Slough Council approves 82.9% of planning applications, based on 17,879 real decisions analysed from the council’s public planning portal. The national average across all councils tracked by PlanningLens is 88.6%. Slough sits 5.7 percentage points below the national average.
According to PlanningLens analysis of 1,040 decided applications, Slough Council approved 76.0% of planning applications in 2025. Across 17,879 decisions analysed since January 2020, the overall approval rate in Slough is 82.9%; the national average across UK councils tracked by PlanningLens is 88.6%.
Source: PlanningLens (planninglens.co.uk) analysis of Slough council planning portal records · Updated August 2026 · Quote freely with attribution
Enter your postcode for a free, personalised approval pattern report, based on your ward and application type.
Not all applications are treated equally. Extension types, listed building consent, and change of use applications each have very different success rates in Slough.
| Application Type | Approved | Refused | Total | Rate |
|---|---|---|---|---|
| Full | 8,948 | 1,723 | 10,671 | 83.9% |
| Other | 2,830 | 804 | 3,634 | 77.9% |
| Certificate of Lawfulness | 1,923 | 440 | 2,363 | 81.4% |
| Advertisement | 541 | 34 | 575 | 94.1% |
| Trees | 329 | 27 | 356 | 92.4% |
| Prior Approval | 168 | 30 | 198 | 84.8% |
| Listed Building | 78 | 4 | 82 | 95.1% |
A loft conversion in one ward can have a 90% approval rate. In the next ward, 55%. The free check tells you which side you're on, your free property report is emailed in minutes.
Check My PostcodeWard-level data reveals where planning applications are most and least likely to succeed. Officers, local policies, and neighbourhood character all play a role.
| Ward | Approved | Refused | Total | Rate |
|---|---|---|---|---|
| Upton | 1,376 | 246 | 1,622 | 84.8% |
| Langley St. Marys | 1,045 | 186 | 1,231 | 84.9% |
| Farnham | 827 | 121 | 948 | 87.2% |
| Cippenham Green | 666 | 156 | 822 | 81.0% |
| Haymill | 635 | 122 | 757 | 83.9% |
| Chalvey | 608 | 126 | 734 | 82.8% |
| Colnbrook-and-Poyle | 486 | 86 | 572 | 85.0% |
| Britwell | 362 | 62 | 424 | 85.4% |
| Elliman | 196 | 62 | 258 | 76.0% |
| Langley Meads | 58 | 18 | 76 | 76.3% |
| Manor Park & Stoke | 48 | 14 | 62 | 77.4% |
| Langley Marish | 44 | 18 | 62 | 71.0% |
| Northborough & Lynch Hill Valley | 32 | 21 | 53 | 60.4% |
| Baylis & Salt Hill | 37 | 15 | 52 | 71.2% |
| Wexham Court | 44 | 7 | 51 | 86.3% |
| Upton Lea | 31 | 8 | 39 | 79.5% |
| Herschel Park | 27 | 12 | 39 | 69.2% |
| Cippenham Manor | 32 | 2 | 34 | 94.1% |
| Langley Foxborough | 23 | 8 | 31 | 74.2% |
| Cippenham Village | 23 | 6 | 29 | 79.3% |
| Slough Central | 24 | 4 | 28 | 85.7% |
| Langley St. Marys, Upton | 7 | 2 | 9 | 77.8% |
| Britwell, Haymill | 6 | 0 | 6 | 100.0% |
| Britwell, Farnham | 6 | 0 | 6 | 100.0% |
How Slough’s planning approval rate has changed year by year, down 7.0pp since 2018.
Bar height reflects approval rate. Colour: green ≥85%, amber ≥70%, red below 70%.
Real residential planning decisions from Slough council. Each reference links to the council's own planning portal so you can verify the details yourself.
| Reference | Proposal | Decision |
|---|---|---|
| P/06724/005 Langley Marish | Construction of a single storey rear extension and bin store | Approved |
| Y/21102/000 Manor Park & Stoke | The erection of a single storey rear extension, which would extend beyond the re | Refused |
| P/21037/000 Britwell | Construction of a single storey detached rear outbuilding for use of an addition | Approved |
| P/17806/003 Upton | Construction of a proposed detached outbuilding to the rear garden. | Approved |
| P/21092/000 Langley Meads | Lawful Development Certificate for a proposed loft conversion to create habitabl | Approved |
| P/16962/001 Britwell | Construction of a part single storey, part two storey side and rear extension to | Refused |
| P/21108/001 Langley Marish | Lawful development certificate for proposed loft conversion for habitable use wi | Approved |
| P/03084/007 Upton | Planning application for the conversion of existing dwelling to two 3no. bedroom | Refused |
| P/01228/001 Slough Central | Construction of a proposed single storey rear extension to existing dwelling wit | Approved |
| Y/21104/000 Wexham Court | The erection of a single storey rear extension, which would extend beyond the re | Approved |
Find out what actually gets approved near your address first. Your free property report analyses the 20 nearest decisions to your property, ward-specific refusal patterns, and extension-by-extension approval patterns. Based on Slough's 17,879 real decisions. Free, emailed in minutes.
Check my postcodeCompare Slough's planning approval rates with neighbouring areas:
Dig deeper into Slough's planning statistics, by ward, extension type, or project category:
Data-driven guides to help you understand planning approval patterns:
Yes. PlanningLens offers a free planning permission check for Slough. Enter your postcode to instantly see approval rates for your ward and application type, based on 17,879 real decisions from Slough council. The full property-specific report is also free and emailed within minutes.
Enter your postcode on PlanningLens for a free instant check based on Slough's real planning decisions. The free property report goes further: it analyses the 20 nearest comparable decisions to your property, ward-level refusal patterns, and approval rates by application type. Free and emailed within minutes.
Based on 17,879 planning decisions, the overall approval rate in Slough is 82.9%. The national average across councils tracked by PlanningLens is 88.6%. Rates vary significantly by ward and application type.
PlanningLens has analysed 17,879 planning decisions from Slough council. 14,817 were approved and 3,062 were refused. These figures cover decisions from January 2020 to the present.
The average approval rate in Slough is 82.9%, but outcomes depend heavily on your specific ward, the type of extension or development you are proposing, and local planning policy. Use the free PlanningLens postcode check to get a personalised score.
Writing about planning in Slough? These figures are free to republish with attribution. Copy the one-line citation, or paste the stat box into any website, CMS or newsletter, it carries its own styling and links back to this page for verification.