17 Marion Crescent, Orpington, BR5 2DE Data via plota.co.uk
Proposal
Single storey rear extension, extending beyond the rear wall of the original house by 6m, for which the maximum height would be 3m, and for which the height of the eaves would be 3m (42 Day Notification for Householder Permitted Development Prior Approval) Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision around 21 Nov 2026, from Bromley's recent extensions.
Documents 14
Plans & drawings 13
Site constraints 6
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, 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 £325,000 in September 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 2018, 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 Bromley - and every UK council - as a live feed, an API, or a bulk CSV export.
Nearby new applications
LAND ADJACENT TO 5, BRIDGE ROAD, ORPINGTON
The clearance of the existing building remnants and construction of 2x two-store...
21 LOCKESLEY DRIVE, ORPINGTON, BR5 2AA
Single story rear/side extension and elevational alterations
8 MAY AVENUE, ORPINGTON, BR5 2ED
Demolition of existing rear extension and erection single storey rear extension ...
59 FRIAR ROAD, ORPINGTON, BR5 2BW
Single storey side extension
58 FRIAR ROAD, ORPINGTON, BR5 2BW
Single storey rear and first floor side extension, new roof to front bay window ...
BAPTIST CHURCH, POVEREST ROAD, ORPINGTON, BR5 2DQ
Details submitted to comply with the requirements of the following informative r...
Important details
Decision outlook
Day 13 of the 56-day target. Bromley usually decides extensions by day 56.
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 30 Sept 2026
Consultation & key dates
- Comments by
- 21 Oct 2026
Historical activity at this location
12 nearby applications on record - archival context, not part of the live application.
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.
Track this application
17 Marion Crescent, Orpington, BR5 2DE
Tracking this application
Not there in a minute? Check junk - especially Hotmail and Outlook.
Go to your dashboard →Sign in to view contact details
Applicant and case-officer names are hidden from public view for privacy. Create a free Plota account - or sign back in - and we'll show them, plus you get a dashboard for alerts and tracked applications.
Comments are open until 21 Oct 2026