From greenhouses to arbours to summer cabins, Cost2Build offers you a complete service. Different people make use of their garden in different ways, which we think is just terrific. If you’re green-fingered, we can knock up a greenhouse in no time at all. If you’re a workaholic, a garden office might suit you better. Or, if you like to sit under the stars on a summer night, a nice arbour will probably go down smooth.