Free planning check
Free Sutton planning permission check
Check in 23 seconds whether your Sutton project needs planning permission, and what the council has approved near you. Phase 1 planning drawings: standard rear or side extensions from £995 and loft conversions from £1,495, paid only when the council approves. Council and Portal fees are paid separately at submission.
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.
Sutton approval rates by project type
Historical approval rates in our archive, grouped by project type. These describe recorded decisions, not the chance of approval for your proposal. 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.
| Project type | Approval rate | Decided |
|---|---|---|
| Single-storey rear extension | 77% | 3,670 |
| Two-storey rear extension | 73% | 1,436 |
| Wraparound extension | 82% | 615 |
| Side extension | 78% | 1,284 |
| Loft conversion and dormer | 82% | 297 |
| Rooflight | 90% | 1,697 |
| Outbuilding and garden room | 83% | 321 |
| Porch | 88% | 216 |
| Garage conversion | 90% | 284 |
| Basement | 86% | 165 |
| Window and door | 92% | 325 |
A rate is only shown where at least 8 applications of that type were decided; smaller samples are shown as unknown. Withdrawn and undecided records are excluded. These figures cover all recorded years, including records without a year. Full Sutton approval rates.
Application guidance in Sutton
Sutton's planning-process page states that its current Local Validation List was adopted in August 2026. Use that page to reach the current list rather than assuming a 2024 checklist found elsewhere is the latest version. Its evidence library also links conservation-area appraisals and local character studies; distinguish draft policy from adopted guidance.
- Sutton Article 4 directions and property schedules
- Sutton current validation list and planning process
- Sutton application requirements by type
- Sutton policy evidence library and heritage studies
Sources reviewed . Check the source maps, wording and effective dates against your property and proposed work.
What reviewed local decisions show
These examples use official planning records. Each identifies the decision date and links to the evidence reviewed. They are not Planning Approvals projects or a prediction for another property.
5 Manor Road: a lesser fallback did not justify the larger scheme
DM2023/00167 · APP/P5870/D/23/3326591 · Appeal dismissed, 19 December 2023
The proposal combined front, side, rear and roof additions. The inspector questioned the relevance of the area’s inter-war heritage description to this later house, but still found the extension excessively bulky and poorly related to the original building. The prior-approval fallbacks would have a lesser impact.
What to check: Assess all additions together. Challenging one refusal argument does not resolve the remaining design harm, and a smaller prior-approval fallback does not authorise a larger planning scheme.
Read the appeal decision (PDF)
Related guidance: Two-storey extensions · Prior approval
Check the planning register for the issued notice, exact conditions and any later appeal or revised application. A committee resolution is not a substitute for those documents.
Application records to compare
Selected archive records, not a representative sample or a prediction for your address. The descriptions below are archive excerpts and may be shortened; read the original decision and plans before relying on them.
- DM2024/01363 · Recorded approved (2026)
Erection of a part one, part two side/rear extension, conversion of loft including raising main ridge line and dormer extensions at front, side and rear to f...
Open the council record for DM2024/01363 - DM2025/01177 · Recorded approved (2026)
Erection of a single storey rear extension.
Open the council record for DM2025/01177
Compare the property type, works and application route. A scheme involving flats or several alterations is not directly comparable to a simple house extension. Read the archive's coverage and limitations.
Sutton planning resources
Check the authority's current records for the property's planning history, application requirements and local restrictions.
Prepare for your planning application
Questions about planning in Sutton
Do I need planning permission for my project in Sutton?
Some house extensions, loft conversions and outbuildings can use permitted development rights in Sutton, but size alone does not establish eligibility. Check the property type, previous extensions, planning conditions and the rules for the proposed work. Householder rights do not apply to flats. Conservation areas and Article 4 directions restrict particular rights; they do not automatically require an application for every change. Listed building consent is a separate requirement for works affecting a listed building's special interest.
What is the planning approval rate in Sutton?
It depends on the project type. 77% of 3,670 decided single-storey rear extension applications in Sutton were approved. 82% of 297 decided loft conversion and dormer applications in Sutton 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. Every project type is on the Sutton approval rates page.
Read the official guidance on when permission is required, listed buildings and conservation areas and planning decision periods.
Approval rates are computed from 2,343,419 decided applications across 181 councils, published by each council. The free check is guidance from the public record, not a council decision.