17 Sefton Avenue, London, NW7 3QB is a freehold semi-detached property built between 1930-1949. The property offers approximately 1,345 square feet of living space. In this location, properties of similar size usually have four bedrooms.

The estimated current market value of the property is £780,183 , which equates to approximately £580 per square foot. It was last sold on 1 Aug 2002 for £289,950. Since then, the value has increased by £490,233, representing a 169.1% increase, or approximately 7.2% per year.

The current estimated value of £780,183 is:

  • 10.2% higher than the average property price on Sefton Avenue
  • 7.3% lower than the average in the NW7 3QB postcode area
  • and 10.9% lower than the average price for London as a whole

At the most recent EPC inspection on 14 April 2025, the property was recorded as owner-occupied.

View sold house prices in NW7 3QB

Building approximate location

About Property

Type
Semi-Detached House
Built
1930-1949
Interior Size
1345 sq ft
Tenure
Freehold
Price (estimate)
£780,183
Price Per sq ft (estimate)
£580
Bedroom Count (estimate)
4 bedrooms

EPC Summary

17 Sefton Avenue, London, Barnet, Greater London, NW7 3QB has an Energy Performance Certificate (EPC) rating of D, based on the latest assessment carried out on 14 Apr 2025.

This property uses a gas-fired boiler and radiators, connected to the mains gas supply, as its main heating source. Hot water is provided from main heating system. The windows are fully double glazed.

Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system
Good
Roof
Pitched, 150 mm loft insulation
Good
Walls
Solid brick, as built, no insulation (assumed)
Very Poor
Windows
Fully double glazed
Good
Lighting
Low energy lighting in 38% of fixed outlets
Average

Compared to NW7 3QB

8 th / 11
Price Rank
7% lower than average
4 th / 7
Size Rank
5% bigger than average
7 th / 7
Price Per Sq FT Rank
12% lower than average

Compared to other properties in NW7 3QB , this house's estimated value ranks 8th out of 11. Based on price per square foot, it ranks 7th out of 7 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 4th out of 7 properties in its postcode area.

Sale History

Today
£780,183
streetscan.co.uk estimate
+169 %
1 Aug 2002
£289,950
Leasehold
+27.5 %
9 May 2002
£227,500
Leasehold

Area Insights

Similar Properties Sold Nearby

23 Sefton Avenue, London, NW7 3QB
rooms: 5
size: 1389 sq ft
sale price: £650,000
sale date: 15 Apr 2014
15 Sefton Avenue, London, NW7 3QB
rooms: 5
size: 1173 sq ft
sale price: £507,500
sale date: 8 Mar 2013
45 Sefton Avenue, London, NW7 3QE
rooms: 5
size: 1163 sq ft
sale price: £750,000
sale date: 24 Sep 2021
48 Sefton Avenue, London, NW7 3QD
rooms: 6
size: 1421 sq ft
sale price: £760,000
sale date: 14 Jun 2021
22 Sefton Avenue, London, NW7 3QD
rooms: 6
size: 1249 sq ft
sale price: £726,000
sale date: 25 Sep 2020

Data Sources

The property at 17 Sefton Avenue, London, NW7 3QB appears two times in the Land Registry records, with the latest transaction recorded on 1 Aug 2002. It also has a single Energy Performance Certificate (EPC) from 14 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.
↑