17 Knoll Rise, Orpington, BR6 0EJ Data via plota.co.uk
Proposal
Erection of front porch and loft conversion with front rooflight, rear dormer, L shape rear/side dormer and gable end to rear Data via plota.co.uk
Application progress
Approved on 13 Jul 2026 · Delegated Decision · Last checked 22 Aug 2026
Documents 9
Decision & officer reports 2
Plans & drawings 6
Site constraints 4
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI), Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) 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 2
Last sold for £727,500 in April 2019. 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 August 2025, 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
How this decision compares
Decided in 56 days from validation, about the council's usual 56 days. Approved, as 77% of extensions here are.
Plota live figures for extensions decided by Bromley in the last twelve months, from validation. Bromley decision record →
Public comments
No public comments yet.
Last counted 22 Aug 2026
Consultation & key dates
- Comments by
- 11 Jun 2026
Historical activity at this location
28 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Bromley ranks #143 out of 296 councils for householder decision speed. Bromley is also one of the strictest councils - it refuses more householder applications than almost any other, with only 79% approved vs 90% nationally.
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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17 Knoll Rise, Orpington, BR6 0EJ
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