ARCHITECTURAL & INTERIOR PLANNING SERVICES
Home Counties Design
OFFICE : 0208 642 3352 EMAIL : INFO@HOMECOUNTIESDESIGN.CO.UK
SINGLE STOREY EXTENSIONS
Requiring Planning Permission
A single storey extension will need Planning Permission when it exceeds the criteria allowed under PermittedDevelopment.
* If there are trees close to an extension you’ll need an Arboriculturist’s Report, a Tree Protection Plan,
and a foundation scheme designed by a Structural Engineer.
WHAT’S NEEDED TO START?
* We’ll come to you to talk over your project, free of charge, and let you know what’s possible.
* We’ll send you an estimate of our fees and let you know what other costs are involved,
especially Local Authority charges.
* We’ll carry out a measured Survey of the existing building, and plot the surrounding area and
* We’ll draw up the Survey plans and elevations, as these are needed by the Local Authority.
* We’ll prepare Scheme drawings for you to agree, showing plans and elevations of your
* We’ll prepare and submit the Planning Application to the Local Authority.
* We’ll receive an Acknowledgement of the Application from the Council giving a decision date
- which is usually a minimum of 8 weeks from the acknowledgement date.
* The Council will send Notice letters to your neighbours giving them 21 days to comment on
* The Planning Officer will visit your property, and your neighbours’, and take photographs to
assist with their report.
* Your Application will be decided by the Planning Department under delegated powers, unless
there are justifiable objections from neighbours. In which case it will go before a Planning
Committee, taking longer than 8 weeks.
* Once you’ve received Planning Permission you’ll need to think about construction drawings.
* If Planning Permission is refused you can Appeal to the Planning Inspectorate.