge Quaker Meeting House
The early 19th century meeting house retains much of its original character, and was a site of Quaker worship from the late 1600s.
- Ickenham Hall
The hall is a Grade II listed Georgian mansion, which was originally the home of John Crosier and family is located in the grounds of the Compass Theatre.
There will also be a virtual self-guided tour of 10 of the war memorials across the borough.