Traditional Sheds

We would not recommend any shingle or gravel bases. A timber base can be suitable as long as it is designed to support the building fully and the ground beneath is both solid and level.
Yes, depending on the shed in question, available optional upgrades might include an extra-wide door, a stable-style door, double doors, an additional door, choice of door position, conversion of a fixed window into an opening window, removal of windows...
Dip-treated Traditional Garden Buildings need retreating with a high-quality wood preservative within 6 weeks of assembly and annually thereafter. If you upgrade to pressure-treated wood, no further treatment with wood preservative is required but you...