Blackfen, Bexley - Greater London Planning Applications
Recent planning applications near Blackfen, Bexley - Greater London.
Bexley - Greater London · England · settlement
Planning applications in Blackfen are administered by London Borough Of Bexley. View the full London Borough Of Bexley planning applications page for approval rates and decision timelines.
About Blackfen
Blackfen is a district in South East London, situated within the London Borough of Bexley. Located north of Sidcup and south of Welling, it has a rich history dating back to its time in the historic county of Kent before Greater London was established in 1965. This area may offer diverse planning opportunities, given its residential character and proximity to key transport links.
Enter a postcode to search for planning applications near Blackfen.
Town Insights
Property Prices
Average property sale price: £399,800 (based on 50 recent transactions from HM Land Registry).
Area Information
- Admin district: Bexley
- Parliamentary constituency: Old Bexley and Sidcup
- LSOA: Bexley 024E
Crime Statistics
0 crimes reported in 2026-05.
Flood Risk
No active flood warnings near Blackfen.
Keyword Scorecard
Planning constraint analysis based on the last 24 months of applications near Blackfen.
- Ecology & Wildlife Constraints (keywords: bats, bat survey, bat roost, great crested newt, GCN...)
- Trees & Landscape (keywords: tree preservation order, TPO, arboricultural, tree survey, root protection area...)
- Flood & Drainage (keywords: flood zone 2, flood zone 3, flood risk assessment, FRA, surface water...)
- Heritage & Conservation (keywords: listed building, grade II, grade II*, grade I, conservation area...)
- Green Belt (keywords: green belt, inappropriate development, very special circumstances, openness)
- Highways & Access (keywords: visibility splays, highway authority objection, access arrangement, parking provision, transport statement...)
- Refusal & Risk Indicators (keywords: refusal, delegated refusal, appeal dismissed, overdevelopment, character and appearance...)
- Planning Process & Appeals (keywords: appeal lodged, appeal allowed, appeal dismissed, public inquiry, inspector)
Planning Activity Summary
Approval rates, average decision times, and application type distribution for Blackfen based on the last 24 months of planning data.
Nearby Applications
27 planning applications found near Blackfen.
- - 19 Queenswood Road Sidcup Kent DA15 8QP
Erection of a single storey rear extension.
Status: Undecided | Type: Full | Council: Bexley | Date: 2026-07-07
View full details - - 31 Blackfen Road Sidcup Kent DA15 8QD
Lawful Development Certificate (Proposed) for the erection of a single storey detached outbuilding to rear garden.
Status: Undecided | Type: Outline | Council: Bexley | Date: 2026-06-26
View full details - - 2 Montgomery Close Sidcup Kent DA15 8RA
Non material amendment to alter fenestration of approved application 26/00051/FUL which allowed the 'Erection of single storey front and side extensions to both flanks and conversion of roof space inv
Status: Undecided | Type: Amendment | Council: Bexley | Date: 2026-06-18
View full details - 26/00051/FULMIN · Received: Thu 18 Jun 2026 · Validated: Thu 18 Jun 2026 - 2 Montgomery Close Sidcup Kent DA15 8RA
Non material amendment to alter fenestration of approved application 26/00051/FUL which allowed the 'Erection of single storey front and side extensions to both flanks and conversion of roof space inv
Status: Undecided | Council: Bexley | Date: 2026-06-18 - - The Royal Borough Of Greenwich 2A Parish Gate Drive DA15 8TH
Neighbouring borough consultation for: Upward extension to provide one additional storey above the footprint of the dwellinghouse.
Status: Undecided | Type: Outline | Council: Bexley | Date: 2026-06-01
View full details - 26/01030/FUL · Received: Fri 22 May 2026 · Validated: Fri 22 May 2026 - 34 Elmcroft Avenue Sidcup Kent DA15 8NN
Erection of a first floor side extension, single storey rear extension and conversion of garage to habitable room.
Status: Undecided | Council: Bexley | Date: 2026-05-22 - - 99 Lyndon Avenue Sidcup Kent DA15 8RW
The erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 6.00 metres, for which the maximum height would be 3.06 metres, and for which the heigh
Status: Undecided | Type: Outline | Council: Bexley | Date: 2026-04-13
View full details - - 5 PERPINS ROAD, AVERY HILL, LONDON, SE9 2LF
Prior Approval for the construction of a single storey rear extension, which will extend beyond the rear wall of the original dwelling by 5.30m, for which the maximum height will be 3.00m and the heig
Status: Undecided | Type: Outline | Council: Greenwich | Date: 2026-04-02
View full details - - 87 Orchard Rise West Sidcup Kent DA15 8TA
Lawful Development Certificate (Proposed) for the conversion of roof space involving alterations to existing roofline, including a hip to gable enlargement, a rear dormer extension and a window to fla
Status: Undecided | Type: Outline | Council: Bexley | Date: 2026-03-30
View full details - - 16 Leechcroft Avenue Sidcup Kent DA15 8RS
Lawful Development Certificate (Proposed) for the conversion of roof space including hip to gable enlargement, rear dormer extension and rooflights to front roof slope.
Status: Undecided | Type: Outline | Council: Bexley | Date: 2026-03-05
View full details - - 168 Blackfen Road Sidcup Kent DA15 8PT
Application to approve details of condition 4 (Travel Plan) pursuant to application 19/01738/FUL for Change of use from light industrial (Class B1) to Martial Arts Studio (Class D2).
