The London Butterfly House was a visitor attraction in Brentford

Brentford

Brentford is a suburban town in west London, England, and part of the London Borough of Hounslow. It is located at the confluence of the River Thames and the River Brent, west-southwest of Charing Cross. Its former ceremonial county was Middlesex.-Toponymy:...

, Middlesex

Middlesex

Middlesex is one of the historic counties of England and the second smallest by area. The low-lying county contained the wealthy and politically independent City of London on its southern boundary and was dominated by it from a very early time...

, England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

 where the public could view butterflies

Butterfly

A butterfly is a mainly day-flying insect of the order Lepidoptera, which includes the butterflies and moths. Like other holometabolous insects, the butterfly's life cycle consists of four parts: egg, larva, pupa and adult. Most species are diurnal. Butterflies have large, often brightly coloured...

, birds, reptiles, amphibians, insects, and arachnids.

Set in Syon Park, the grounds of Syon House

Syon House

Syon House, with its 200-acre park, is situated in west London, England. It belongs to the Duke of Northumberland and is now his family's London residence...

, the facility consisted of three 'purpose built' greenhouses situated overlooking a lake. The facility contained hundreds of the world's most exotic species of butterfly, along with descriptions and illustrations.