Accusations that housebuilders are holding up the supply of new homes as a result of landbanking practices have again surfaced through a recent study by the Royal Town Planning Institute, that suggests that developers have enough land with planning consent to build 225,000 new homes. Opening up the debate: exploring housing land supply myths, part of the RTPI’s submission to John Callcutt’s review of housebuilding delivery, claims that “housebuilders and others need to stop blaming the planning system as the sole factor in restricting land supply.<br><br>”It calls for developers along with the newly created National Housing and Planning Advice Unit to regularly publish figures on the amount of land with planning consent held in each local authority area. Stewart Baseley, executive chairman of the Home Builders Federation, has hit back against the claims. “The idea that landbanking is holding up supply is a figment of the imagination. The key issue is bringing land through the planning system. <br><br>We recently conducted a survey of the top 20 housebuilders, who have on average two and a half years worth of land with implementable planning permissions. And in 97% of cases, building was started on-site within three months of gaining consent.“A developer’s business …