Tecton Group the leaders in bringing continental modernism to Britain. The group's first commission was the 1932-1934 gorilla house in the London Zoo in Regent's Park. After the successful completion of the gorilla house, the group designed a penguin pool for the zoo, which contained a unique double helix-shaped walkway without intermediate supports for the penguins and a large swimming area. The group's successes at the London Zoo resulted in their designing two other zoos: Whipsnade Zoo in Bedfordshire and Dudley Zoo in West Midlands. The group then designed the Highpoint I tower, an apartment complex in Highgate. The complex set a
Whipsnade Tree Cathedral the site was held in 1953, and services continue to this day. In 1960 the Tree Cathedral was accepted as a gift by the National Trust. The independent Whipsnade Tree Cathedral Fund is responsible for the religious use of the site. Services have been conducted by many different denominations. It is Grade II listed on the Register of Historic Parks and Gardens. The Tree Cathedral contains chapels meant for each of the four seasons. The cathedral incorporates the following trees. The site also includes a number of notable shrubs including Berberis, Cotoneaster, Dogwood, Flowering Currant, Holly, Hazel, Lilac, Laurustinus, Laurel,