Property profile

21 Boundary Road

DA15 8SS

Blackfen & Lamorbey

Area profile →

Map showing 21 Boundary Road, Sidcup

Property Price
150k200k250k300k400k500k750k1.5M

Estimated sale price

£450,000

Semi-Detached sold in Blackfen & Lamorbey

The box shows the middle 50% of semi-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

Price per sq ftLocal median £547 per sq ft
£484 per sq ftEstimate vs local median: −£63 per sq ft (−12%)
Local sold pricesMedian for semi-detached in Blackfen & Lamorbey
£535,000Estimate vs local median: −£87,000 (−16%)
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 / Semi-Detached
Construction period1900-1929
Floor area86 m² / 926 sq ft
Rooms5 habitable / 5 heated
EPC ratingD
EPC inspection23 Jan 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 8SS.

Recent sold properties in the last 18 months near DA15 8SS
DateAddressTypeTenurePriceMap
19 Dec 202513, Boundary Road, Sidcup, DA15 8SSSemi-DetachedFreehold£375,000
19 Sept 202527, Rennets Close, London, SE9 2NQDetachedFreehold£630,000
11 Aug 202515, Rennets Close, London, SE9 2NQDetachedFreehold£665,000
25 Mar 202552, Boundary Road, Sidcup, DA15 8STSemi-DetachedFreehold£515,000
21 Nov 202595, Orchard Rise West, Sidcup, DA15 8TATerracedFreehold£430,000

Other properties at this postcode

AddressTenureFloor areaLast sale
5, Boundary Road, SidcupFreehold103 m²£325,000 (2013)
7, Boundary Road, SidcupFreehold80 m²£280,000 (2013)
13 Boundary Road, SidcupFreehold122 m²£375,000 (2025)
19, Boundary Road, SidcupFreehold89 m²£422,500 (2018)
23, Boundary Road, Sidcup-134 m²-
25, Boundary Road, Sidcup-127 m²-
29, Boundary Road, SidcupFreehold84 m²£299,995 (2014)
31, Boundary Road, SidcupFreehold83 m²£400,000 (2018)
33 Boundary Road, SidcupFreehold122 m²£200,000 (2004)
37, Boundary Road, SidcupFreehold85 m²£390,000 (2018)

Area insights for DA15 8SS

Full area profile →

Overview

Postcode DA15 8SS is located in a major urban area, within the Blackfen & Lamorbey ward of Bexley in the London region, and forms part of the Falconwood area. It has very low deprivation and very low crime levels, with around 32.8 crimes per 1,000 residents per year, about 75% below the London average of 130 per 1,000. The average income per household in Falconwood is £80,225 per year. The nearest station is Falconwood, about 0.5 miles away. There are 7 primary and 3 secondary schools in the area. There are 2 parks nearby, the closest medium park is Parish Wood.

Crime rate
2/10
Crimes per 1k residents
33
Deprivation level
2/10
Income level
7/10
Social housing
3.1%
Connectivity
2/10
Flood Risk
No risk
Noise Level
No noise

Deprivation level

2/10

Falconwood has a very low level of deprivation, ranked at position 27,048 out of 32,844 areas in the United Kingdom, placing it within the bottom 18% least deprived areas in England.

Crime level

2/10

Falconwood has a very low crime rate, with approximately 32.8 reported incidents per 1,000 population each year.

Social housing

3.1%

Approximately 3.1% of homes on this street are social housing provided by a local council or housing association. Across the surrounding area, around 2.3% of dwellings are socially rented.

Income level

7/10

The average income per household in Falconwood is £80,225 per year.

Noise Level

No noise

No significant noise sources from railways or roads near DA15 8SS.

Flood risk

No risk

Falconwood near DA15 8SS has no flood risk (less than 0.1% chance of a flood each year) from rivers and sea.

Transport

2/10

The nearest station is Falconwood located about 0.5 miles away. There are 1 stations nearby.

Nearby public transport stations for DA15 8SS
DistanceZoneNameLinesDirections
0.5 mi

4

Falconwood

Southeastern

Walking directions to Falconwood

Parks

Nearby parks and green spaces for DA15 8SS
DistanceNameSizeDirections
0.4 miParish WoodMediumWalking directions to Parish Wood
0.4 miThe GreenSmallWalking directions to The Green

Area Profile

Population
312
Population density
6,745.7 per km²

Crime

Crime per 1,000 population

Violence and sexual offences
11.99(-61%)
Public order
4.42(-35%)
Anti-social behaviour
3.79(-86%)
Vehicle crime
3.79(-60%)
Other theft
3.16(-72%)
London average

Demographics

Ethnic groups

British
250
79.62%
African
16
5.1%
Other White
10
3.18%
Caribbean
7
2.23%
Irish
7
2.23%
Total population: 314

Economics

Education (age 16+)

Level 4+ (Degree)
59
23.98%
No qualifications
50
20.33%
Level 3 (A level)
42
17.07%
Level 2 (GCSEs 9-4)
39
15.85%
Level 1 (GCSEs 3-1)
30
12.2%
Total 16+ residents: 246

Housing

Housing tenure

Owns outright
57
44.88%
Owns with a mortgage
54
42.52%
Private landlord or letting agency
10
7.87%
Other social rented
3
2.36%
Shared ownership
1
0.79%
Total households: 127

Schools

In the DA15 8SS postcode area, located within Falconwood, there are 7 primary and 3 secondary schools in close proximity.

Nearby primary and secondary schools for DA15 8SS
DistancePhaseNameTypeRating
0.3 miSecondaryHarris Academy FalconwoodAcademy sponsor led

Good

0.4 miPrimaryOur Lady of the Rosary Catholic Primary SchoolVoluntary aided school

Good

0.4 miPrimaryAlderwood Primary SchoolAcademy converter

Good

Local amenities

4 nearby supermarkets & convenience stores within mi of DA15 8SS

Nearby supermarkets & convenience stores for DA15 8SS
DistanceNameAddressDirections
0.1 miNiro Express15 Blackfen Road, Sidcup, DA15 8QDWalking directions to Niro Express
0.3 miNisa Local152-154 Bexley Road, London, SE9 2PHWalking directions to Nisa Local
0.3 miM&S Simply Food21 Crown Woods Way, Eltham, London, SE9 2NLWalking directions to M&S Simply Food
0.4 miThe Co-operative Food21,23 Falconwood Parade, Kent, DA16 2PQWalking directions to The Co-operative Food