Last updated 8 October 2026
Demographics
Who lives here
Area classification: Baseline UK
Population
5,670
Households
2,203
Median age
38.1
Age bands
Ethnicity
Housing
Housing stock
Property type
Build age
Energy efficiency · avg score 66
Tenure
Market
Market
Median price
£223,957▲
Avg price
£257,047
Sales
19,678
Rent YoY
6.9%▲
Price trend
Deprivation
Deprivation & opportunity
Where it ranks nationally (IMD decile 8)
Domains
- Crime612345678910
- Health812345678910
- Income512345678910
- Housing412345678910
- Education412345678910
- Employment612345678910
- Environment412345678910
Safety
Safety
Crimes (12mo)
595▲
By crime type
Connectivity
Getting around
Gigabit broadband
97.2%
Ultrafast broadband
97.2%
Superfast broadband
99.7%
5G coverage
88.6%
Bus stops
10
EV chargers
511
Nearest rail station: Welling Rail Station (1.62 km)
Environment
Environment
Nearest greenspace
170.6 m
Air NO₂
14.9687 µg/m³
Air PM
8.0379 µg/m³
Road noise
>=75.0
Designations
- Aqma
Nearest bathing water: The Serpentine - Hyde Park — rated Sufficient (19.86 km)
Risk
Risk & hazard
- Flood Defence Nearby
Radon class 1 · Shrink-swell risk: Significant
Heritage
Heritage
Services
Schools & services
Schools
0
Childcare providers
1
Nearest hospital: Princess Royal University Hospital (9.86 km)
Streets
Streets in Blackfen
- Blackfen Road
- Sutherland Avenue
- Days Lane
- Burnt Oak Lane
- Westwood Lane
- East Rochester Way
- Yorkland Avenue
- Lyndon Avenue
- Wellington Avenue
- Tyrrell Avenue
- Burns Avenue
- Park Mead
- Penshurst Avenue
- Ingleton Avenue
- Lime Grove
- Groombridge Close
- Harman Drive
- Elmcroft Avenue
- Gwillim Close
- Portland Avenue
- Wellan Close
- Maple Crescent
- Ashcroft Avenue
- Unnamed street
- Sycamore Avenue
- Ashcroft Crescent
- Clayworth Close
- Merino Place
- Curran Avenue
- Unnamed street
- Fairweather Close
- Chailey Close
- Unnamed street
- Unnamed street
- Unnamed street
- Hawthorn Terrace
Planning
Planning activity
Applications (recent)
116
Show 25 recent applications
- Formation Of Vehicular Access And Hardstanding.
- Formation Of Vehicular Crossover.
- Erection Of Single Storey Side/Rear Extension.
- Erection Of A First Floor Side Extension With Alterations To Existing Roofline.
- Change Of Use Of Existing Integral Garage To Studio Flat (Class C3) Along With Associated Refuse And Cycle Storage.
- Installation Of Service Hatch To Front Elevation.
- Application For A Lawful Development Certificate (Existing) For The Continued Use Of The Premises As An MOT Test Centre (Use Class B2)
- Lawful Development Certificate (Proposed) For Erection Of Single Storey Outbuilding Following Demolition Of Existing Outbuilding.
- Lawful Development Certificate (Proposed) For The Conversion Of Roof Space Including Rooflights To Front And Rear Roofslope And Removal Of C
- The Erection Of A Single Storey Rear Extension, Which Would Extend Beyond The Rear Wall Of The Original House By 4.00 Metres, For Which The
- Formation Of A Vehicular Access And Formation Of Hard Standing To The Front Of The Property.
- Application To Approve Details Of Conditions 3 (Materials), 6 (Cycle Parking), 7 (Refuse Storage), 8 (Sustainable Design Measures) And 9 (Wa
- Erection Of Single Storey Dwelling House Along With Associated Parking And Amenity Space Following The Demolition Of Existing Outbuilding.
- Change Of Use Of First Floor Residential Units (Class C3) To Houses Of Multiple Occupation (Class C4) For Up To Three Persons Each.
- Single Storey Rear Extension Following Demolition Of Existing Rear Extension.
- Lawful Development Certificate (Proposed) For The Conversion Of Roof Space Involving Alterations To Existing Roofline, Including A Rear Dorm
- Erection Of A Single Storey Rear Extension.
- Erection Of A Single Storey Front Extension.
- Conversion Of Existing Undercroft Parking To A Self-Contained Studio Flat With Alterations To Cycle & Refuse Storage And Alterations To Fron
- Conversion Of Roof Space Including Front Rooflights And Rear Dormer Extension.
- Erection Of Single Storey Rear Extension Following Demolition Of Lean-To.
- Application To Approve Details Of Condition 2 (Cycle Parking) 3 (Refuse Storage) Pursuant To Application 24/00218/FUL For Retrospective Chan
- Erection Of A Single Storey Rear And Side Extension.
- Installation Of Six Rapid EV Charging Stations And Ancillary Equipment To Replace Nine Existing Spaces.
- Lawful Development Certificate (Existing) For Retention Of Dormer Extension To Roof.
About
About property data in Blackfen
The population here is approximately 5,670, with a median age of 38. The dominant construction era here is 1900 1944. The dominant tenure type here is owned. There were 595 recorded crimes here in the last 12 months, up 10.3% year-on-year. This area has an IMD decile of 8. This area covers 36 streets in our records.
FAQ
Frequently asked questions
Nearby
Suburbs in city-of-london
Data sources: Census 2021 England and Wales public tables, Conservation Areas (Historic England / Local Authorities), Energy Performance Certificates (MHCLG), Environment Agency Flood Map for Planning, Get Information about Schools establishment data, Indices of Multiple Deprivation (MHCLG), National Heritage List for England (Historic England), OS Built Up Areas (Ordnance Survey), OS Open Linked Identifiers, OS Open Names, OS Open UPRN, OS Open USRN, Police.uk open crime and anti-social behaviour data, Price Paid Data, UK Radon Potential (UKHSA/BGS).