20 Cowper Avenue, Sutton, SM1 3RD is a freehold semi-detached property built in 2012 onwards. The property offers approximately 947 square feet of living space. In this location, properties of similar size usually have three bedrooms.

The estimated current market value of the property is £609,610 , which equates to approximately £644 per square foot. It was last sold on 16 Sep 2015 for £449,950. Since then, the value has increased by £159,660, representing a 35.5% increase, or approximately 3.5% per year.

The current estimated value of £609,610 is:

  • 30.3% higher than the average property price on Cowper Avenue
  • 21.2% higher than the average in the SM1 3RD postcode area
  • and 28.3% higher than the average price for Sutton as a whole

This property has had 2 EPC inspections with recorded tenure information. It was recorded once as rented and once as owner-occupied, indicating a change in how it was used over time.

At the most recent EPC inspection on 27 May 2025, the property was recorded as rented.

View sold house prices in SM1 3RD

Building approximate location

About Property

Type
Semi-Detached House
Built
2012 onwards
Interior Size
947 sq ft
Tenure
Freehold
Price (estimate)
£609,610
Price Per sq ft (estimate)
£644
Bedroom Count (estimate)
3 bedrooms

EPC Summary

20 Cowper Avenue, Sutton, Greater London, SM1 3RD has an Energy Performance Certificate (EPC) rating of C, based on the latest assessment carried out on 27 May 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.

The previous EPC assessment was conducted on 15 May 2015, when the property was rated B. The current rating of C reflects a decline in energy efficiency of 14.3%.

Since the previous assessment, several changes were observed:

  • The roof construction or insulation changed from average thermal transmittance 0.15 w/m-¦k to pitched, insulated (assumed), changing energy efficiency from very good to good.
  • The wall construction or insulation changed from average thermal transmittance 0.24 w/m-¦k to cavity wall, as built, insulated (assumed), with no change in energy efficiency (very good).
  • The windows were upgraded from high performance glazing to fully double glazed.
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system
Good
Roof
Pitched, insulated (assumed)
Good
Walls
Cavity wall, as built, insulated (assumed)
Very Good
Windows
Fully double glazed
Good
Lighting
Low energy lighting in all fixed outlets
Very Good

Compared to SM1 3RD

4 th / 28
Price Rank
21% higher than average
6 th / 25
Size Rank
8% bigger than average
6 th / 25
Price Per Sq FT Rank
12% higher than average

Compared to other properties in SM1 3RD , this house's estimated value ranks 4th out of 28. Based on price per square foot, it ranks 6th out of 25 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 6th out of 25 properties in its postcode area.

Sale History

Today
£609,610
streetscan.co.uk estimate
+35 %
16 Sep 2015
£449,950
Leasehold

Area Insights

Nearby Properties

rooms: 5
size: 897 sq ft
sale price: £237,000
sale date: 16 Jul 2012
rooms:
size: 786 sq ft
sale price: £415,000
sale date: 18 Mar 2019
rooms:
size: 947 sq ft
sale price: £449,950
sale date: 16 Sep 2015
rooms: 4
size: 710 sq ft
sale price: £385,000
sale date: 16 Nov 2016
rooms: 4
size: 841 sq ft
sale price: £63,000
sale date: 31 Jul 1996

Data Sources

The property at 20 Cowper Avenue, Sutton, Greater London, SM1 3RD appears once in the Land Registry records, with the transaction recorded on 16 Sep 2015. It also has two Energy Performance Certificates (EPC) entries, the earliest dating back to 27 May 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.