Are there ventilation requirements with a stove?

Building Regualation England and Wales Section J is a guidance document, which guides in how to safely install your stoves. This document recommends recommends ventilation via a permanently open vent of 300mm2/kW for the first 5kW of rated output and 850mm2/kW thereafter. 

Ventilation by flue system ideally should be 4.5 mtrs ground to cowl. Only one appliance per chimney shaft.