10 Downing Street
On Saturday 19 September (11am-to-3pm) successful applicants via the Open House ballot will have access to the state rooms of 10 Downing Street, the official residence of the Prime Minister.
30 St Mary Axe (The Gherkin) and Tower 42
Known as the Gherkin, 30 St Mary Axe (left) is a landmark curvilinear 40-storey office building in the heart of the City; Tower 42 (right) is the Square Mile's tallest fully occupied building, and at 601ft was the first to break previous restrictions on tall buildings in London.
BT Tower is one of London's most iconic skyline towers. Open House London offers a rare opportunity for members of the public to visit the famous revolving floor, 518ft above the capital.
The Gap House
This family home has a minimal carbon footprint and stands on a very narrow west London site - just 8ft wide - that was once the side alley and garden of an adjacent house.
The Gap House
Each room has good natural light while fitting in between two listed buildings in a conservation area. Cost-effective design methods achieved an environmentally friendly house, with a ground source heat pump and rainwater harvesting. It was the RIBA Manser Medal Winner in 2009.
An architect’s bold "kitchen cube" vision has transformed an ex-council flat in a listed Bethnal Green block that was built in a butterfly shape to maximise light in all of the homes.
A Hackney Design Award winner last year, this house was built on the site of a former box factory in east London.
The home features clever use of volumes and daylight, despite the physical constraints of a small urban plot.
Foreign & Commonwealth Office
At these Grade I-listed Victorian government office buildings, tour the magnificent, richly decorated Durbar Court, the India Office council chamber, the Locarno suite and the Foreign Office grand staircase.
The Dalston Eastern Curve Garden
A popular community garden featuring biodiversity planting in an area lacking green public space. Created on abandoned railway land, it includes a large wooden pavilion for events and workshops.
The UK's first large-scale mixed-use eco-village and sustainable community in Wallington, SM6.