According to data from HM Land Registry, 18, Cowper Avenue, Sutton sits on a plot of 112 m².

We have plot size data on 29 out of 30 other houses in the postcode and 18, Cowper Avenue, Sutton sits on the 29th largest plot.

18, Cowper Avenue, Sutton has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 18 May 2017.

The property is not connected to mains gas and has high performance glazing. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 18, Cowper Avenue, Sutton was last sold on 18th March 2019 for £415,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since March 2019, the market for similar properties has risen by 25.6%.

• Sold Mar 2019£415,000

According to the Land Registry and our network of Estate Agents, there have been 212 sales of properties similar to 18, Cowper Avenue, Sutton within a radius of 440 metres since 2018.

The most recent example is 17, Harold Road, Sutton, SM1 4HZ, a freehold house which sold for £465,000 on the 17th October 2025.

Read more about house prices in SM1.

• Sold Oct 2025£465,000 | 3 Bed House17, Harold Road, Sutton, SM1 4HZ17, Harold Road, Sutton, SM1 4HZ
• Sold Aug 2025£525,000 | 3 Bed House40, Florian Avenue, Sutton, SM1 3QH40, Florian Avenue, Sutton, SM1 3QH
• Sold Aug 2024£410,000 | 3 Bed House8, Harold Road, Sutton, SM1 4HZ8, Harold Road, Sutton, SM1 4HZ
• Sold Mar 2024£398,500 | 3 Bed House5, Munslow Gardens, Sutton, SM1 3RN5, Munslow Gardens, Sutton, SM1 3RN
• Sold Mar 2024£460,000 | 3 Bed House7, Cowper Avenue, Sutton, SM1 3RD7, Cowper Avenue, Sutton, SM1 3RD
• Sold Feb 2024£435,000 | 3 Bed House22A, Harold Road, Sutton, SM1 4HZ22A, Harold Road, Sutton, SM1 4HZ
• Sold Nov 2023£460,274 | 3 Bed House25, Cowper Avenue, Sutton, SM1 3RD25, Cowper Avenue, Sutton, SM1 3RD
• Sold Jul 2023£470,000 | 3 Bed House11, Cowper Avenue, Sutton, SM1 3RD11, Cowper Avenue, Sutton, SM1 3RD
• Sold Apr 2023£446,000 | 3 Bed House1A, Florian Avenue, Sutton, SM1 3QH1A, Florian Avenue, Sutton, SM1 3QH
• Sold Jan 2023£562,000 | 3 Bed House15, Munslow Gardens, Sutton, SM1 3RN15, Munslow Gardens, Sutton, SM1 3RN
• Sold Oct 2022£458,000 | 3 Bed House1A, Benhill Road, Sutton, SM1 3RP1A, Benhill Road, Sutton, SM1 3RP
• Sold May 2022£455,000 | 3 Bed House5, Florian Avenue, Sutton, SM1 3QH5, Florian Avenue, Sutton, SM1 3QH
• Sold Apr 2022£455,000 | 3 Bed House27, Cowper Avenue, Sutton, SM1 3RD27, Cowper Avenue, Sutton, SM1 3RD
• Sold Sep 2021£505,000 | 3 Bed House3, Orchard Way, Sutton, SM1 3QQ3, Orchard Way, Sutton, SM1 3QQ
• Sold Jun 2021£409,000 | 3 Bed House53, Byron Avenue East, Sutton, SM1 3RB53, Byron Avenue East, Sutton, SM1 3RB
• Sold May 2021£455,000 | 3 Bed House1A, Byron Gardens, Sutton, SM1 3QG1A, Byron Gardens, Sutton, SM1 3QG
• Sold Dec 2020£480,000 | 3 Bed House99A, Benhill Road, Sutton, SM1 3RR99A, Benhill Road, Sutton, SM1 3RR
• Sold Oct 2020£385,000 | 3 Bed House18, Harold Road, Sutton, SM1 4HZ18, Harold Road, Sutton, SM1 4HZ
• Sold Aug 2018£397,500 | 3 Bed House15, Cowper Avenue, Sutton, SM1 3RD15, Cowper Avenue, Sutton, SM1 3RD
• Sold Jul 2018£400,000 | 3 Bed House29, Cowper Avenue, Sutton, SM1 3RD29, Cowper Avenue, Sutton, SM1 3RD

Cowper Avenue, Sutton, SM1 has a total of 30 addresses. According to our analysis of all the public data, 18, Cowper Avenue, Sutton is the 23rd largest and the 17th most expensive property on the street.

When compared to the postcode district it is £36k more expensive than the average property in SM1.

• Manor Park Primary Academy

  700 m away
• St Mary's RC Infants School

  800 m away
• Rushy Meadow Primary Academy

  900 m away

• St Philomena's Catholic High School for Girls

  700 m away
• Carshalton High School for Girls

  700 m away
• Sutton Grammar School

  800 m away

• Carshalton

  |

  900 m away
• Sutton (London)

  |

  1.2 km away
• Carshalton Beeches

  |

  1.2 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.