Flat 6, 423 Blackfen Road, Sidcup, DA15 9NN is a leasehold flat built between 1983-1990. The property offers approximately 398 square feet of living space and is situated on the 1st floor. In this location, apartments of similar size usually have one bedroom.

The estimated current market value of the property is £230,000 , which equates to approximately £577 per square foot. It was last sold on 25 Apr 2025 for £230,000. Since then, the value has not changed.

The current estimated value of £230,000 is:

  • 48.1% lower than the average property price on Blackfen Road
  • 46.0% lower than the average in the DA15 9NN postcode area
  • and 54.2% lower than the average price for Sidcup as a whole

This property has had 2 EPC inspections with recorded tenure information. It was recorded as owner-occupied both times. This suggests the property has typically been lived in by its owners, which often reflects longer-term residency and more consistent maintenance.

At the most recent EPC inspection on 19 January 2022, the property was recorded as owner-occupied.

View sold house prices in DA15 9NN

Building approximate location

About Property

Type
Flat
Built
1983-1990
Interior Size
398 sq ft
Tenure
Leasehold
Floor level
1st floor
Price (estimate)
£230,000
Price Per sq ft (estimate)
£577
Bedroom Count (estimate)
1 bedroom

EPC Summary

Flat 6, 423 Blackfen Road, Sidcup, Bexley, Greater London, DA15 9NN has an Energy Performance Certificate (EPC) rating of C, based on the latest assessment carried out on 19 Jan 2022.

This property uses electric storage heaters as its main heating source. Hot water is provided from off-peak electric immersion heater. The windows are fully double glazed.

The previous EPC assessment was conducted on 9 Oct 2009, when the property was rated D. Since then, the rating has improved to C, with the energy efficiency score increasing by 10.3%.

Since the previous assessment, several changes were observed:

  • The main heating energy efficiency improving from poor to average, while the heating system type remained the same (electric storage heaters).
  • The hot water energy efficiency improving from very poor to average, while the system remained as electric immersion, off-peak.
  • The lighting was updated from no low energy lighting to low energy lighting in all fixed outlets, with efficiency improving from very poor to very good.
Heating Type
Electric storage heaters
Average
Hot Water
Electric immersion, off-peak
Average
Walls
Cavity wall, as built, insulated (assumed)
Good
Windows
Fully double glazed
Average
Lighting
Low energy lighting in all fixed outlets
Very Good

Compared to DA15 9NN

17 th / 20
Price Rank
46% lower than average
13 th / 16
Size Rank
53% smaller than average
6 th / 16
Price Per Sq FT Rank
15% higher than average

Compared to other properties in DA15 9NN , this flat's estimated value ranks 17th out of 20. Based on price per square foot, it ranks 6th out of 16 properties. In terms of size, this home ranks 13th out of 16 properties in its postcode area.

Sale History

Today
£230,000
streetscan.co.uk estimate
0 %
25 Apr 2025
£230,000
Leasehold
+49.4 %
26 May 2015
£154,000
Leasehold
+128.1 %
20 Dec 2000
£67,500
Leasehold
+46.7 %
9 Feb 1998
£46,000
Leasehold
+5.1 %
30 Nov 1995
£43,750
Leasehold

Area Insights

Similar Properties Sold Nearby

rooms: 2
size: 388 sq ft
sale price: £222,500
sale date: 16 Sep 2022
rooms: 2
size: 388 sq ft
sale price: £230,000
sale date: 22 Apr 2022
rooms: 2
size: 388 sq ft
sale price: £225,000
sale date: 21 Apr 2022
rooms: 2
size: 452 sq ft
sale price: £52,000
sale date: 30 Jul 1999
rooms: 2
size: 452 sq ft
sale price: £145,000
sale date: 2 Aug 2021

Data Sources

The property at Flat 6, 423 Blackfen Road, Sidcup, DA15 9NN appears five times in the Land Registry records, with the latest transaction recorded on 25 Apr 2025. It also has two Energy Performance Certificates (EPC) entries, the earliest dating back to 19 Jan 2022. We use this data, to estimate the property's characteristics and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0.
This website is not affiliated with or endorsed by HM Land Registry or DLUHC.


Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure the information provided on this website is current and accurate; however, no warranties or representations are made as to its completeness or accuracy. StreetScan.co.uk expressly disclaims any and all liability for any loss, damage, or expense arising directly or indirectly from the use of, or reliance upon, such information.