28 Cotton Road Potters Bar Hertfordshire EN6 5JG Data via plota.co.uk
Proposal
Conversion of loft to habitable space with hip to gable roof alterations, rear dormer with Juliet balcony, and insertion of 2x front rooflights. Certificate of Lawful Development (Proposed). Data via plota.co.uk
Application progress
Approved on 25 Jun 2026 · Delegated Decision · Last checked 5 Jul 2026
Documents 12
Decision & officer reports 2
Plans & drawings 9
Application forms 1
Site constraints 3
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 £475,000 in January 2018. Semi-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 September 2017, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate
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Important details
- Council
- Hertsmere
- Application type
- Certificate Proposed Lawful Use/Dev
- Postcode
- EN6 5JG
- Received
- 29 Apr 2026
- Validated
- 29 Apr 2026
- Ward
- Potters Bar Oakmere
- Parish
- No Parish
- Case officer
- Show
- Target decision
- 24 Jun 2026
- Decision
- Grant Lawful Certificate (Proposed Dev)
- Decision date
- 25 Jun 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Kilo Architects
How this decision compares
Decided in 57 days from validation, about the council's usual 55 days. Approved, as 86% of extensions here are.
Plota live figures for extensions decided by Hertsmere in the last twelve months, from validation. Hertsmere decision record →
Consultation & key dates
- Alt. reference
- PP-14807673
- Planning Portal ref
- PP-14807673
- Statutory expiry
- 24 Jun 2026
- Env. assessment
- No
Historical activity at this location
27 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Hertsmere is slower than most councils at deciding householder applications, ranking #243 out of 296. 55% of applications have the time limit extended, above the 41% national average. Householder applications are slightly more likely to be approved here (94%) 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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28 Cotton Road Potters Bar Hertfordshire EN6 5JG
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