This guide explains planning permission rules affecting two storey extension developments in Oxford.
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.
You can search planning applications within the Oxford City boundary, have your say and follow their progress using the Public Access system.
Roof alterations must comply with national permitted development rules.
You will need to include your full name and address in order for your comment to be registered. Without this information, your comments will be considered anonymous and your views cannot be taken into account. Only comments relating to 'material planning considerations' can be taken into account – see ‘what you can comment on’ below.
Additional planning restrictions may apply in conservation areas.
Listed building consent is required for works affecting listed buildings.
Last verified 2026-01
UK permitted development legislation allows many two storey extension projects without planning permission provided certain limits are followed.
However local planning authorities such as those covering Oxford may impose additional planning controls through conservation area policies or Article 4 directions.
Many two storey extension projects in Oxford may fall under permitted development rights if they remain within national planning limits.
Development must comply with national permitted development height limits.
You can search planning applications within the Oxford City boundary, have your say and follow their progress using the Public Access system.
Yes. Additional planning restrictions may apply in conservation areas or where Article 4 directions remove permitted development rights.
Planning applications for two storey extension projects in Oxford are handled by the local planning authority covering Oxford, Oxfordshire.
For official planning advice consult the council planning portal for your area or visit the UK Planning Portal.
This guide summarises planning rules affecting two storey extension developments in Oxford.
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