Property profile

Flat 228 Blackfen Road

DA15 9NB

Blackfen & Lamorbey

Area profile →

Map showing Flat 2, 28 Blackfen Road, Sidcup

Property Price
150k200k250k300k400k500k750k1.5M

Estimated sale price

£315,000

Flats sold in Blackfen & Lamorbey

The box shows the middle 50% of flats 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

Price per sq ftLocal median £504 per sq ft
£407 per sq ftEstimate vs local median: −£97 per sq ft (−19%)
Local sold pricesMedian for flats in Blackfen & Lamorbey
£311,350Estimate vs local median: +£4,000 (+1.4%)
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 typeFlat / Semi-Detached
Floor area72 m² / 775 sq ft
Floor level1
EPC ratingA
EPC inspection14 Oct 2025

Sales history

No recorded sales for this property in HM Land Registry data.

Local market

Property prices in Blackfen & Lamorbey

Median price£479,000
Price per sq ft£540
Sales (last 12 months)168
Typical range (middle 50%)£410K – £556K

Based on 168 recent sales, the median property price is £479,000 (about £540 per square foot) in Blackfen & Lamorbey area, with individual transactions ranging from £212,000 up to £1,200,000.

Prices by property typelast 12 months

Median sale price, median price per square foot, sales count, and percentile information for each property type in Blackfen & Lamorbey over the last year.
TypeSalesMedian£/sq ft
Detached11£782,000£549
Semi-Detached68£535,000£547
Terraced64£467,250£539
Flats25£311,350£504

10-year price trendmedian sale price in Blackfen & Lamorbey

Sale price

Ten year median sale price trend for each property type in Blackfen & Lamorbey.
YearDetachedFlatsSemi-DetachedTerraced
2016£607,500£235,000£425,000£350,000
2017£600,000£248,000£435,000£365,000
2018£592,500£260,000£422,250£370,000
2019£682,500£267,000£465,000£364,000
2020£658,000£274,000£482,500£371,000
2021£642,500£275,000£505,000£390,000
2022£650,000£375,000£550,000£436,250
2023£755,000£270,000£510,000£446,500
2024£672,500£339,000£500,000£429,000
2025£703,500£312,500£537,000£431,250
2026£711,000£266,000£554,000£458,000
Ten year median sale price trend for each property type in Blackfen & Lamorbey.

Price per sq ft

Ten year median sale price per square foot trend for each property type in Blackfen & Lamorbey.
YearDetachedFlatsSemi-DetachedTerraced
2016£485£436£424£439
2017£563£418£439£456
2018£409£462£449£471
2019£441£486£442£454
2020£453£465£456£468
2021£527£456£479£492
2022£539£522£526£558
2023£545£492£538£544
2024£469£575£510£554
2025£549£503£541£547
2026£515£555£540£575
Ten year median sale price per square foot trend for each property type in Blackfen & Lamorbey.

Price distribution by property typelast 12 months

Price distribution by property type for Blackfen & Lamorbey in the last year.

Recent sales

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

Recent sold properties in the last 18 months near DA15 9NB
DateAddressTypeTenurePriceMap
19 Dec 202516, Gwillim Close, Sidcup, DA15 9NQFlatsLeasehold£215,000
18 Jul 2025296, Blackfen Road, Sidcup, DA15 9NATerracedFreehold£365,000
28 Mar 202510, Wellington Avenue, Sidcup, DA15 9HGSemi-DetachedFreehold£499,500
24 Apr 202630, Maple Crescent, Sidcup, DA15 9LTTerracedFreehold£400,000
02 Apr 202617, Maple Crescent, Sidcup, DA15 9LTTerracedFreehold£360,000

Other properties at this postcode

Area insights for DA15 9NB

Full area profile →

Overview

Postcode DA15 9NB is located in a major urban area, within the Blackfen & Lamorbey ward of Bexley in the London region, and forms part of the Blackfen area. It has low deprivation and low crime levels, with around 44 crimes per 1,000 residents per year, about 66% 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 miles away. There are 11 primary and 4 secondary schools in the area.

Crime rate
3/10
Crimes per 1k residents
44
Deprivation level
3/10
Income level
6/10
Social housing
0%
Connectivity
4/10
Flood Risk
No risk
Noise Level
High

Deprivation level

3/10

Blackfen has a low level of deprivation, ranked at position 24,850 out of 32,844 areas in the United Kingdom, placing it within the bottom 24% least deprived areas in England.

Crime level

3/10

Blackfen has a low crime rate, with approximately 44 reported incidents per 1,000 population each year.

Social housing

0%

Approximately 0.0% 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 0 ft away from DA15 9NB.

Flood risk

No risk

Blackfen near DA15 9NB 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 miles away. There are 1 stations nearby.

Nearby public transport stations for DA15 9NB
DistanceZoneNameLinesDirections
1 mi

4

Welling

Southeastern

Walking directions to Welling

Parks

No parks nearby

Area Profile

Population
311
Population density
6,645.3 per km²

Crime

Crime per 1,000 population

Violence and sexual offences
20.38(-34%)
Anti-social behaviour
10.52(-61%)
Shoplifting
7.23(-28%)
Vehicle crime
5.92(-37%)
Burglary
5.26(-4%)
London average

Demographics

Ethnic groups

British
195
62.1%
Other White
30
9.55%
Bangladeshi
18
5.73%
Indian
16
5.1%
African
15
4.78%
Total population: 314

Economics

Education (age 16+)

No qualifications
58
22.92%
Level 4+ (Degree)
58
22.92%
Level 3 (A level)
47
18.58%
Level 2 (GCSEs 9-4)
42
16.6%
Level 1 (GCSEs 3-1)
29
11.46%
Total 16+ residents: 253

Housing

Housing tenure

Private landlord or letting agency
46
37.1%
Owns with a mortgage
39
31.45%
Owns outright
36
29.03%
Other forms of private rent
2
1.61%
Shared ownership
1
0.81%
Total households: 124

Schools

In the DA15 9NB postcode area, located within Blackfen, there are 11 primary and 4 secondary schools in close proximity.

Nearby primary and secondary schools for DA15 9NB
DistancePhaseNameTypeRating
0.3 miSecondaryBlackfen School for GirlsAcademy converter

Good

0.4 miPrimarySherwood Park Primary SchoolAcademy converter

Good

0.4 miSecondaryBexley Grammar SchoolAcademy converter

Outstanding

Local amenities

3 nearby supermarkets & convenience stores within mi of DA15 9NB

Nearby supermarkets & convenience stores for DA15 9NB
DistanceNameAddressDirections
0 miCo-op FoodWestwood Lane, Blackfen, DA15 9PSWalking directions to Co-op Food
0 miTesco Express10-11 Blackfen Parade, Blackfen, DA15 9LUWalking directions to Tesco Express
0.4 miThe Co-operative Food51 The Oval, Kent, DA15 9ERWalking directions to The Co-operative Food