Property profile

340Old Farm Avenue

DA15 8AS

Blackfen & Lamorbey

Area profile →

Map showing 340, Old Farm Avenue, Sidcup

Property Price
150k200k250k300k400k500k750k1.5M

Estimated sale price

£510,000

Terraced sold in Blackfen & Lamorbey

The box shows the middle 50% of terraced 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 sold25 Mar 2026
£500,000Change since last sale: +£8,000 (+1.5%)
Annualised change
+3.3% per yearBexley annualised change (terraced) since 2026: −2.0% per yearThis property outperformed the market
Price per sq ftLocal median £541 per sq ft
£561 per sq ftEstimate vs local median: +£21 per sq ft (+3.8%)
Local sold pricesMedian for terraced in Blackfen & Lamorbey
£467,250Estimate vs local median: +£40,000 (+8.6%)
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 / Mid-Terrace
TenureFreehold
Construction period1900-1929
Floor area84 m² / 904 sq ft
Rooms5 habitable / 5 heated
EPC ratingD
EPC inspection30 Jul 2020

Sales history

DatePriceChange
25 Mar 2026£500,000+16%
30 Mar 2021£430,000+4%
20 Oct 2017£412,500+122%
19 Feb 2010£186,000-

Local market

Property prices in Blackfen & Lamorbey

Median price£482,500
Price per sq ft£538
Sales (last 12 months)166
Typical range (middle 50%)£410K – £559K

Based on 166 recent sales, the median property price is £482,500 (about £538 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-Detached67£535,000£540
Terraced64£467,250£541
Flats24£311,925£503

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£504£539£546
2026£515£532£528£572
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 8AS.

Recent sold properties in the last 18 months near DA15 8AS
DateAddressTypeTenurePriceMap
25 Mar 2026340, Old Farm Avenue, Sidcup, DA15 8ASTerracedFreehold£500,000
31 Jul 20251, Oakley Drive, London, SE9 2HQSemi-DetachedFreehold£407,500
20 Mar 202614, Sidewood Road, London, SE9 2HASemi-DetachedFreehold£310,000
02 Feb 202616, Sidewood Road, London, SE9 2HASemi-DetachedFreehold£620,000
01 Sept 202518, Sidewood Road, London, SE9 2HASemi-DetachedFreehold£550,000

Other properties at this postcode

AddressTenureFloor areaLast sale
322, Old Farm Avenue, SidcupFreehold72 m²£265,000 (2012)
324, Old Farm Avenue, SidcupFreehold109 m²£505,000 (2021)
326 Old Farm Avenue, Sidcup-88 m²-
328, Old Farm Avenue, SidcupFreehold83 m²£440,000 (2018)
332, Old Farm Avenue, SidcupFreehold86 m²£200,000 (2009)
336 Old Farm Avenue, Sidcup-128 m²-
336A Old Farm Avenue, Sidcup-133 m²-
338, Old Farm Avenue, SidcupFreehold89 m²£440,000 (2021)
342 Old Farm Avenue, SidcupFreehold96 m²£430,000 (2020)
346, Old Farm Avenue, SidcupFreehold135 m²£375,000 (2012)

Area insights for DA15 8AS

Full area profile →

Overview

Postcode DA15 8AS is located in a major urban area, within the Blackfen & Lamorbey ward of Bexley in the London region, and forms part of the Longlands & Halfway area. It has low deprivation and very low crime levels, with around 21.6 crimes per 1,000 residents per year, about 83% below the London average of 130 per 1,000. The average income per household in Longlands & Halfway is £85,705 per year. The nearest station is New Eltham, about 0.5 miles away. There are 8 primary and 1 secondary schools in the area. There is 1 park nearby, the closest medium park is Old Farm Park.

Crime rate
1/10
Crimes per 1k residents
22
Deprivation level
4/10
Income level
8/10
Social housing
0.8%
Connectivity
4/10
Flood Risk
No risk
Noise Level
No noise

Deprivation level

4/10

Longlands & Halfway has a low level of deprivation, ranked at position 20,993 out of 32,844 areas in the United Kingdom, placing it within the bottom 36% least deprived areas in England.

Crime level

1/10

Longlands & Halfway has a very low crime rate, with approximately 21.6 reported incidents per 1,000 population each year.

Social housing

0.8%

Approximately 0.8% of homes on this street are social housing provided by a local council or housing association. Across the surrounding area, around 5.4% of dwellings are socially rented.

Income level

8/10

The average income per household in Longlands & Halfway is £85,705 per year.

Noise Level

No noise

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

Flood risk

No risk

Longlands & Halfway near DA15 8AS 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 New Eltham located about 0.5 miles away. There are 1 stations nearby.

Nearby public transport stations for DA15 8AS
DistanceZoneNameLinesDirections
0.5 mi

4

New Eltham

Southeastern

Walking directions to New Eltham

Parks

Nearby parks and green spaces for DA15 8AS
DistanceNameSizeDirections
0.4 miOld Farm ParkMediumWalking directions to Old Farm Park

Area Profile

Population
327
Population density
5,265.7 per km²

Crime

Crime per 1,000 population

Violence and sexual offences
9.88(-68%)
Anti-social behaviour
6.18(-77%)
Criminal damage and arson
3.71(-35%)
Vehicle crime
3.09(-67%)
Burglary
1.24(-77%)
London average

Demographics

Ethnic groups

British
262
80.37%
Other White
19
5.83%
Other
10
3.07%
African
7
2.15%
Irish
6
1.84%
Total population: 326

Economics

Education (age 16+)

Level 4+ (Degree)
83
33.2%
Level 3 (A level)
49
19.6%
No qualifications
39
15.6%
Level 2 (GCSEs 9-4)
28
11.2%
Level 1 (GCSEs 3-1)
25
10%
Total 16+ residents: 250

Housing

Housing tenure

Owns with a mortgage
61
48.41%
Owns outright
47
37.3%
Private landlord or letting agency
14
11.11%
Shared ownership
2
1.59%
Other social rented
1
0.79%
Total households: 126

Schools

In the DA15 8AS postcode area, located within Longlands & Halfway, there are 8 primary and 1 secondary schools in close proximity.

Nearby primary and secondary schools for DA15 8AS
DistancePhaseNameTypeRating
0.2 miPrimaryDulverton Primary SchoolCommunity school

Good

0.5 miPrimaryWyborne Primary SchoolCommunity school

Good

0.6 miPrimaryAlderwood Primary SchoolAcademy converter

Good

Local amenities

8 nearby supermarkets & convenience stores within mi of DA15 8AS

Nearby supermarkets & convenience stores for DA15 8AS
DistanceNameAddressDirections
0.2 mi8 till Late73 Avery Hill Road, New Eltham, London, SE9 2BJWalking directions to 8 till Late
0.2 miA&A Avery Hill Convenience Store42 Avery Hill Road, New Eltham, London, SE9 2BJWalking directions to A&A Avery Hill Convenience Store
0.3 miCo-op Food188A Halfway Street, Sidcup, DA15 8DJWalking directions to Co-op Food
0.3 miMorrisons Daily170 Halfway Street, Sidcup, DA15 8DLWalking directions to Morrisons Daily
0.4 miLabam's404 Footscray Road, New Eltham, London, SE9 3TUWalking directions to Labam's