Property profile

379Blackfen Road

DA15 9NJ

Blendon & Penhill

Area profile →

Map showing 379, Blackfen Road, Sidcup

Property Price
150k200k250k300k400k500k750k1.5M

Estimated sale price

£735,000

Detached sold in Blendon & Penhill

The box shows the middle 50% of detached sale prices, the whiskers show the 5th to 95th percentile, and the marker shows this property's estimated price.

Half of similar homes sold within the box; most sold within the wider line.

An indicative model estimate, not a survey or formal valuation.

This property vs market

Last sold05 Oct 2018
£640,000Change since last sale: +£96,000 (+15%)
Annualised change
+1.8% per yearBexley annualised change (detached) since 2018: +2.1% per yearThis property's value is moving in line with the market
Price per sq ftLocal median £481 per sq ft
£405 per sq ftEstimate vs local median: −£76 per sq ft (−16%)
Local sold pricesMedian for detached in Blendon & Penhill
£753,250Estimate vs local median: −£17,000 (−2.3%)
How this estimate is calculated

Area360's automated valuation uses available property details, recorded sales and local market data to estimate a sale price. This automated estimate is a guide, not a survey, mortgage valuation or formal valuation. See the valuation methodology and limitations.

Estimate calculated .

Property facts

Property typeHouse / Detached
TenureFreehold
Construction period1930-1949
Floor area169 m² / 1,819 sq ft
Rooms6 habitable / 6 heated
EPC ratingD
EPC inspection25 Apr 2018

Sales history

DatePriceChange
05 Oct 2018£640,000+78%
01 Aug 2017£360,000-

Local market

Property prices in Blendon & Penhill

Median price£475,000
Price per sq ft£518
Sales (last 12 months)196
Typical range (middle 50%)£400K – £600K

Based on 196 recent sales, the median property price is £475,000 (about £518 per square foot) in Blendon & Penhill area, with individual transactions ranging from £196,000 up to £915,000.

Prices by property typelast 12 months

Median sale price, median price per square foot, sales count, and percentile information for each property type in Blendon & Penhill over the last year.
TypeSalesMedian£/sq ft
Detached16£753,250£481
Semi-Detached71£591,000£506
Terraced95£426,000£548
Flats14£269,000£436

10-year price trendmedian sale price in Blendon & Penhill

Sale price

Ten year median sale price trend for each property type in Blendon & Penhill.
YearDetachedFlatsSemi-DetachedTerraced
2016£482,000£225,500£476,500£347,500
2017£527,500£265,000£490,000£342,500
2018£565,000£251,250£480,000£340,000
2019£562,500£255,000£475,000£357,500
2020£608,000£245,000£504,000£375,000
2021£620,000£256,000£515,000£390,000
2022£675,000£287,000£600,000£421,250
2023£692,500£275,000£586,500£415,000
2024£630,000£280,000£561,000£425,000
2025£721,250£270,000£580,000£420,750
2026£730,000£280,000£598,750£432,000
Ten year median sale price trend for each property type in Blendon & Penhill.

Price per sq ft

Ten year median sale price per square foot trend for each property type in Blendon & Penhill.
YearDetachedFlatsSemi-DetachedTerraced
2016£361£371£412£438
2017£485£384£417£450
2018£478£393£434£465
2019£426£400£440£457
2020£490£386£446£448
2021£486£388£465£491
2022£499£483£506£544
2023£524£427£514£554
2024£565£397£511£555
2025£498£424£498£544
2026£538£455£514£544
Ten year median sale price per square foot trend for each property type in Blendon & Penhill.

Price distribution by property typelast 12 months

Price distribution by property type for Blendon & Penhill in the last year.

Recent sales

There were 50+ recent sold properties in the last 18 months near DA15 9NJ.

Recent sold properties in the last 18 months near DA15 9NJ
DateAddressTypeTenurePriceMap
20 Mar 2025395A, Blackfen Road, Sidcup, DA15 9NJTerracedFreehold£475,000
22 Aug 2025380, Blackfen Road, Sidcup, DA15 9NZSemi-DetachedFreehold£365,000
02 Apr 20269, Rochester Close, Sidcup, DA15 9PGSemi-DetachedLeasehold£235,000
16 Mar 202682, Park Mead, Sidcup, DA15 9PFFlatsLeasehold£280,000
20 Mar 2026374, Blackfen Road, Sidcup, DA15 9NYTerracedFreehold£339,700

