5 Knowle Close Copthorne Crawley West Sussex RH10 3LR Data via plota.co.uk
Proposal
Single storey side and front extension, porch extension, partial garage conversion, new first floor with side dormer extension, installation of x3 rooflights, and alterations to the fenestration. Data via plota.co.uk
Application progress
Approved on 22 Sept 2026 · Delegated Decision · Last checked 23 Sept 2026
Site constraints 5
Checked on 6 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. Historic England, the Environment Agency, Natural England and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Sales history 1
Last sold for £465,000 in August 2025. Detached house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
From the energy performance certificate lodged in April 2025, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate
Every application in Mid Sussex - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
- Council
- Mid Sussex
- Application type
- Householder Application
- Postcode
- RH10 3LR
- Received
- 28 Apr 2026
- Validated
- 31 Jul 2026
- Ward
- Copthorne And Worth
- Parish
- Worth
- Case officer
- Show
- Target decision
- 25 Sept 2026
- Decision
- Permission
- Decision date
- 22 Sept 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Show
How this decision compares
Decided in 53 days from validation, about the council's usual 55 days. Approved, as 94% of extensions here are.
Plota live figures for extensions decided by Mid Sussex in the last twelve months, from validation. Mid Sussex decision record →
Public comments
No public comments yet.
7 neighbours consulted · Last counted 23 Sept 2026
Consultation & key dates
- Alt. reference
- PLP-00002122
- Statutory expiry
- 25 Sept 2026
- Env. assessment
- No
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Nearby activity
Mid Sussex ranks #150 out of 296 councils for householder decision speed. Householder applications are slightly more likely to be approved here (93%) than the national average (90%).
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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5 Knowle Close Copthorne Crawley West Sussex RH10 3LR
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