Is dropping all FORWARD packets bad? What are they used for? Why would I want to block them or keep them open?

(I fully understand INPUT and OUTPUT)


Question: Planning for a Covered Deck in the UK
Answer: According to the Planning Portal, you need planning if the deck is over 300mm high or covers more than 50% of the garden (along with other structures).

(see here)

It also states that if your deck needs planning, it probably also needs Building Regs approval.