Other properties at this postcode

AddressTenureFloor areaLast sale
343, Blackfen Road, SidcupFreehold63 m²£282,000 (2020)
343A, Blackfen Road, SidcupFreehold65 m²£342,000 (2016)
347 Blackfen Road, SidcupFreehold107 m²£460,000 (2022)
351, Blackfen Road, SidcupFreehold181 m²£525,000 (2015)
353, Blackfen Road, Sidcup-103 m²-
355 Blackfen Road, SidcupFreehold89 m²£372,500 (2018)
359, Blackfen Road, SidcupFreehold97 m²£430,000 (2017)
367, Blackfen Road, SidcupFreehold123 m²£285,000 (2010)
369, Blackfen Road, SidcupFreehold99 m²£577,000 (2021)
373, Blackfen Road, SidcupFreehold125 m²£430,000 (2014)

Area insights for DA15 9NJ

Full area profile →

Overview

Postcode DA15 9NJ is located in a major urban area, within the Blendon & Penhill ward of Bexley in the London region, and forms part of the Blackfen area. It has average deprivation and average crime levels, with around 61.8 crimes per 1,000 residents per year, about 52% below the London average of 130 per 1,000. The average income per household in Blackfen is £77,495 per year. The nearest station is Welling, about 1.1 miles away. There are 10 primary and 4 secondary schools in the area. There is 1 park nearby, the closest large park is Danson Park.

Crime rate
5/10
Crimes per 1k residents
62
Deprivation level
5/10
Income level
6/10
Social housing
22%
Connectivity
4/10
Flood Risk
No risk
Noise Level
High

Deprivation level

5/10

Blackfen has an average level of deprivation, ranked at position 19,194 out of 32,844 areas in the United Kingdom, placing it within the bottom 42% least deprived areas in England.

Crime level

5/10

Blackfen has an average crime rate, with approximately 61.8 reported incidents per 1,000 population each year.

Social housing

22%

Approximately 22.0% of homes on this street are social housing provided by a local council or housing association. Across the surrounding area, around 4.0% of dwellings are socially rented.

Income level

6/10

The average income per household in Blackfen is £77,495 per year.

Noise Level

High

High noise level (70.0-74.9 dB) from road, approximately 43 ft away from DA15 9NJ.

Flood risk

No risk

Blackfen near DA15 9NJ has no flood risk (less than 0.1% chance of a flood each year) from rivers and sea.

Transport

4/10

The nearest station is Welling located about 1.1 miles away. There are no other stations nearby.

Parks

Nearby parks and green spaces for DA15 9NJ
DistanceNameSizeDirections
0.5 miDanson ParkLargeWalking directions to Danson Park

Area Profile

Population
301
Population density
7,046.5 per km²

Crime

Crime per 1,000 population

Violence and sexual offences
22.25(-28%)
Drugs
17.31(+179%)
Anti-social behaviour
12.98(-52%)
Shoplifting
7.42(-26%)
Criminal damage and arson
6.18(+8%)
London average

Demographics

Ethnic groups

British
208
68.42%
African
19
6.25%
Other White
15
4.93%
Other Asian
11
3.62%
Caribbean
9
2.96%
Total population: 304

Economics

Education (age 16+)

Level 4+ (Degree)
55
22.82%
Level 3 (A level)
52
21.58%
No qualifications
45
18.67%
Level 2 (GCSEs 9-4)
42
17.43%
Level 1 (GCSEs 3-1)
32
13.28%
Total 16+ residents: 241

Housing

Housing tenure

Owns with a mortgage
35
26.52%
Private landlord or letting agency
33
25%
Owns outright
31
23.48%
Other social rented
25
18.94%
Social rents from council
4
3.03%
Total households: 132

Schools

In the DA15 9NJ postcode area, located within Blackfen, there are 10 primary and 4 secondary schools in close proximity.

Nearby primary and secondary schools for DA15 9NJ
DistancePhaseNameTypeRating
0.1 miSecondaryBlackfen School for GirlsAcademy converter

Good

0.2 miPrimarySherwood Park Primary SchoolAcademy converter

Good

0.5 miSecondaryBexley Grammar SchoolAcademy converter

Outstanding

Local amenities

4 nearby supermarkets & convenience stores within mi of DA15 9NJ

Nearby supermarkets & convenience stores for DA15 9NJ
DistanceNameAddressDirections
0.2 miCo-op FoodWestwood Lane, Blackfen, DA15 9PSWalking directions to Co-op Food
0.2 miTesco Express10-11 Blackfen Parade, Blackfen, DA15 9LUWalking directions to Tesco Express
0.3 miLittle WaitroseBexley, DA15 9NTWalking directions to Little Waitrose
0.4 miThe Co-operative Food51 The Oval, Kent, DA15 9ERWalking directions to The Co-operative Food