The Halls Universal Greenhouse offers a lot of growing space for your money. The 8ft wide  Universal is available in 8×10 and  8×12 sizes, each with a single sliding door and 2 roof vents.
This Halls Greenhouse is available in silver and as a green greenhouse featuring horticultural or toughened glass or twin wall polycarbonate. There is a full range of Halls Greenhouse Accessories available including autovents, louvres, staging, shading and potting benches.
This is the next greenhouse in the range from the Popular greenhouse as it offers bigger sizes with additional bracing for strength.

See the full range of greenhouses for sale here: Greenhouse Stores