Single-storey rear extension planning approval rate in East Hertfordshire
82% of 1,844 decided single-storey rear extension applications in East Hertfordshire were approved.
Checked against 20.6 million UK planning applications on file across 420 planning authorities. Approval rates from 2,343,419 decisions we classified across 181 councils in England.
A similar project nearby can help you understand the council's decisions. Its outcome does not establish what will be acceptable at your address.
82%
Approval rate, all years, from 1,844 decided
1,844
decided single-storey rear extension applications in East Hertfordshire: 1,512 approved, 332 refused
84%
Recent rate, decided since 2022, from 657 decided
How to read these rates
These are historical outcomes for the applications in our archive, not the chance of approval for your property. Compare the same project type and read the decided count alongside each percentage.
About the planning data
Rate = approved divided by approved plus refused, using the decisions in our classified archive. Rates are withheld as unknown where fewer than 8 records of that project type were decided. Withdrawn applications are excluded. The eight-record threshold is a display rule, not a guarantee that a sample is statistically reliable.
Recent means records dated 2022 or later. Records without a year are excluded from the recent rate but remain in the all-years figure. Historical coverage varies by council, and duplicate application references may remain in the archive.
Approval rates from 2,343,419 decisions we classified across 181 councils in England. The wider 20.6 million application catalogue is accessible through PlanIT; it is not the dataset used to calculate these percentages.
Read the full methodology and coverage notes.
Project types and outcomes are classified from council records. Check the original application and decision notice before relying on an individual example. A page rebuild does not mean every council record has just been refreshed.
Coverage for this project type
Dated records in this archive span 2015 to 2026. 0 of 1,844 decided records have no year recorded. Coverage may have gaps within the date range.
657 decided records are dated 2022 or later. This is an archive count, not a measure of all current council activity.
These project categories can include different application routes and proposals combining several kinds of work. Read the proposal and decision type before comparing it with your project.
Check planning requirements in East Hertfordshire, or read about permitted development in East Hertfordshire. An approval rate does not decide which route your property qualifies for.
Example single-storey rear extension decisions in East Hertfordshire
These examples deliberately include approved and refused applications where available. They are not a representative sample or a list of the latest decisions. Look up each reference on the council's planning search to read the plans and decision notice.
Search East Hertfordshire's planning register using the references below. Descriptions may be shortened; read the complete proposal and decision notice.
| Reference | Year | Decision | Application |
|---|---|---|---|
| 3/25/1314/LBC | 2026 | Approved | Construction of single storey rear glass link extension, including new rainwater goods, reconfiguration of rear ground floor fenestration, replacement of win... 10 Bluecoat Yard Ware Hertfordshire SG12 9HL |
| 3/25/1590/HH | 2026 | Approved | Erection of single storey rear extension and alteration to rear extension roof form. 7 Broken Green Cottages Broken Green Standon Hertfordshire SG11 1NQ |
| 3/25/1647/FUL | 2026 | Refused | (Retrospective) Single storey rear extension and detached bin store Waggon And Horses Pepper Hill Great Amwell Hertfordshire SG12 9RQ |
| 3/25/1724/HH | 2026 | Approved | Single storey rear extension with insertion of 3 x dormer windows to front roof slope Dove Cottage 1 The Bungalow Hay Street Braughing Hertfordshire SG11 2RJ |
| 3/25/1754/CLPO | 2026 | Refused | Demolition of existing conservatory, replacement with single storey rear extension 56 Hertingfordbury Road Hertford Hertfordshire SG14 1LB |
| 3/25/1798/HH | 2026 | Refused | Erection of single storey rear extension Little Orchard London Road Spellbrook Hertfordshire CM23 4BA |
About the planning data
Checked against 20.6 million UK planning applications on file across 420 planning authorities. Approval rates from 2,343,419 decisions we classified across 181 councils in England.
Other project types in East Hertfordshire
- Two-storey rear extension 69%, 1,172 decided
- Wraparound extension 86%, 305 decided
- Side extension 77%, 913 decided
- Loft conversion and dormer 75%, 333 decided
- Rooflight 82%, 687 decided
- Outbuilding and garden room 75%, 464 decided
- Porch 83%, 243 decided
- Garage conversion 89%, 315 decided
- Basement 69%, 118 decided
- Window and door 78%, 706 decided