Design me a eco friendly house for a hot climate [Caribbean]

Job ID: 32471760

Budget: £250 – £750 GBP

I want to build a 2 -bed house on a sloping land.

Essentials - ventalliation, light, varandah, storage. pitched roof, aesthecially pleasing internally and externally.
Varandah on one side of building
Open plan concept, living area, dining area and kitchen, however, kitchen should have a pantry.