Side extension planning approval rate in Basildon
79% of 908 decided side extension applications in Basildon 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.
79%
Approval rate, all years, from 908 decided
908
decided side extension applications in Basildon: 714 approved, 194 refused
79%
Recent rate, decided since 2022, from 281 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 Withdrawn applications are excluded.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 908 decided records have no year recorded. Coverage may have gaps within the date range.
281 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 Basildon, or read about permitted development in Basildon. An approval rate does not decide which route your property qualifies for.
Example side extension decisions in Basildon
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.
Visit Basildon's official website to find its planning register and search the references below. Descriptions may be shortened.
| Reference | Year | Decision | Application |
|---|---|---|---|
| 25/01440/LDCP | 2026 | Approved | To establish the lawfulness of proposed single storey rear extension, side extension, front porch and loft conversion with a velux window to the back plus an... 39 Crest Avenue Pitsea Essex SS13 2EF |
| 25/01443/FULL | 2026 | Approved | Single storey side extension, first floor extension over the existing garage, new front open porch 14 Smythe Close Billericay Essex CM11 1SF |
| 25/01473/FULL | 2026 | Approved | Proposed Two Storey Side Extension. 15 Oakham Close Langdon Hills Basildon Essex SS16 6NX |
| 24/01160/FULL | 2025 | Refused | Single storey side extension to existing commercial unit and reconfiguration of front elevation fenestration Willow Park Wash Road Laindon Essex SS15 4AZ |
| 24/01270/FULL | 2025 | Refused | Single storey side extension. Floreat Dry Street Langdon Hills Basildon Essex SS16 5ND |
| 25/00143/FULL | 2025 | Refused | Two storey side extension and alterations to fenestration. 9 Coburg Lane Langdon Hills Basildon Essex SS16 6TH |
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 Basildon
- Single-storey rear extension 90%, 1,944 decided
- Two-storey rear extension 75%, 847 decided
- Wraparound extension 80%, 299 decided
- Loft conversion and dormer 78%, 512 decided
- Rooflight 89%, 404 decided
- Outbuilding and garden room 65%, 398 decided
- Porch 88%, 262 decided
- Garage conversion 92%, 283 decided
- Basement 61%, 23 decided
- Window and door 92%, 351 decided