Apartment 8, 9 Blackthorn Avenue, London, N7 8AH is a leasehold flat built between 2007-2011. The property offers approximately 926 square feet of living space. In this location, apartments of similar size usually have three bedrooms.

The estimated current market value of the property is £792,241 , which equates to approximately £856 per square foot. It was last sold on 16 Apr 2010 for £470,000. Since then, the value has increased by £322,241, representing a 68.6% increase, or approximately 4.4% per year.

The current estimated value of £792,241 is:

  • 4.9% higher than the average property price on Blackthorn Avenue
  • 13.6% higher than the average in the N7 8AH postcode area
  • and 5.2% lower than the average price for London as a whole

At the most recent EPC inspection on 11 April 2025, the property was recorded as owner-occupied.

View sold house prices in N7 8AH

Building approximate location

About Property

Type
Flat
Built
2007-2011
Interior Size
926 sq ft
Tenure
Leasehold
Price (estimate)
£792,241
Price Per sq ft (estimate)
£856
Bedroom Count (estimate)
3 bedrooms

EPC Summary

Apartment 8, 9 Blackthorn Avenue, London, Islington, Greater London, N7 8AH has an Energy Performance Certificate (EPC) rating of B, based on the latest assessment carried out on 11 Apr 2025.

This property uses electric underfloor heating as its main heating source. A community heating scheme is used to provide hot water. The windows are fully double glazed.

The previous EPC assessment was conducted on 16 Jul 2009, when the property was rated C. Since then, the rating has improved to B, with the energy efficiency score increasing by 13.7%.

Since the previous assessment, several changes were observed:

  • The hot water system was changed from electric instantaneous at point of use to community scheme, with its energy efficiency improving from very poor to good.
  • The roof construction or insulation changed from average thermal transmittance 0.24 w/m?k to (another dwelling above), changing energy efficiency from good to n/a.
  • The wall construction or insulation changed from average thermal transmittance 0.25 w/m?k to system built, as built, insulated (assumed), changing energy efficiency from very good to good.
  • The lighting was updated from low energy lighting in 60% fixed outlets to no low energy lighting, with efficiency changing from good to very poor.
Heating Type
Electric underfloor heating
Very Poor
Hot Water
Community scheme
Good
Walls
System built, as built, insulated (assumed)
Good
Windows
Fully double glazed
Good
Lighting
No low energy lighting
Very Poor

Compared to N7 8AH

12 th / 25
Price Rank
14% higher than average
3 rd / 24
Size Rank
49% bigger than average
23 rd / 24
Price Per Sq FT Rank
24% lower than average

Compared to other properties in N7 8AH , this flat's estimated value ranks 12th out of 25. Based on price per square foot, it ranks 23th out of 24 properties. This indicates a lower price per square foot than most, suggesting good value for the space offered. In terms of size, this home ranks 3rd out of 24 properties in its postcode area.

Sale History

Today
£792,241
streetscan.co.uk estimate
+69 %
16 Apr 2010
£470,000
Leasehold

Area Insights

Similar Properties Sold Nearby

Apartment 3, 9 Blackthorn Avenue, London, N7 8AH
rooms: 3
size: 904 sq ft
sale price: £870,000
sale date: 16 Jun 2023
Apartment 13, 9 Blackthorn Avenue, London, N7 8AH
rooms: 3
size: 818 sq ft
sale price: £815,000
sale date: 7 May 2021
Apartment 11, 9 Blackthorn Avenue, London, N7 8AH
rooms: 4
size: 861 sq ft
sale price: £830,000
sale date: 31 Jul 2015
Apartment 5, 9 Blackthorn Avenue, London, N7 8AH
rooms: 3
size: 980 sq ft
sale price: £472,500
sale date: 12 Jul 2010
Apartment 15, 9 Blackthorn Avenue, London, N7 8AH
rooms: 3
size: 883 sq ft
sale price: £510,000
sale date: 27 May 2010

Data Sources

The property at Apartment 8, 9 Blackthorn Avenue, London, Islington, Greater London, N7 8AH appears once in the Land Registry records, with the transaction recorded on 16 Apr 2010. It also has two Energy Performance Certificates (EPC) entries, the earliest dating back to 11 Apr 2025. 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.
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