23 Gwendolen Avenue, London, SW15 6ET is a freehold detached property built between 1900-1929. The property offers approximately 5,748 square feet of living space. In this location, properties of similar size usually have six bedrooms.

The estimated current market value of the property is £7,445,128 , which equates to approximately £1,295 per square foot. It was last sold on 13 Feb 2025 for £7,320,000. Since then, the value has increased by £125,128, representing a 1.7% increase, or approximately 2.1% per year.

The current estimated value of £7,445,128 is:

  • 381.5% higher than the average property price on Gwendolen Avenue
  • 122.8% higher than the average in the SW15 6ET postcode area
  • and 750.6% higher than the average price for London 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 30 October 2024, the property was recorded as owner-occupied.

View sold house prices in SW15 6ET

Building approximate location

About Property

Type
Detached House
Built
1900-1929
Interior Size
5748 sq ft
Tenure
Freehold
Price (estimate)
£7,445,128
Price Per sq ft (estimate)
£1,295
Bedroom Count (estimate)
6 bedrooms

EPC Summary

23 Gwendolen Avenue, London, Wandsworth, Greater London, SW15 6ET has an Energy Performance Certificate (EPC) rating of D, based on the latest assessment carried out on 30 Oct 2024.

This property uses a gas boiler with radiators as its main heating source. It is connected to mains gas. Hot water is provided from main heating system. The windows are mostly double glazed.

The previous EPC assessment was conducted on 2 Jul 2014, when the property was rated E. Since then, the rating has improved to D, with the energy efficiency score increasing by 24.1%.

Since the previous assessment, several changes were observed:

  • The heating system changed from boiler and radiators, mains gas to boiler and radiators, mains gas, boiler and underfloor heating, mains gas, with no change in energy efficiency (good).
  • The roof construction or insulation changed from pitched, 25 mm loft insulation to flat, insulated (assumed), improving energy efficiency from poor to good.
  • The wall energy efficiency improving from very poor to poor, with the construction or insulation remaining solid brick, as built, no insulation (assumed).
  • The windows were upgraded from full secondary glazing to mostly double glazing.
  • The lighting was changed from low energy lighting in 75% of fixed outlets to low energy lighting in all fixed outlets, with no change in efficiency (very good).
Heating Type
Boiler and radiators, mains gas, Boiler and underfloor heating, mains gas
Good
Hot Water
From main system
Good
Roof
Flat, insulated (assumed)
Good
Walls
Solid brick, as built, no insulation (assumed)
Poor
Windows
Mostly double glazing
Good
Lighting
Low energy lighting in all fixed outlets
Very Good

Compared to SW15 6ET

3 rd / 14
Price Rank
123% higher than average
1 st / 11
Size Rank
94% bigger than average
3 rd / 11
Price Per Sq FT Rank
15% higher than average

Compared to other properties in SW15 6ET , this house's estimated value ranks 3rd out of 14. Based on price per square foot, it ranks 3rd out of 11 properties. This suggests a relatively high price per square foot, which may reflect quality, location, or recent upgrades. In terms of size, this home ranks 1st out of 11 properties in its postcode area.

Sale History

Today
£7,445,128
streetscan.co.uk estimate
+2 %
13 Feb 2025
£7,320,000
Leasehold
+107.1 %
1 Apr 2015
£3,535,000
Leasehold

Area Insights

Nearby Properties

rooms: 2
size: 385 sq ft
sale price: £205,000
sale date: 23 Sep 2005
rooms: 2
size: 635 sq ft
sale price: £350,000
sale date: 8 Sep 2006
rooms: 3
size: 753 sq ft
sale price: £101,500
sale date: 23 Feb 1996
rooms: 11
size: 3448 sq ft
sale price: £4,400,000
sale date: 31 Mar 2008
rooms: 13
size: 3821 sq ft
sale price: £4,700,000
sale date: 20 Dec 2021

Data Sources

The property at 23 Gwendolen Avenue, London, SW15 6ET appears two times in the Land Registry records, with the latest transaction recorded on 13 Feb 2025. It also has two Energy Performance Certificates (EPC) entries, the earliest dating back to 30 Oct 2024. 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.