Key facts
- UK government is implementing new planning rules to encourage building homes above existing structures and in gardens.
- The policy is modeled after California's 'accessory dwelling units' (ADUs), which represent 25% of new housing in the state.
- The aim is to increase housing delivery to meet a target of 1.5 million new homes.
- Concerns exist regarding potential public backlash over changes to neighborhood character and loss of green spaces.
- California has seen a significant increase in ADU construction following legislative changes to remove local restrictions.
The UK government is introducing new planning rules designed to increase housing construction by encouraging development on and above existing properties, including in gardens. This policy is inspired by California's successful 'accessory dwelling units' (ADUs) model, which has seen a surge in backyard home construction over the past decade.
The new measures aim to facilitate urban and suburban intensification, making it easier for homeowners to build additional units on their properties. California's approach involved state lawmakers passing legislation to remove local restrictions that had previously hindered ADU development, leading to a significant increase in permits issued.
Experts believe these changes could help the UK government reach its target of building 1.5 million new homes. However, there are concerns about potential public opposition, similar to past 'garden grabbing' controversies, with residents worried about the impact on neighborhood character and green spaces. The government maintains that local oversight will be retained and that development will be balanced with community concerns.
Opponents, such as the Conservative party, have voiced criticism, arguing that the policy will result in more blocks of flats being built in gardens rather than family homes. Past attempts at densification in the UK have faced public backlash and subsequent revocation, highlighting the delicate balance between increasing housing supply and managing local sentiment.