Status: Undecided | Type: Conditions | Council: Bexley | Date: 2026-02-26
View full details - - 13 Blackfen Road Sidcup Kent DA15 8QD
Application to approve details of conditions 10 (Vehicle Parking) and 15 (Car Park Management) pursuant to application 19/00030/FUL for Redevelopment of site to create a part 2 storey, part 3 storey b
Status: Undecided | Type: Conditions | Council: Bexley | Date: 2026-02-19
View full details - - 2 Montgomery Close Sidcup Kent DA15 8RA
Lawful Development Certificate (Proposed) for the conversion of roof space involving alterations to existing roofline, including a rear dormer extension.
Status: Permitted | Type: Outline | Council: Bexley | Date: 2026-02-12
View full details - - 149 Blackfen Road Sidcup Kent DA15 8PZ
Lawful Development Certificate (Proposed) for the conversion of roof space including hip to gable enlargement, rear dormer extension and rooflights to front roof slope.
Status: Permitted | Type: Outline | Council: Bexley | Date: 2026-01-21
View full details - - 99 Blackfen Road Sidcup Kent DA15 8PZ
Erection of single storey detached outbuilding to provide annexe accommodation.
Status: Conditions | Type: Full | Council: Bexley | Date: 2025-12-29
View full details - - 13 Boundary Road Sidcup Kent DA15 8SS
Erection of a part one / part two storey rear extension and installation of hardstanding to front driveway, following demolition of existing rear addition.
Status: Undecided | Type: Full | Council: Bexley | Date: 2025-12-22
View full details - - 129 Raeburn Road Sidcup Kent DA15 8RE
Erection of a detached two storey dwelling with conversion of roof space involving alterations to existing roofline, including a dormer extension at rear and a rooflight to front roofslope, with refus
Status: Undecided | Type: Full | Council: Bexley | Date: 2025-12-12
View full details - - 6 RAINHAM CLOSE, AVERY HILL, LONDON, SE9 2JB
Demolition and re-position of front elevation wall with demolition of front garden wall and installation of dropped curb with associated works. Proposal also includes the insetting of the front wall b
Status: Rejected | Type: Full | Council: Greenwich | Date: 2025-11-19
View full details - - 2A Parish Gate Drive Sidcup Kent DA15 8TH
Neighbouring Borough Consultation for: Construction of a second storey with one front roof light above the footprint of the dwellinghouse.
Status: Conditions | Type: Outline | Council: Bexley | Date: 2025-07-16
View full details - - 21 Fen Grove Sidcup Kent DA15 8QG
Lawful Development Certificate (Proposed) for the conversion of roof space including a hip to gable enlargement, a rear dormer extension, a window to flank and rooflights to front roofslope.
Status: Permitted | Type: Outline | Council: Bexley | Date: 2025-03-20
View full details
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A brief summary of Blackfen in Bexley - Greater London
Blackfen is a district in South East London, situated within the London Borough of Bexley. Located north of Sidcup and south of Welling, it has a rich history dating back to its time in the historic county of Kent before Greater London was established in 1965. This area may offer diverse planning opportunities, given its residential character and proximity to key transport links.
Property prices in Blackfen show an average sale price of £399,800, based on 50 recent transactions recorded by HM Land Registry.
There were no crimes reported in the immediate area during the most recent reporting period. This makes Blackfen a particularly low-crime area.
Blackfen has 5 conservation areas within its boundaries: Halfway Street, No data available for publication by HE, The Oval, Willersley Avenue and Braundton Avenue, The Hollies. Planning applications within or near these conservation areas are subject to additional scrutiny to preserve the architectural and historic character of the area. Homeowners and developers should be aware that permitted development rights may be restricted.
Ecology & Nature Designations
The area around Blackfen includes 1 Sites of Special Scientific Interest (SSSI): Oxleas Woodlands SSSI; 2 Ancient Woodland sites. These designations may affect planning decisions, as proposals near protected sites require environmental impact assessment and may face additional restrictions.
For anyone interested in property development or monitoring local planning decisions, Blackfen planning applications can be searched by entering a local postcode above. Results include full application details, decision status, and the ability to track applications over time and set planning alerts to help you monitor and review pending planning applications.
Planning Activity in Blackfen
In the last 24 months, 84 planning applications were submitted near Blackfen. Of these, 72% were approved, with an average decision time of 58 days.
This is below the national average of approximately 87%, which may reflect stricter local policies, sensitivity of the area, or higher levels of speculative applications. Pre-application advice is particularly worthwhile near Blackfen.
At 58 days on average, decisions near Blackfen slightly exceed the 8-week statutory target for minor applications, though this is common across many councils.
The most common application types near Blackfen were outline applications (33), full planning applications (31), discharge of conditions (8).
In terms of development scale, 2 medium-scale applications, 77 smaller schemes were submitted. The absence of major applications suggests the area is primarily characterised by smaller-scale improvements and extensions rather than large new developments.
4 planning appeals were lodged, of which 1 was allowed and 3 were dismissed (25% success rate).
Application Outcomes
- Approved: 23 applications
- Refused: 9 applications
- Awaiting decision: 52 applications
Nearby Towns
Explore planning applications in nearby areas:
- Avery Hill planning applications
- Falconwood planning applications
- Welling planning applications
- Bexley planning applications
- Longlands planning applications
- New Eltham planning applications
- Sidcup planning applications
- Shooters Hill planning applications
Related Planning Guides
- What Is Planning Permission in the UK? — Planning permission is the formal approval you need from your local council before making certain changes to a building or piece of land.
- What Is Permitted Development? — Permitted development rights allow certain building works and changes of use without the need to apply for planning permission.
- How Long Does Planning Permission Take? — Typical timelines for planning permission decisions in the UK, from submission to approval, and what can cause delays.