This guide explains planning permission rules affecting single storey extension developments in Haringey.
Most householder development follows national permitted development rules unless local restrictions apply.
Development must comply with national permitted development height limits.
Extensions must comply with national permitted development depth limits.
Neighbourhood planning, including neighbourhood forums and areas, assets of community value and the community right to bid, the brownfield register.
Roof alterations must comply with national permitted development rules.
Materials should be similar in appearance to the existing house.
Planning permission and applications, planning enforcement, planning policy, conservation areas and listed buildings, major projects and regeneration.
Planning permission and applications, planning enforcement, planning policy, conservation areas and listed buildings, major projects and regeneration.
Last verified 2026-01
UK permitted development legislation allows many single storey extension projects without planning permission provided certain limits are followed.
However local planning authorities such as those covering Haringey may impose additional planning controls through conservation area policies or Article 4 directions.
Many single storey extension projects in Haringey may fall under permitted development rights if they remain within national planning limits.
Development must comply with national permitted development height limits.
Neighbourhood planning, including neighbourhood forums and areas, assets of community value and the community right to bid, the brownfield register.
Yes. Additional planning restrictions may apply in conservation areas or where Article 4 directions remove permitted development rights.
Planning applications for single storey extension projects in Haringey are handled by the local planning authority covering Haringey, Greater London.
For official planning advice consult the council planning portal for your area or visit the UK Planning Portal.
This guide summarises planning rules affecting single storey extension developments in Haringey.
Planning regulations may change and additional local planning policies may apply. Always confirm planning requirements with your local planning authority before starting development.
Last updated March 2026